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QUEST DIAGNOSTICS INC (DGX) Insider Transactions

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DGX · QUEST DIAGNOSTICS INC

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OR within codes/roles; AND between categories. Roles apply to buyers and sellers. Owner predicates match the same owner. Missing values fail numeric/date filters. Value is quantity × reported price for non-derivative rows only; derivative values are unknown. Amendments stay separate; joint owners do not duplicate rows.

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Stale snapshot · Covered: filings 2026-05-14 to 2026-11-13 · 39 filings · fetched 2026-11-13T17:19:48Z

Recent reported activity

0purchase rows on this page
11sale rows on this page
63matching 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
2026-11-09Filed 2026-11-12Plewman PatrickOfficer · SVP for Diagnostic Services
Filing context

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

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 The sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F1, F3

M Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative6,793D127.805DirectForm 4 ↗0001022079-26-000125
2026-11-09Filed 2026-11-12Plewman PatrickOfficer · SVP for Diagnostic Services
Filing context

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

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 The sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F1, F3

M Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative4,274D127.725DirectForm 4 ↗0001022079-26-000125
2026-11-09Filed 2026-11-12Plewman PatrickOfficer · SVP for Diagnostic Services
Filing context

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

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 The sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F2

S Sale (market/private)Common Stock · Non-derivative650D257.34DirectForm 4 ↗0001022079-26-000125
2026-11-09Filed 2026-11-12Plewman PatrickOfficer · SVP for Diagnostic Services
Filing context

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

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 The sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F1

S Sale (market/private)Common Stock · Non-derivative6,793D257.34DirectForm 4 ↗0001022079-26-000125
2026-11-09Filed 2026-11-12Plewman PatrickOfficer · SVP for Diagnostic Services
Filing context

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

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 The sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F1

M Exercise / conversionCommon Stock · Non-derivative6,793A127.805DirectForm 4 ↗0001022079-26-000125
2026-11-09Filed 2026-11-12Plewman PatrickOfficer · SVP for Diagnostic Services
Filing context

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

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 The sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F1

S Sale (market/private)Common Stock · Non-derivative4,274D257.34DirectForm 4 ↗0001022079-26-000125
2026-11-09Filed 2026-11-12Plewman PatrickOfficer · SVP for Diagnostic Services
Filing context

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

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 The sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F1

M Exercise / conversionCommon Stock · Non-derivative4,274A127.725DirectForm 4 ↗0001022079-26-000125
2026-11-03Filed 2026-11-05DELANEY MARK EOfficer · SVP & Chief Commercial Officer
Filing context

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

F1 Represents an award of restricted stock units.

References: F1

A Award / grantCommon Stock · Non-derivative2,615A0DirectForm 4 ↗0001022079-26-000121
2026-11-03Filed 2026-11-05Doherty Catherine T.Officer · Executive Vice President
Filing context

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

F1 Represents an award of restricted stock units.

F2 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 This transaction was executed in multiple trades at prices ranging from $244.840 to $245.8353. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $245.845 to $246.810. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 This transaction was executed in multiple trades at prices ranging from $246.850 to $247.240. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 This transaction was executed in multiple trades at prices ranging from $247.930 to $248.7825. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 This transaction was executed in multiple trades at prices ranging from $249.005 to $250.0008. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 This transaction was executed in multiple trades at prices ranging from $250.005 to $251.0036. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F9 This transaction was executed in multiple trades at prices ranging from $251.005 to $251.700. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F10 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F11 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024.

References: F2, F11

M Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative22,105D121.805DirectForm 4 ↗0001022079-26-000122
2026-11-03Filed 2026-11-05Doherty Catherine T.Officer · Executive Vice President
Filing context

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

F1 Represents an award of restricted stock units.

F2 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 This transaction was executed in multiple trades at prices ranging from $244.840 to $245.8353. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $245.845 to $246.810. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 This transaction was executed in multiple trades at prices ranging from $246.850 to $247.240. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 This transaction was executed in multiple trades at prices ranging from $247.930 to $248.7825. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 This transaction was executed in multiple trades at prices ranging from $249.005 to $250.0008. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 This transaction was executed in multiple trades at prices ranging from $250.005 to $251.0036. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F9 This transaction was executed in multiple trades at prices ranging from $251.005 to $251.700. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F10 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F11 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024.

References: F2, F9

S Sale (market/private)Common Stock · Non-derivative2,907D251.2386DirectForm 4 ↗0001022079-26-000122
2026-11-03Filed 2026-11-05Doherty Catherine T.Officer · Executive Vice President
Filing context

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

F1 Represents an award of restricted stock units.

F2 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 This transaction was executed in multiple trades at prices ranging from $244.840 to $245.8353. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $245.845 to $246.810. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 This transaction was executed in multiple trades at prices ranging from $246.850 to $247.240. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 This transaction was executed in multiple trades at prices ranging from $247.930 to $248.7825. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 This transaction was executed in multiple trades at prices ranging from $249.005 to $250.0008. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 This transaction was executed in multiple trades at prices ranging from $250.005 to $251.0036. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F9 This transaction was executed in multiple trades at prices ranging from $251.005 to $251.700. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F10 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F11 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024.

References: F2, F8

S Sale (market/private)Common Stock · Non-derivative2,877D250.4882DirectForm 4 ↗0001022079-26-000122
2026-11-03Filed 2026-11-05Doherty Catherine T.Officer · Executive Vice President
Filing context

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

F1 Represents an award of restricted stock units.

F2 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 This transaction was executed in multiple trades at prices ranging from $244.840 to $245.8353. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $245.845 to $246.810. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 This transaction was executed in multiple trades at prices ranging from $246.850 to $247.240. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 This transaction was executed in multiple trades at prices ranging from $247.930 to $248.7825. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 This transaction was executed in multiple trades at prices ranging from $249.005 to $250.0008. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 This transaction was executed in multiple trades at prices ranging from $250.005 to $251.0036. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F9 This transaction was executed in multiple trades at prices ranging from $251.005 to $251.700. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F10 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F11 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024.

References: F2, F7

S Sale (market/private)Common Stock · Non-derivative3,004D249.4035DirectForm 4 ↗0001022079-26-000122
2026-11-03Filed 2026-11-05Doherty Catherine T.Officer · Executive Vice President
Filing context

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

F1 Represents an award of restricted stock units.

F2 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 This transaction was executed in multiple trades at prices ranging from $244.840 to $245.8353. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $245.845 to $246.810. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 This transaction was executed in multiple trades at prices ranging from $246.850 to $247.240. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 This transaction was executed in multiple trades at prices ranging from $247.930 to $248.7825. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 This transaction was executed in multiple trades at prices ranging from $249.005 to $250.0008. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 This transaction was executed in multiple trades at prices ranging from $250.005 to $251.0036. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F9 This transaction was executed in multiple trades at prices ranging from $251.005 to $251.700. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F10 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F11 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024.

References: F2, F6

S Sale (market/private)Common Stock · Non-derivative2,358D248.3838DirectForm 4 ↗0001022079-26-000122
2026-11-03Filed 2026-11-05Doherty Catherine T.Officer · Executive Vice President
Filing context

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

F1 Represents an award of restricted stock units.

F2 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 This transaction was executed in multiple trades at prices ranging from $244.840 to $245.8353. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $245.845 to $246.810. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 This transaction was executed in multiple trades at prices ranging from $246.850 to $247.240. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 This transaction was executed in multiple trades at prices ranging from $247.930 to $248.7825. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 This transaction was executed in multiple trades at prices ranging from $249.005 to $250.0008. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 This transaction was executed in multiple trades at prices ranging from $250.005 to $251.0036. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F9 This transaction was executed in multiple trades at prices ranging from $251.005 to $251.700. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F10 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F11 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024.

References: F2, F5

S Sale (market/private)Common Stock · Non-derivative1,151D246.9835DirectForm 4 ↗0001022079-26-000122
2026-11-03Filed 2026-11-05Doherty Catherine T.Officer · Executive Vice President
Filing context

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

F1 Represents an award of restricted stock units.

F2 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 This transaction was executed in multiple trades at prices ranging from $244.840 to $245.8353. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $245.845 to $246.810. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 This transaction was executed in multiple trades at prices ranging from $246.850 to $247.240. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 This transaction was executed in multiple trades at prices ranging from $247.930 to $248.7825. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 This transaction was executed in multiple trades at prices ranging from $249.005 to $250.0008. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 This transaction was executed in multiple trades at prices ranging from $250.005 to $251.0036. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F9 This transaction was executed in multiple trades at prices ranging from $251.005 to $251.700. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F10 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F11 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024.

References: F2, F4

S Sale (market/private)Common Stock · Non-derivative5,990D246.2649DirectForm 4 ↗0001022079-26-000122
2026-11-03Filed 2026-11-05Doherty Catherine T.Officer · Executive Vice President
Filing context

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

F1 Represents an award of restricted stock units.

F2 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 This transaction was executed in multiple trades at prices ranging from $244.840 to $245.8353. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $245.845 to $246.810. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 This transaction was executed in multiple trades at prices ranging from $246.850 to $247.240. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 This transaction was executed in multiple trades at prices ranging from $247.930 to $248.7825. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 This transaction was executed in multiple trades at prices ranging from $249.005 to $250.0008. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 This transaction was executed in multiple trades at prices ranging from $250.005 to $251.0036. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F9 This transaction was executed in multiple trades at prices ranging from $251.005 to $251.700. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F10 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F11 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024.

References: F2, F3

S Sale (market/private)Common Stock · Non-derivative3,818D245.4519DirectForm 4 ↗0001022079-26-000122
2026-11-03Filed 2026-11-05Doherty Catherine T.Officer · Executive Vice President
Filing context

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

F1 Represents an award of restricted stock units.

F2 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 This transaction was executed in multiple trades at prices ranging from $244.840 to $245.8353. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $245.845 to $246.810. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 This transaction was executed in multiple trades at prices ranging from $246.850 to $247.240. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 This transaction was executed in multiple trades at prices ranging from $247.930 to $248.7825. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 This transaction was executed in multiple trades at prices ranging from $249.005 to $250.0008. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 This transaction was executed in multiple trades at prices ranging from $250.005 to $251.0036. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F9 This transaction was executed in multiple trades at prices ranging from $251.005 to $251.700. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F10 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F11 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024.

References: F2

M Exercise / conversionCommon Stock · Non-derivative22,105A121.805DirectForm 4 ↗0001022079-26-000122
2026-11-03Filed 2026-11-05Doherty Catherine T.Officer · Executive Vice President
Filing context

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

F1 Represents an award of restricted stock units.

F2 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 This transaction was executed in multiple trades at prices ranging from $244.840 to $245.8353. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $245.845 to $246.810. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 This transaction was executed in multiple trades at prices ranging from $246.850 to $247.240. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 This transaction was executed in multiple trades at prices ranging from $247.930 to $248.7825. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 This transaction was executed in multiple trades at prices ranging from $249.005 to $250.0008. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 This transaction was executed in multiple trades at prices ranging from $250.005 to $251.0036. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F9 This transaction was executed in multiple trades at prices ranging from $251.005 to $251.700. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F10 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F11 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024.

References: F1

A Award / grantCommon Stock · Non-derivative4,827A0DirectForm 4 ↗0001022079-26-000122
2026-11-03Filed 2026-11-05Ramachandran SubuOfficer · SVP, Regional Businesses
Filing context

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

F1 Represents an award of restricted share units.

F2 The options vest in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F2

A Award / grantNon-Qualifed Stock Option (right to buy) · Derivative1,386A0DirectForm 4 ↗0001022079-26-000123
2026-11-03Filed 2026-11-05Ramachandran SubuOfficer · SVP, Regional Businesses
Filing context

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

F1 Represents an award of restricted share units.

F2 The options vest in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F1

A Award / grantCommon Stock · Non-derivative352A0DirectForm 4 ↗0001022079-26-000123
2026-10-26Filed 2026-10-28PFEIFFER GARY MDirector
Filing context

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

F1 This sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

References: F1

S Sale (market/private)Common Stock · Non-derivative1,203D243DirectForm 4 ↗0001022079-26-000118
2026-10-21Filed 2026-10-23DELANEY MARK EOfficer · SVP & Chief Commercial Officer
Filing context

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

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1

L Other reported codeCommon Stock · Non-derivative25A235.941DirectForm 4 ↗0001022079-26-000109
2026-10-21Filed 2026-10-23MAIN TIMOTHY LDirector
Filing context

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

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1

L Other reported codeCommon Stock · Non-derivative18A235.937DirectForm 4 ↗0001022079-26-000110
2026-10-21Filed 2026-10-23Plewman PatrickOfficer · SVP for Diagnostic Services
Filing context

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

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1

L Other reported codeCommon Stock · Non-derivative41A235.94DirectForm 4 ↗0001022079-26-000111
2026-10-21Filed 2026-10-23Lassiter Wright IIIDirector
Filing context

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

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1

L Other reported codeCommon Stock · Non-derivative6A235.959DirectForm 4 ↗0001022079-26-000112

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