Arista Networks (ANET) 4: Breithaupt Chantelle Yvette sold 8,890 shares of Common Sto… (Apr 16, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-04-14 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: 2026-04-14 | Code: S (Open market sale) Shares: -8,890 | Price: $155.02 Total Value: $1,378,164.25 Shares Owned After: 60,734 | 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. [F2] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $155.00 to $155.06, 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. --- 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. F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $155.00 to $155.06, 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. --- Signature --- /s/ By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Chantelle Breithaupt (2026-04-16)