Chantelle Yvette Breithaupt - 20 Feb 2026 Form 4 Insider Report for Arista Networks, Inc. (ANET)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
24 Feb 2026, 19:18:29 UTC
Prior SEC filing
17 Feb 2026
Next SEC filing
16 Apr 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Chantelle Breithaupt

Key filing fact

Chantelle Yvette Breithaupt filed Form 4 for Arista Networks, Inc. (ANET) on 24 Feb 2026.

Key facts

  • This page summarizes Chantelle Yvette Breithaupt's Form 4 filing for Arista Networks, Inc. (ANET).
  • 11 reported transactions and 6 derivative rows are listed below.
  • Accepted by SEC: 24 Feb 2026, 19:18.

Change

  • Previous filing in this sequence was filed on 17 Feb 2026.
  • Current net transaction value: -$2,786,455.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001850596 Primary reporting owner

Breithaupt Chantelle Yvette

Relationship
Senior Vice President, CFO
Address
5453 GREAT AMERICA PARKWAY, SANTA CLARA
Signature
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Chantelle Breithaupt
Signature date
24 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ANET transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+10,920
Change %
+23%
Price
$0.000000
Shares after
58,315
Date
20 Feb 2026
Ownership
Direct
Footnotes
F1
ANET transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+15,864
Change %
+27%
Price
$0.000000
Shares after
74,179
Date
20 Feb 2026
Ownership
Direct
Footnotes
F1
ANET transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+1,350
Change %
+1.8%
Price
$0.000000
Shares after
75,529
Date
20 Feb 2026
Ownership
Direct
Footnotes
F1
ANET transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+14,400
Change %
+19%
Price
$0.000000
Shares after
89,929
Date
20 Feb 2026
Ownership
Direct
Footnotes
F1
ANET transaction

Common Stock

Tax liability

Transaction value
$2,786,455
Shares
-20,305
Change %
-23%
Price
$137.23
Shares after
69,624
Date
20 Feb 2026
Ownership
Direct
Footnotes
F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ANET transaction Derivative

Restricted Stock Unit-1

Options Exercise

Transaction value
$0
Shares
-10,920
Change %
-11%
Price
$0.000000
Shares after
87,340
Date
20 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
10,920
Exercise price
$0.000000
Footnotes
F1, F3
ANET transaction Derivative

Restricted Stock Unit-2

Options Exercise

Transaction value
$0
Shares
-1,350
Change %
-6.2%
Price
$0.000000
Shares after
20,250
Date
20 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,350
Exercise price
$0.000000
Footnotes
F1, F4
ANET transaction Derivative

Restricted Stock Unit-3

Award

Transaction value
$0
Shares
+15,864
Change %
Price
$0.000000
Shares after
15,864
Date
20 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
15,864
Exercise price
$0.000000
Footnotes
F1, F5
ANET transaction Derivative

Restricted Stock Unit-3

Options Exercise

Transaction value
$0
Shares
-15,864
Change %
-100%
Price
$0.000000
Shares after
0
Date
20 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
15,864
Exercise price
$0.000000
Footnotes
F1, F5
ANET transaction Derivative

Restricted Stock Unit-7

Award

Transaction value
$0
Shares
+14,400
Change %
Price
$0.000000
Shares after
14,400
Date
20 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
14,400
Exercise price
$0.000000
Footnotes
F1, F6
ANET transaction Derivative

Restricted Stock Unit-7

Options Exercise

Transaction value
$0
Shares
-14,400
Change %
-100%
Price
$0.000000
Shares after
0
Date
20 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
14,400
Exercise price
$0.000000
Footnotes
F1, F6
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

Footnote F2

Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.

Footnote F3

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.

Footnote F4

Six and one-quarter percent (6.25%) of the restricted stock units awarded vest on February 20, 2026 and will continue to vest at the same rate 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, and November 20 of each year.

Footnote F5

This performance stock award was granted in the first quarter of 2024 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026.

Footnote F6

This performance stock award was granted in the first quarter of 2024 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026.

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