Arista Networks, Inc. (ANET) Insider Transactions

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

F1 Represents 85,875 shares from the Ken Duda Annuity Trust to the Children's Trust.

F2 These shares are held in multiple trusts 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.

F3 Represents 85,875 shares from the Jennifer Duda Annuity Trust to the Children's Trust.

F4 Represents 51,160 shares from the Jennifer Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.

F5 Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

F6 Represents 42,937 shares from the Jennifer Duda Annuity Trust to the Childrens Trust.

F7 Represents 42,938 shares from the Jennifer Duda Annuity Trust to the Childrens Trust.

F8 Represents 51,160 shares from the Kenneth Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.

F9 Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

F10 Represents 42,938 shares from the Kenneth Duda Annuity Trust to the Childrens Trust.

F11 Represents 42,937 shares from the Kenneth Duda Annuity Trust to the Childrens Trust.

F12 Represents an aggregate of 102,320 shares transferred by the GRAT of the reporting person (51,160) and the GRAT of the reporting person's spouse (51,160) to the Family Trust.

F13 These shares are held by a family trust for which the reporting person is co-trustee.

F14 These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

References: F7, F5

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

F1 Represents 85,875 shares from the Ken Duda Annuity Trust to the Children's Trust.

F2 These shares are held in multiple trusts 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.

F3 Represents 85,875 shares from the Jennifer Duda Annuity Trust to the Children's Trust.

F4 Represents 51,160 shares from the Jennifer Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.

F5 Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

F6 Represents 42,937 shares from the Jennifer Duda Annuity Trust to the Childrens Trust.

F7 Represents 42,938 shares from the Jennifer Duda Annuity Trust to the Childrens Trust.

F8 Represents 51,160 shares from the Kenneth Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.

F9 Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

F10 Represents 42,938 shares from the Kenneth Duda Annuity Trust to the Childrens Trust.

F11 Represents 42,937 shares from the Kenneth Duda Annuity Trust to the Childrens Trust.

F12 Represents an aggregate of 102,320 shares transferred by the GRAT of the reporting person (51,160) and the GRAT of the reporting person's spouse (51,160) to the Family Trust.

F13 These shares are held by a family trust for which the reporting person is co-trustee.

F14 These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

References: F6, F5

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

F1 Represents 85,875 shares from the Ken Duda Annuity Trust to the Children's Trust.

F2 These shares are held in multiple trusts 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.

F3 Represents 85,875 shares from the Jennifer Duda Annuity Trust to the Children's Trust.

F4 Represents 51,160 shares from the Jennifer Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.

F5 Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

F6 Represents 42,937 shares from the Jennifer Duda Annuity Trust to the Childrens Trust.

F7 Represents 42,938 shares from the Jennifer Duda Annuity Trust to the Childrens Trust.

F8 Represents 51,160 shares from the Kenneth Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.

F9 Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

F10 Represents 42,938 shares from the Kenneth Duda Annuity Trust to the Childrens Trust.

F11 Represents 42,937 shares from the Kenneth Duda Annuity Trust to the Childrens Trust.

F12 Represents an aggregate of 102,320 shares transferred by the GRAT of the reporting person (51,160) and the GRAT of the reporting person's spouse (51,160) to the Family Trust.

F13 These shares are held by a family trust for which the reporting person is co-trustee.

F14 These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

References: F4, F5

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

F1 Represents 85,875 shares from the Ken Duda Annuity Trust to the Children's Trust.

F2 These shares are held in multiple trusts 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.

F3 Represents 85,875 shares from the Jennifer Duda Annuity Trust to the Children's Trust.

F4 Represents 51,160 shares from the Jennifer Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.

F5 Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

F6 Represents 42,937 shares from the Jennifer Duda Annuity Trust to the Childrens Trust.

F7 Represents 42,938 shares from the Jennifer Duda Annuity Trust to the Childrens Trust.

F8 Represents 51,160 shares from the Kenneth Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.

F9 Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

F10 Represents 42,938 shares from the Kenneth Duda Annuity Trust to the Childrens Trust.

F11 Represents 42,937 shares from the Kenneth Duda Annuity Trust to the Childrens Trust.

F12 Represents an aggregate of 102,320 shares transferred by the GRAT of the reporting person (51,160) and the GRAT of the reporting person's spouse (51,160) to the Family Trust.

F13 These shares are held by a family trust for which the reporting person is co-trustee.

F14 These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

References: F3, F2

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

F1 Represents 85,875 shares from the Ken Duda Annuity Trust to the Children's Trust.

F2 These shares are held in multiple trusts 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.

F3 Represents 85,875 shares from the Jennifer Duda Annuity Trust to the Children's Trust.

F4 Represents 51,160 shares from the Jennifer Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.

F5 Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

F6 Represents 42,937 shares from the Jennifer Duda Annuity Trust to the Childrens Trust.

F7 Represents 42,938 shares from the Jennifer Duda Annuity Trust to the Childrens Trust.

F8 Represents 51,160 shares from the Kenneth Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.

F9 Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

F10 Represents 42,938 shares from the Kenneth Duda Annuity Trust to the Childrens Trust.

F11 Represents 42,937 shares from the Kenneth Duda Annuity Trust to the Childrens Trust.

F12 Represents an aggregate of 102,320 shares transferred by the GRAT of the reporting person (51,160) and the GRAT of the reporting person's spouse (51,160) to the Family Trust.

F13 These shares are held by a family trust for which the reporting person is co-trustee.

F14 These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

References: F1, F2

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 February 20, 2026.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.25 to $200.24, 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 by a family trust for which the reporting person is a trustee.

F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.25 to $201.245, 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 $201.25 to $202.245, 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 $202.25 to $203.2475, 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 $203.25 to $204.24, 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.25 to $205.24, 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.

F9 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.25 to $205.53, 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.

References: F1, F9, F3

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 February 20, 2026.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.25 to $200.24, 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 by a family trust for which the reporting person is a trustee.

F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.25 to $201.245, 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 $201.25 to $202.245, 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 $202.25 to $203.2475, 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 $203.25 to $204.24, 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.25 to $205.24, 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.

F9 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.25 to $205.53, 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.

References: F1, F8, F3

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 February 20, 2026.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.25 to $200.24, 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 by a family trust for which the reporting person is a trustee.

F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.25 to $201.245, 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 $201.25 to $202.245, 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 $202.25 to $203.2475, 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 $203.25 to $204.24, 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.25 to $205.24, 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.

F9 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.25 to $205.53, 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.

References: F1, F7, F3

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 February 20, 2026.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.25 to $200.24, 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 by a family trust for which the reporting person is a trustee.

F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.25 to $201.245, 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 $201.25 to $202.245, 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 $202.25 to $203.2475, 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 $203.25 to $204.24, 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.25 to $205.24, 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.

F9 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.25 to $205.53, 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.

References: F1, F6, F3

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 February 20, 2026.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.25 to $200.24, 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 by a family trust for which the reporting person is a trustee.

F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.25 to $201.245, 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 $201.25 to $202.245, 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 $202.25 to $203.2475, 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 $203.25 to $204.24, 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.25 to $205.24, 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.

F9 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.25 to $205.53, 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.

References: F1, F5, F3

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 February 20, 2026.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.25 to $200.24, 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 by a family trust for which the reporting person is a trustee.

F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.25 to $201.245, 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 $201.25 to $202.245, 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 $202.25 to $203.2475, 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 $203.25 to $204.24, 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.25 to $205.24, 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.

F9 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.25 to $205.53, 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.

References: F1, F4, F3

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 February 20, 2026.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $199.25 to $200.24, 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 by a family trust for which the reporting person is a trustee.

F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $200.25 to $201.245, 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 $201.25 to $202.245, 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 $202.25 to $203.2475, 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 $203.25 to $204.24, 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.25 to $205.24, 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.

F9 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.25 to $205.53, 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.

References: F1, F2, F3

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

F1 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.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.51 to $191.495, 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 $191.51 to $192.50, 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 $192.52 to $192.85, 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 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.

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.

F7 These shares are held by a family trust for which the reporting person is co-trustee.

References: F1, F4

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

F1 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.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.51 to $191.495, 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 $191.51 to $192.50, 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 $192.52 to $192.85, 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 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.

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.

F7 These shares are held by a family trust for which the reporting person is co-trustee.

References: F1, F3

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

F1 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.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.51 to $191.495, 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 $191.51 to $192.50, 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 $192.52 to $192.85, 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 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.

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.

F7 These shares are held by a family trust for which the reporting person is co-trustee.

References: F1, F2

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 10, 2025.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.12 to $185.11, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.17 to $186.12, 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 $186.32 to $187.31, 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 $187.35 to $188.32, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.45 to $189.24, 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.

References: F1, F6

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 10, 2025.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.12 to $185.11, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.17 to $186.12, 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 $186.32 to $187.31, 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 $187.35 to $188.32, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.45 to $189.24, 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.

References: F1, F5

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 10, 2025.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.12 to $185.11, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.17 to $186.12, 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 $186.32 to $187.31, 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 $187.35 to $188.32, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.45 to $189.24, 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.

References: F1, F4

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 10, 2025.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.12 to $185.11, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.17 to $186.12, 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 $186.32 to $187.31, 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 $187.35 to $188.32, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.45 to $189.24, 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.

References: F1, F3

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 10, 2025.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.12 to $185.11, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.17 to $186.12, 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 $186.32 to $187.31, 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 $187.35 to $188.32, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.45 to $189.24, 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.

References: F1, F2

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

F1 Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.

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 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.

F5 These shares are held by a family trust for which the reporting person is co-trustee.

F6 This performance stock award was granted in the first quarter of 2023 and was earned based on attainment of certain performance conditions. The award vested (25%) on February 20, 2024, and will continue to vest quarterly over 3 years. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

References: F1, F6

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

F1 Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.

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 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.

F5 These shares are held by a family trust for which the reporting person is co-trustee.

F6 This performance stock award was granted in the first quarter of 2023 and was earned based on attainment of certain performance conditions. The award vested (25%) on February 20, 2024, and will continue to vest quarterly over 3 years. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

References: F2

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

F1 Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.

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 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.

F5 These shares are held by a family trust for which the reporting person is co-trustee.

F6 This performance stock award was granted in the first quarter of 2023 and was earned based on attainment of certain performance conditions. The award vested (25%) on February 20, 2024, and will continue to vest quarterly over 3 years. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

References: F1

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

F1 Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.

F3 Twenty five percent (25%) of the restricted stock units awarded will vest on August 20, 2026 and will continue to vest at a rate of six and one-quarter percent (6.25%) each quarter on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20 or November 20 of each year.

F4 This performance stock award was granted in the second quarter of 2025 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026.

References: F1, F4

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

F1 Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F2 Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.

F3 Twenty five percent (25%) of the restricted stock units awarded will vest on August 20, 2026 and will continue to vest at a rate of six and one-quarter percent (6.25%) each quarter on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20 or November 20 of each year.

F4 This performance stock award was granted in the second quarter of 2025 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026.

References: F1, F4