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

Reporting relationship
President and CTO, Director
Issuer ticker
ANET
Reported as of
20 Nov 2025
Net transaction value
-$2,217,125
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
24 Nov 2025, 18:55:44 UTC
Prior SEC filing
19 Nov 2025
Next SEC filing
28 Nov 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Kenneth Duda

Key filing fact

Kenneth Duda filed Form 4 for Arista Networks, Inc. (ANET) on 24 Nov 2025.

Key facts

  • This page summarizes Kenneth Duda's Form 4 filing for Arista Networks, Inc. (ANET).
  • 11 reported transactions and 5 derivative rows are listed below.
  • Accepted by SEC: 24 Nov 2025, 18:55.

Change

  • Previous filing in this sequence was filed on 19 Nov 2025.
  • Current net transaction value: -$2,217,125.

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 0001605808 Primary reporting owner

Duda Kenneth

Relationship
President and CTO, Director
Address
5453 GREAT AMERICA PARKWAY, SANTA CLARA
Signature
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Kenneth Duda
Signature date
24 Nov 2025

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
+5,712
Change %
+61%
Price
$0.000000
Shares after
15,015
Date
20 Nov 2025
Ownership
by Trust
Footnotes
F1, F2
ANET transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+3,884
Change %
+26%
Price
$0.000000
Shares after
18,899
Date
20 Nov 2025
Ownership
by Trust
Footnotes
F1, F2
ANET transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+4,148
Change %
+22%
Price
$0.000000
Shares after
23,047
Date
20 Nov 2025
Ownership
by Trust
Footnotes
F1, F2
ANET transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+1,836
Change %
+8%
Price
$0.000000
Shares after
24,883
Date
20 Nov 2025
Ownership
by Trust
Footnotes
F1, F2
ANET transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+19,816
Change %
+80%
Price
$0.000000
Shares after
44,699
Date
20 Nov 2025
Ownership
by Trust
Footnotes
F1, F2
ANET transaction

Common Stock

Tax liability

Transaction value
$2,217,125
Shares
-17,764
Change %
-40%
Price
$124.81
Shares after
26,935
Date
20 Nov 2025
Ownership
by Trust
Footnotes
F2, F3
ANET holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
12,976
Date
20 Nov 2025
Ownership
Direct
ANET holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,159,168
Date
20 Nov 2025
Ownership
By Childrens' Trust
Footnotes
F4
ANET holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
542,400
Date
20 Nov 2025
Ownership
By Foundation
Footnotes
F5
ANET holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
762,035
Date
20 Nov 2025
Ownership
By GRAT JD
Footnotes
F6
ANET holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
762,035
Date
20 Nov 2025
Ownership
By GRAT KD
Footnotes
F7

Reported derivative securities

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

ANET transaction Derivative

Restricted Stock Unit-11

Options Exercise

Transaction value
$0
Shares
-4,148
Change %
-11%
Price
$0.000000
Shares after
33,180
Date
20 Nov 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
4,148
Exercise price
$0.000000
Footnotes
F1, F8
ANET transaction Derivative

Restricted Stock Unit-13

Options Exercise

Transaction value
$0
Shares
-1,836
Change %
-7.7%
Price
$0.000000
Shares after
22,020
Date
20 Nov 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,836
Exercise price
$0.000000
Footnotes
F1, F9
ANET transaction Derivative

Restricted Stock Unit-14

Options Exercise

Transaction value
$0
Shares
-19,816
Change %
-5%
Price
$0.000000
Shares after
376,504
Date
20 Nov 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
19,816
Exercise price
$0.000000
Footnotes
F1, F10
ANET transaction Derivative

Restricted Stock Unit-7

Options Exercise

Transaction value
$0
Shares
-5,712
Change %
-100%
Price
$0.000000
Shares after
0
Date
20 Nov 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
5,712
Exercise price
$0.000000
Footnotes
F1, F11
ANET transaction Derivative

Restricted Stock Unit-8

Options Exercise

Transaction value
$0
Shares
-3,884
Change %
-20%
Price
$0.000000
Shares after
15,528
Date
20 Nov 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,884
Exercise price
$0.000000
Footnotes
F1, F12
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 12 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

These shares are held by a family trust for which the reporting person is co-trustee.

Footnote F3

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

Footnote F4

These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

Footnote F5

These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

Footnote F6

Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

Footnote F7

Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

Footnote F8

Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on on February 20, 2024 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 F9

Six and one-quarter percent (6.25%) of the restricted stock units awarded Will vest on February 20, 2025 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 F10

Six and one-quarter percent (6.25%) of the restricted stock awarded vested on February 20, 2025 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 F11

Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on February 20, 2022 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 F12

Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on February 20, 2023 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.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .