Kenneth Duda - 20 May 2026 Form 4 Insider Report for Arista Networks, Inc. (ANET)

Reporting relationship
President and CTO, Director
Issuer ticker
ANET
Reported as of
20 May 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
22 May 2026, 18:48:12 UTC
Prior SEC filing
20 May 2026
Next SEC filing
26 May 2026
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 22 May 2026.

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: 22 May 2026, 18:48.

Change

  • Previous filing in this sequence was filed on 20 May 2026.
  • Current net transaction value: $0.

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
22 May 2026

Reported non-derivative transactions

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

ANET transaction

Common Stock

Options Exercise

Transaction value
Shares
+3,884
Change %
+1.9%
Price
$0.000000*
Shares after
205,018
Date
20 May 2026
Ownership
by Trust
Footnotes
F1, F2
ANET transaction

Common Stock

Options Exercise

Transaction value
Shares
+4,148
Change %
+2%
Price
$0.000000*
Shares after
209,166
Date
20 May 2026
Ownership
by Trust
Footnotes
F1, F2
ANET transaction

Common Stock

Options Exercise

Transaction value
Shares
+1,836
Change %
+0.88%
Price
$0.000000*
Shares after
211,002
Date
20 May 2026
Ownership
by Trust
Footnotes
F1, F2
ANET transaction

Common Stock

Options Exercise

Transaction value
Shares
+19,816
Change %
+9.4%
Price
$0.000000*
Shares after
230,818
Date
20 May 2026
Ownership
by Trust
Footnotes
F1, F2
ANET transaction

Common Stock

Options Exercise

Transaction value
Shares
+1,350
Change %
+0.58%
Price
$0.000000*
Shares after
232,168
Date
20 May 2026
Ownership
by Trust
Footnotes
F1, F2
ANET transaction

Common Stock

Tax liability

Transaction value
Shares
-15,545
Change %
-6.7%
Price
$141.58*
Shares after
216,623
Date
20 May 2026
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 May 2026
Ownership
Direct
ANET holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,063,168
Date
20 May 2026
Ownership
By Childrens' Trust
Footnotes
F4
ANET holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
482,400
Date
20 May 2026
Ownership
By Foundation
Footnotes
F5
ANET holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
702,147
Date
20 May 2026
Ownership
By GRAT JD
Footnotes
F6
ANET holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
702,147
Date
20 May 2026
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 - 17

Options Exercise

Transaction value
Shares
-1,350
Change %
-6.7%
Price
$0.000000*
Shares after
18,900
Date
20 May 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,350
Exercise price
$0.000000
Footnotes
F1, F8
ANET transaction Derivative

Restricted Stock Unit-11

Options Exercise

Transaction value
Shares
-4,148
Change %
-14%
Price
$0.000000*
Shares after
24,884
Date
20 May 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
4,148
Exercise price
$0.000000
Footnotes
F1, F9
ANET transaction Derivative

Restricted Stock Unit-13

Options Exercise

Transaction value
Shares
-1,836
Change %
-9.1%
Price
$0.000000*
Shares after
18,348
Date
20 May 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,836
Exercise price
$0.000000
Footnotes
F1, F10
ANET transaction Derivative

Restricted Stock Unit-14

Options Exercise

Transaction value
Shares
-19,816
Change %
-5.6%
Price
$0.000000*
Shares after
336,872
Date
20 May 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
19,816
Exercise price
$0.000000
Footnotes
F1, F11
ANET transaction Derivative

Restricted Stock Unit-8

Options Exercise

Transaction value
Shares
-3,884
Change %
-33%
Price
$0.000000*
Shares after
7,764
Date
20 May 2026
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 vested 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 F9

Six and one-quarter percent (6.25%) of the restricted stock units awarded vested 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 F10

Six and one-quarter percent (6.25%) of the restricted stock units 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

Five percent (5%) of the restricted stock awarded vested on November 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 F12

Six and one-quarter percent (6.25%) of the restricted stock units awarded vested 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.

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