Arista Networks, Inc. (ANET) Insider Transactions

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 $163.51 to $164.505, 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 $164.51 to $165.50, 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.

F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.51 to $166.505, 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 $166.51 to $167.505, 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 $167.51 to $168.50, 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.

F8 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $168.51 to $169.165, 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 $163.51 to $164.505, 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 $164.51 to $165.50, 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.

F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.51 to $166.505, 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 $166.51 to $167.505, 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 $167.51 to $168.50, 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.

F8 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $168.51 to $169.165, 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 $163.51 to $164.505, 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 $164.51 to $165.50, 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.

F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.51 to $166.505, 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 $166.51 to $167.505, 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 $167.51 to $168.50, 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.

F8 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $168.51 to $169.165, 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 Represents 44,392 shares from the Jennifer Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.

F2 Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

F3 Represents an aggregate of 44,392 shares contributed from the GRAT of the Reporting Persons spouse.

F4 These shares are held by a family trust for which the reporting person is co-trustee.

F5 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.

F6 These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

F7 Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

References: F3, F4

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

F1 Represents 44,392 shares from the Jennifer Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.

F2 Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

F3 Represents an aggregate of 44,392 shares contributed from the GRAT of the Reporting Persons spouse.

F4 These shares are held by a family trust for which the reporting person is co-trustee.

F5 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.

F6 These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

F7 Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

References: F1, F2

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

F1 Represents 45,875 shares transferred to the Family Trust from the GRAT of the Reporting Person.

F2 Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

F3 Represents 45,875 shares contributed from the GRAT of the Reporting Person.

F4 These shares are held by a family trust for which the reporting person is co-trustee.

F5 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.

F6 These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

F7 Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

References: F3, F4

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

F1 Represents 45,875 shares transferred to the Family Trust from the GRAT of the Reporting Person.

F2 Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

F3 Represents 45,875 shares contributed from the GRAT of the Reporting Person.

F4 These shares are held by a family trust for which the reporting person is co-trustee.

F5 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.

F6 These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

F7 Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

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 $152.29 to $153.285, 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 $153.29 to $154.285, 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 $154.295 to $155.29, 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 $155.295 to $156.28, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.31 to $157.305, 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 $157.31 to $158.30, 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 $158.32 to $159.3159, 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 $159.3635 to $160.335, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.435 to $160.90, 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.

F11 These shares are held by a family trust for which the reporting person is a trustee.

References: F1, F10

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 $152.29 to $153.285, 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 $153.29 to $154.285, 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 $154.295 to $155.29, 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 $155.295 to $156.28, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.31 to $157.305, 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 $157.31 to $158.30, 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 $158.32 to $159.3159, 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 $159.3635 to $160.335, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.435 to $160.90, 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.

F11 These shares are held by a family trust for which the reporting person is a trustee.

References: F1, F9

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 $152.29 to $153.285, 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 $153.29 to $154.285, 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 $154.295 to $155.29, 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 $155.295 to $156.28, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.31 to $157.305, 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 $157.31 to $158.30, 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 $158.32 to $159.3159, 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 $159.3635 to $160.335, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.435 to $160.90, 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.

F11 These shares are held by a family trust for which the reporting person is a trustee.

References: F1, F8

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 $152.29 to $153.285, 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 $153.29 to $154.285, 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 $154.295 to $155.29, 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 $155.295 to $156.28, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.31 to $157.305, 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 $157.31 to $158.30, 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 $158.32 to $159.3159, 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 $159.3635 to $160.335, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.435 to $160.90, 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.

F11 These shares are held by a family trust for which the reporting person is a trustee.

References: F1, F7

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 $152.29 to $153.285, 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 $153.29 to $154.285, 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 $154.295 to $155.29, 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 $155.295 to $156.28, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.31 to $157.305, 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 $157.31 to $158.30, 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 $158.32 to $159.3159, 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 $159.3635 to $160.335, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.435 to $160.90, 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.

F11 These shares are held by a family trust for which the reporting person is a trustee.

References: F1, F6

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 $152.29 to $153.285, 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 $153.29 to $154.285, 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 $154.295 to $155.29, 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 $155.295 to $156.28, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.31 to $157.305, 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 $157.31 to $158.30, 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 $158.32 to $159.3159, 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 $159.3635 to $160.335, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.435 to $160.90, 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.

F11 These shares are held by a family trust for which the reporting person is a trustee.

References: F1, F5

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 $152.29 to $153.285, 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 $153.29 to $154.285, 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 $154.295 to $155.29, 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 $155.295 to $156.28, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.31 to $157.305, 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 $157.31 to $158.30, 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 $158.32 to $159.3159, 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 $159.3635 to $160.335, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.435 to $160.90, 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.

F11 These shares are held by a family trust for which the reporting person is a trustee.

References: F1, F4

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 $152.29 to $153.285, 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 $153.29 to $154.285, 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 $154.295 to $155.29, 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 $155.295 to $156.28, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.31 to $157.305, 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 $157.31 to $158.30, 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 $158.32 to $159.3159, 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 $159.3635 to $160.335, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.435 to $160.90, 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.

F11 These shares are held by a family trust for which the reporting person is a trustee.

References: F1, 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 $152.29 to $153.285, 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 $153.29 to $154.285, 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 $154.295 to $155.29, 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 $155.295 to $156.28, 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.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.31 to $157.305, 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 $157.31 to $158.30, 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 $158.32 to $159.3159, 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 $159.3635 to $160.335, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.435 to $160.90, 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.

F11 These shares are held by a family trust for which the reporting person is a 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 $157.545 to $158.53, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.55 to $159.52, 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 $159.555 to $160.545, 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 $160.57 to $161.555, 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 $161.57 to $162.555, 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 $162.60 to $163.585, 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 $163.60 to $164.595, 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 $164.60 to $165.595, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.60 to $166.485, 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.

F11 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.62 to $167.615, 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.

F12 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.625 to $167.745, 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.

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

F14 1/48th of the shares subject to the option vested and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

F15 1/48th of the shares subject to the option vested and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

References: F1, F15

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 $157.545 to $158.53, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.55 to $159.52, 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 $159.555 to $160.545, 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 $160.57 to $161.555, 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 $161.57 to $162.555, 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 $162.60 to $163.585, 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 $163.60 to $164.595, 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 $164.60 to $165.595, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.60 to $166.485, 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.

F11 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.62 to $167.615, 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.

F12 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.625 to $167.745, 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.

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

F14 1/48th of the shares subject to the option vested and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

F15 1/48th of the shares subject to the option vested and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

References: F1, F14

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 $157.545 to $158.53, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.55 to $159.52, 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 $159.555 to $160.545, 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 $160.57 to $161.555, 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 $161.57 to $162.555, 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 $162.60 to $163.585, 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 $163.60 to $164.595, 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 $164.60 to $165.595, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.60 to $166.485, 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.

F11 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.62 to $167.615, 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.

F12 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.625 to $167.745, 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.

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

F14 1/48th of the shares subject to the option vested and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

F15 1/48th of the shares subject to the option vested and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

References: F1, F12

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 $157.545 to $158.53, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.55 to $159.52, 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 $159.555 to $160.545, 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 $160.57 to $161.555, 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 $161.57 to $162.555, 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 $162.60 to $163.585, 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 $163.60 to $164.595, 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 $164.60 to $165.595, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.60 to $166.485, 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.

F11 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.62 to $167.615, 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.

F12 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.625 to $167.745, 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.

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

F14 1/48th of the shares subject to the option vested and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

F15 1/48th of the shares subject to the option vested and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

References: F1, F11

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 $157.545 to $158.53, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.55 to $159.52, 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 $159.555 to $160.545, 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 $160.57 to $161.555, 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 $161.57 to $162.555, 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 $162.60 to $163.585, 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 $163.60 to $164.595, 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 $164.60 to $165.595, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.60 to $166.485, 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.

F11 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.62 to $167.615, 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.

F12 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.625 to $167.745, 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.

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

F14 1/48th of the shares subject to the option vested and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

F15 1/48th of the shares subject to the option vested and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

References: F1, F10

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 $157.545 to $158.53, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.55 to $159.52, 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 $159.555 to $160.545, 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 $160.57 to $161.555, 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 $161.57 to $162.555, 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 $162.60 to $163.585, 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 $163.60 to $164.595, 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 $164.60 to $165.595, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.60 to $166.485, 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.

F11 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.62 to $167.615, 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.

F12 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.625 to $167.745, 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.

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

F14 1/48th of the shares subject to the option vested and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

F15 1/48th of the shares subject to the option vested and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

References: F1, F9

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 $157.545 to $158.53, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.55 to $159.52, 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 $159.555 to $160.545, 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 $160.57 to $161.555, 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 $161.57 to $162.555, 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 $162.60 to $163.585, 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 $163.60 to $164.595, 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 $164.60 to $165.595, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.60 to $166.485, 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.

F11 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.62 to $167.615, 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.

F12 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.625 to $167.745, 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.

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

F14 1/48th of the shares subject to the option vested and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

F15 1/48th of the shares subject to the option vested and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

References: F1, F8

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 $157.545 to $158.53, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.55 to $159.52, 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 $159.555 to $160.545, 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 $160.57 to $161.555, 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 $161.57 to $162.555, 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 $162.60 to $163.585, 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 $163.60 to $164.595, 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 $164.60 to $165.595, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.60 to $166.485, 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.

F11 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.62 to $167.615, 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.

F12 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.625 to $167.745, 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.

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

F14 1/48th of the shares subject to the option vested and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

F15 1/48th of the shares subject to the option vested and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

References: F1, F7

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 $157.545 to $158.53, 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.

F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $158.55 to $159.52, 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 $159.555 to $160.545, 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 $160.57 to $161.555, 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 $161.57 to $162.555, 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 $162.60 to $163.585, 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 $163.60 to $164.595, 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 $164.60 to $165.595, 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.

F10 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $165.60 to $166.485, 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.

F11 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $166.62 to $167.615, 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.

F12 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.625 to $167.745, 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.

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

F14 1/48th of the shares subject to the option vested and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

F15 1/48th of the shares subject to the option vested and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

References: F1, F6