Transaction Details

Footnotes

The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 13, 2025. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.53 to $161.50, 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. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $161.59 to $162.57, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $162.59 to $163.589, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $163.5911 to $164.59, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. | 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 $165.24, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. | The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 13, 2025. | 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. | The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 13, 2025 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee. | These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. | Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts. | Reporting person is the trustee of the Kenneth Duda Annuity Trusts. | These shares are held by a family trust for which the reporting person is co-trustee. | 1/48th of the shares subject to the option shall vest and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.