Arista Networks, Inc. (ANET) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-22 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: Arista Networks, Inc. (ANET) CIK: 0001596532 --- Reporting Owner --- Name: Duda Kenneth CIK: 0001605808 Role: Director, Officer (President and CTO) --- Derivative Transactions --- [Transaction #1] Security: Non-Qualified Stock Option (right to buy) Date: 2026-06-22 | Code: M (Exercise of derivative) Shares: -17,333 | Price: $0.00 Exercisable: N/A | Expires: 2028-11-08 Shares Owned After: 30,667 | Ownership: D (Direct) Footnotes: [F2] The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026. [F3] 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) Footnotes: [F1] These shares are held by a family trust for which the reporting person is co-trustee. --- Footnotes (Complete Index) --- F1: These shares are held by a family trust for which the reporting person is co-trustee. F2: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026. F3: 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter. --- Signature --- /s/ By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Kenneth Duda (2026-06-24)