Arista Networks (ANET) 4: CFO sold 1,224 Arista shares (Oct 8, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-10-06 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: Arista Networks, Inc. (ANET) CIK: 0001596532 --- Reporting Owner --- Name: Breithaupt Chantelle Yvette CIK: 0001850596 Role: Officer (Senior Vice President, CFO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-10-06 | Code: S (Open market sale) Shares: -1,224 | Price: $215.00 Total Value: $263,160.00 Shares Owned After: 68,697 | Ownership: D (Direct) Footnotes: [F1] The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on December 11, 2025 and modified on June 2, 2026. --- Footnotes (Complete Index) --- F1: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on December 11, 2025 and modified on June 2, 2026. --- Signature --- /s/ By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Chantelle Breithaupt (2026-10-08)