Chantelle Breithaupt - Nov 20, 2025 Form 4 Insider Report for Arista Networks, Inc. (ANET)

Signature
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Chantelle Breithaupt
Stock symbol
ANET
Transactions as of
Nov 20, 2025
Transactions value $
-$681,088
Form type
4
Date filed
11/24/2025, 06:55 PM
Previous filing
Sep 4, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Breithaupt Chantelle Yvette Senior Vice President, CFO 5453 GREAT AMERICA PARKWAY, SANTA CLARA By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Chantelle Breithaupt 2025-11-24 0001850596

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ANET Common Stock Options Exercise $0 +10.9K +26.03% $0.00 52.9K Nov 20, 2025 Direct F1
transaction ANET Common Stock Tax liability -$681K -5.46K -10.33% $124.81 47.4K Nov 20, 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ANET Restricted Stock Unit-1 Options Exercise $0 -10.9K -10% $0.00 98.3K Nov 20, 2025 Common Stock 10.9K $0.00 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
F2 Twenty five percent (25%) of the restricted stock units awarded vested on Feb 20, 2025 and will continue to vest at a rate of six and one-quarter percent (6.25%) each quarter on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20 or November 20 of each year.