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Palantir Technologies Inc. (PLTR) Insider Transactions

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PLTR · Palantir Technologies Inc.

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Stale snapshot · Covered: filings 2026-05-14 to 2026-11-13 · 37 filings · fetched 2026-11-13T19:38:21Z

Recent reported activity

0purchase rows on this page
17sale rows on this page
135matching filing rows

Purchases and sales count original non-derivative P and S rows. Awards, gifts, exercises, derivatives and amendments are shown separately and are not described as market purchases.

Transaction / filedReporting owner(s)Code / securityQuantityPrice as filedOwnershipSource
2026-09-15Filed 2026-09-17Moore Alexander D.Director
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 The Reporting Person sold shares of Class A Common Stock in the open market pursuant to a Rule 10b5-1 trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on December 11, 2025.

F2 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $169.7171 to $170.69. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (8) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $170.72 to $171.69. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (8) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $171.7232 to $172.71. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (8) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.73 to $173.72. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (8) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.75 to $174.56. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (8) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.78 to $175.75. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (8) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.8288 to $176.3850. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (8) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F1, F2

S Sale (market/private)Class A Common Stock · Non-derivative1,308D170.2616DirectForm 4 ↗0001823952-26-000022
2026-09-01Filed 2026-09-03Stat Lauren Elaina FriedmanDirector
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 The Reporting Person sold shares of Class A Common Stock in the open market pursuant to a Rule 10b5-1 trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on February 11, 2026.

F2 These shares are held of record by the Reporting Person's spouse's child's 2025 gift trust, of which the Reporting Person serves as trustee.

This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F1

S Sale (market/private)Class A Common Stock · Non-derivative1,342D182.5DirectForm 4 ↗0001840244-26-000016
2026-08-21Filed 2026-08-24Buckley JeffreyOfficer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction represents an automatic sale of shares to cover required tax withholding obligations in connection with the vesting of restricted stock units. All sales were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 The Reporting Person sold shares of Class A Common Stock in the open market pursuant to a Rule 10b5-1 trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026.

Officer title: Chief Accounting Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person.

References: F7

S Sale (market/private)Class A Common Stock · Non-derivative1,250D174.29DirectForm 4 ↗0001705189-26-000015
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F2, F8

C Other reported codeClass B Common Stock · Derivative90,000D0DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F2, F1

C Other reported codeClass B Common Stock · Derivative402,348D0DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F2, F1

M Exercise / conversionClass B Common Stock · Derivative97,500A0DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F16, F1, F15, F2

M Exercise / conversionRestricted Stock Units · Derivative97,500D0DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F2, F1

M Exercise / conversionClass B Common Stock · Derivative877,500A0DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F14, F1, F15, F2

M Exercise / conversionRestricted Stock Units · Derivative877,500D0DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F8, F13

S Sale (market/private)Class A Common Stock · Non-derivative500D176.302DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F8, F12

S Sale (market/private)Class A Common Stock · Non-derivative11,200D175.4821DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F8, F11

S Sale (market/private)Class A Common Stock · Non-derivative62,498D174.7299DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F8, F10

S Sale (market/private)Class A Common Stock · Non-derivative11,602D173.845DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F8, F9

S Sale (market/private)Class A Common Stock · Non-derivative4,200D172.6597DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F8, F2

C Other reported codeClass A Common Stock · Non-derivative90,000A—DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F1, F7

S Sale (market/private)Class A Common Stock · Non-derivative1,304D176.3133DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F1, F6

S Sale (market/private)Class A Common Stock · Non-derivative63,629D175.4185DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F1, F5

S Sale (market/private)Class A Common Stock · Non-derivative306,544D174.8455DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F1, F4

S Sale (market/private)Class A Common Stock · Non-derivative19,493D173.7864DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F1, F3

S Sale (market/private)Class A Common Stock · Non-derivative11,378D172.6542DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Karp Alexander C.Director · Officer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction is part of a related series of transactions. The Reporting Person acquired rights to 975,000 shares of Class B Common Stock upon incremental vesting of previously granted restricted stock units ("RSUs") on August 20, 2026, converted 402,348 shares of the Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock on August 20, 2026. All sales were automatic sales of shares to cover required tax withholding obligations in connection with the vesting event on August 20, 2026 and were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (3) through (7) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F8 This transaction is part of a related series of transactions undertaken on August 20, 2026 pursuant to a preexisting Rule 10b5-1 trading plan, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026. The Reporting Person converted 90,000 shares of Class B Common Stock to Class A Common Stock and immediately sold the resulting shares of Class A Common Stock in the open market.

F9 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.09. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F10 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F11 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F12 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.18. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F13 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.26 to $176.33. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (9) through (13) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F14 These securities are RSUs granted pursuant to the Issuer's Amended 2010 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

F15 The shares acquired from the incremental vesting of RSUs (as described above) were fully vested as of the transaction date.

F16 These securities are RSUs granted pursuant to the Issuer's 2020 Executive Equity Incentive Plan. Each RSU represents a contingent right to receive one share of the Issuer's Class B Common Stock.

Officer title: Chief Executive Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. For additional details regarding the Reporting Person's overall stock and equity holdings, please see the Issuer's Proxy Statement filed with the Securities and Exchange Commission on April 24, 2026, including under the heading "Security Ownership Of Certain Beneficial Owners And Management" (subject to the definitions, explanations, and time periods described therein).

References: F1, F2

C Other reported codeClass A Common Stock · Non-derivative402,348A—DirectForm 4 ↗0001823951-26-000009
2026-08-20Filed 2026-08-24Buckley JeffreyOfficer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction represents an automatic sale of shares to cover required tax withholding obligations in connection with the vesting of restricted stock units. All sales were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 The Reporting Person sold shares of Class A Common Stock in the open market pursuant to a Rule 10b5-1 trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026.

Officer title: Chief Accounting Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person.

References: F1, F6

S Sale (market/private)Class A Common Stock · Non-derivative7D176.3133DirectForm 4 ↗0001705189-26-000015
2026-08-20Filed 2026-08-24Buckley JeffreyOfficer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction represents an automatic sale of shares to cover required tax withholding obligations in connection with the vesting of restricted stock units. All sales were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 The Reporting Person sold shares of Class A Common Stock in the open market pursuant to a Rule 10b5-1 trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026.

Officer title: Chief Accounting Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person.

References: F1, F5

S Sale (market/private)Class A Common Stock · Non-derivative325D175.4185DirectForm 4 ↗0001705189-26-000015
2026-08-20Filed 2026-08-24Buckley JeffreyOfficer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction represents an automatic sale of shares to cover required tax withholding obligations in connection with the vesting of restricted stock units. All sales were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 The Reporting Person sold shares of Class A Common Stock in the open market pursuant to a Rule 10b5-1 trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026.

Officer title: Chief Accounting Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person.

References: F1, F4

S Sale (market/private)Class A Common Stock · Non-derivative1,565D174.8455DirectForm 4 ↗0001705189-26-000015
2026-08-20Filed 2026-08-24Buckley JeffreyOfficer · See Remarks
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This transaction represents an automatic sale of shares to cover required tax withholding obligations in connection with the vesting of restricted stock units. All sales were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.

F2 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F3 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F4 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F5 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F6 This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

F7 The Reporting Person sold shares of Class A Common Stock in the open market pursuant to a Rule 10b5-1 trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026.

Officer title: Chief Accounting Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person.

References: F1, F3

S Sale (market/private)Class A Common Stock · Non-derivative100D173.7864DirectForm 4 ↗0001705189-26-000015

Imported instruments only. Joint owners do not multiply transactions. Amendments are separate filing rows, not additional trades. No aggregate trade totals are implied.