SEC INSIDER TRANSACTIONS

Arista Networks, Inc. (ANET) Insider Transactions

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ANET · Arista Networks, Inc.

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Roles: director,officer,ten_percent_owner,otherOwner nameOfficer titleOwnership: D, I, unknownoriginal or amendedTransaction fromTransaction throughFiled fromFiled throughMinimum quantityMaximum quantityMinimum priceMaximum priceMinimum calculated valueMaximum calculated valueResults per page (1–100)

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 · 78 filings · fetched 2026-11-13T16:38:37Z

Recent reported activity

0purchase rows on this page

24sale rows on this page

577matching 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 / filed	Reporting owner(s)	Code / security	Quantity	Price as filed	Ownership	Source
2026-10-20Filed 2026-10-22	Duda KennethDirector · Officer · President and CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.45 to $178.32, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.45 to $179.38, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.45 to $180.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.46 to $181.45, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.46 to $182.28, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F7 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $182.70 to $183.11, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F8 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026. F9 These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F10 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee. F11 These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. F12 Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts. F13 Reporting person is the trustee of the Kenneth Duda Annuity Trusts. F14 These shares are held by a family trust for which the reporting person is co-trustee. F15 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter. References: F1, F3	S Sale (market/private)Common Stock · Non-derivative	486D	179.0184	Direct	Form 4 ↗0001596532-26-000248
2026-10-20Filed 2026-10-22	Duda KennethDirector · Officer · President and CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.45 to $178.32, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.45 to $179.38, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.45 to $180.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.46 to $181.45, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.46 to $182.28, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F7 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $182.70 to $183.11, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F8 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026. F9 These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F10 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee. F11 These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. F12 Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts. F13 Reporting person is the trustee of the Kenneth Duda Annuity Trusts. F14 These shares are held by a family trust for which the reporting person is co-trustee. F15 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter. References: F1, F2	S Sale (market/private)Common Stock · Non-derivative	649D	177.9108	Direct	Form 4 ↗0001596532-26-000248
2026-10-20Filed 2026-10-22	Duda KennethDirector · Officer · President and CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.45 to $178.32, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.45 to $179.38, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.45 to $180.43, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.46 to $181.45, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.46 to $182.28, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F7 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $182.70 to $183.11, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F8 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026. F9 These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F10 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee. F11 These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. F12 Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts. F13 Reporting person is the trustee of the Kenneth Duda Annuity Trusts. F14 These shares are held by a family trust for which the reporting person is co-trustee. F15 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter. References: F1	M Exercise / conversionCommon Stock · Non-derivative	17,333A	14.1463	Direct	Form 4 ↗0001596532-26-000248
2026-10-09Filed 2026-10-13	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.215, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.35, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F6 These shares are held by a family trust for which the reporting person is co-trustee. F7 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F5, F4, F6	S Sale (market/private)Common Stock · Non-derivative	93,241D	217.0958	Indirectby Trust	Form 4 ↗0001596532-26-000244
2026-10-09Filed 2026-10-13	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.215, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.35, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F6 These shares are held by a family trust for which the reporting person is co-trustee. F7 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F1, F4, F3	S Sale (market/private)Common Stock · Non-derivative	18,656D	217.0958	IndirectBy Trust for Child 2	Form 4 ↗0001596532-26-000244
2026-10-09Filed 2026-10-13	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.215, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.35, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F6 These shares are held by a family trust for which the reporting person is co-trustee. F7 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F1, F4, F3	S Sale (market/private)Common Stock · Non-derivative	18,656D	217.0958	IndirectBy Trust for Child 1	Form 4 ↗0001596532-26-000244
2026-10-08Filed 2026-10-13	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.215, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.35, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F6 These shares are held by a family trust for which the reporting person is co-trustee. F7 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F5, F2, F6	S Sale (market/private)Common Stock · Non-derivative	19,990D	217.0483	Indirectby Trust	Form 4 ↗0001596532-26-000244
2026-10-08Filed 2026-10-13	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.215, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.35, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F6 These shares are held by a family trust for which the reporting person is co-trustee. F7 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F1, F2, F3	S Sale (market/private)Common Stock · Non-derivative	4,000D	217.0483	IndirectBy Trust for Child 2	Form 4 ↗0001596532-26-000244
2026-10-08Filed 2026-10-13	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.215, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.35, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F6 These shares are held by a family trust for which the reporting person is co-trustee. F7 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F1, F2, F3	S Sale (market/private)Common Stock · Non-derivative	4,000D	217.0483	IndirectBy Trust for Child 1	Form 4 ↗0001596532-26-000244
2026-10-07Filed 2026-10-09	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.18, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F5 These shares are held by a family trust for which the reporting person is co-trustee. F6 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F4, F2, F5	S Sale (market/private)Common Stock · Non-derivative	69,272D	217.1408	Indirectby Trust	Form 4 ↗0001596532-26-000242
2026-10-07Filed 2026-10-09	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.18, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F5 These shares are held by a family trust for which the reporting person is co-trustee. F6 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F1, F2, F3	S Sale (market/private)Common Stock · Non-derivative	13,860D	217.1408	IndirectBy Trust for Child 2	Form 4 ↗0001596532-26-000242
2026-10-07Filed 2026-10-09	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.00 to $217.18, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F5 These shares are held by a family trust for which the reporting person is co-trustee. F6 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F1, F2, F3	S Sale (market/private)Common Stock · Non-derivative	13,860D	217.1408	IndirectBy Trust for Child 1	Form 4 ↗0001596532-26-000242
2026-10-06Filed 2026-10-08	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.00 to $211.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.03 to $213.025, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $213.03 to $213.22, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F7 These shares are held by a family trust for which the reporting person is co-trustee. F8 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F6, F5, F7	S Sale (market/private)Common Stock · Non-derivative	3,902D	213.0637	Indirectby Trust	Form 4 ↗0001596532-26-000240
2026-10-06Filed 2026-10-08	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.00 to $211.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.03 to $213.025, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $213.03 to $213.22, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F7 These shares are held by a family trust for which the reporting person is co-trustee. F8 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F6, F4, F7	S Sale (market/private)Common Stock · Non-derivative	259,045D	212.2662	Indirectby Trust	Form 4 ↗0001596532-26-000240
2026-10-06Filed 2026-10-08	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.00 to $211.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.03 to $213.025, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $213.03 to $213.22, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F7 These shares are held by a family trust for which the reporting person is co-trustee. F8 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F6, F2, F7	S Sale (market/private)Common Stock · Non-derivative	65,897D	211.3602	Indirectby Trust	Form 4 ↗0001596532-26-000240
2026-10-06Filed 2026-10-08	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.00 to $211.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.03 to $213.025, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $213.03 to $213.22, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F7 These shares are held by a family trust for which the reporting person is co-trustee. F8 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F1, F5, F3	S Sale (market/private)Common Stock · Non-derivative	781D	213.0637	IndirectBy Trust for Child 2	Form 4 ↗0001596532-26-000240
2026-10-06Filed 2026-10-08	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.00 to $211.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.03 to $213.025, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $213.03 to $213.22, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F7 These shares are held by a family trust for which the reporting person is co-trustee. F8 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F1, F4, F3	S Sale (market/private)Common Stock · Non-derivative	51,805D	212.2662	IndirectBy Trust for Child 2	Form 4 ↗0001596532-26-000240
2026-10-06Filed 2026-10-08	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.00 to $211.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.03 to $213.025, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $213.03 to $213.22, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F7 These shares are held by a family trust for which the reporting person is co-trustee. F8 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F1, F2, F3	S Sale (market/private)Common Stock · Non-derivative	13,179D	211.3602	IndirectBy Trust for Child 2	Form 4 ↗0001596532-26-000240
2026-10-06Filed 2026-10-08	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.00 to $211.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.03 to $213.025, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $213.03 to $213.22, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F7 These shares are held by a family trust for which the reporting person is co-trustee. F8 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F1, F5, F3	S Sale (market/private)Common Stock · Non-derivative	781D	213.0637	IndirectBy Trust for Child 1	Form 4 ↗0001596532-26-000240
2026-10-06Filed 2026-10-08	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.00 to $211.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.03 to $213.025, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $213.03 to $213.22, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F7 These shares are held by a family trust for which the reporting person is co-trustee. F8 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F1, F4, F3	S Sale (market/private)Common Stock · Non-derivative	51,805D	212.2662	IndirectBy Trust for Child 1	Form 4 ↗0001596532-26-000240
2026-10-06Filed 2026-10-08	Ullal JayshreeDirector · Officer · CEO and Chairperson Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on November 14, 2025. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.00 to $211.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $212.03 to $213.025, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $213.03 to $213.22, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F7 These shares are held by a family trust for which the reporting person is co-trustee. F8 These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. References: F1, F2, F3	S Sale (market/private)Common Stock · Non-derivative	13,179D	211.3602	IndirectBy Trust for Child 1	Form 4 ↗0001596532-26-000240
2026-10-06Filed 2026-10-08	Breithaupt Chantelle YvetteOfficer · Senior Vice President, CFO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on December 11, 2025 and modified on June 2, 2026. References: F1	S Sale (market/private)Common Stock · Non-derivative	1,224D	215	Direct	Form 4 ↗0001596532-26-000239
2026-10-01Filed 2026-10-05	TEMPLETON MARK BDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.18 to $202.10, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.64 to $203.09, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.99 to $204.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.00 to $205.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.02 to $206.04, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F7 These shares are held in a trust for which the reporting person's spouse serves as trustee. References: F1, F6	S Sale (market/private)Common Stock · Non-derivative	200D	206.03	Direct	Form 4 ↗0001596532-26-000236
2026-10-01Filed 2026-10-05	TEMPLETON MARK BDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.18 to $202.10, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.64 to $203.09, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.99 to $204.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.00 to $205.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.02 to $206.04, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F7 These shares are held in a trust for which the reporting person's spouse serves as trustee. References: F1, F5	S Sale (market/private)Common Stock · Non-derivative	1,800D	205.5758	Direct	Form 4 ↗0001596532-26-000236
2026-10-01Filed 2026-10-05	TEMPLETON MARK BDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.18 to $202.10, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.64 to $203.09, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.99 to $204.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.00 to $205.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.02 to $206.04, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F7 These shares are held in a trust for which the reporting person's spouse serves as trustee. References: F1, F4	S Sale (market/private)Common Stock · Non-derivative	1,800D	204.445	Direct	Form 4 ↗0001596532-26-000236

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