Arista Networks, Inc. · Exercise / conversion · Common Stock

What does this filing report?

An SEC Form 4 filing for Arista Networks, Inc. records an exercise / conversion involving Common Stock on October 17, 2025. The reported quantity was 30,000. The filing date is October 21, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.

The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.

Filing footnotes & remarks

F1

The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 13, 2025.

F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.47 to $140.44, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and 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 $140.50 to $141.42, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and 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 $141.5862 to $142.585, 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.

F5

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $142.60 to $143.59, 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.

F6

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $143.60 to $144.22, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7

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.

F8

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.

F9

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.

F10

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

F11

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

F12

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

F13

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

F14

1/60th of the shares subject to the option vested and became exercisable on April 1, 2017 and 1/60th of the shares subject to the option shall vested monthly thereafter.

Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.