Todd Nightingale - 20 Feb 2026 Form 4 Insider Report for Arista Networks, Inc. (ANET)

Role
President and COO
Signature
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Todd Nightingale
Issuer symbol
ANET
Transactions as of
20 Feb 2026
Net transactions value
-$580,757
Form type
4
Filing time
24 Feb 2026, 19:19:11 UTC
Previous filing
15 Jul 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Nightingale Todd President and COO 5453 GREAT AMERICA PARKWAY, SANTA CLARA By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Todd Nightingale 24 Feb 2026 0001944844

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ANET Common Stock Options Exercise $0 +10,360 $0.000000 10,360 20 Feb 2026 Direct F1
transaction ANET Common Stock Tax liability $580,757 -4,232 -41% $137.23 6,128 20 Feb 2026 Direct F2

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-3 Award $0 +10,360 $0.000000 10,360 20 Feb 2026 Common Stock 10,360 $0.000000 Direct F1, F3
transaction ANET Restricted Stock Unit-3 Options Exercise $0 -10,360 -100% $0.000000 0 20 Feb 2026 Common Stock 10,360 $0.000000 Direct F1, F3
* 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 Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.
F3 This performance stock award was granted in the second quarter of 2025 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026.