Key facts
- This page summarizes Kenneth Duda's Form 4 filing for Arista Networks, Inc. (ANET).
- 20 reported transactions and 11 derivative rows are listed below.
- Accepted by SEC: 24 Feb 2026, 19:18.
Kenneth Duda - 20 Feb 2026 Form 4 Insider Report for Arista Networks, Inc. (ANET)
- Reporting relationship
- President and CTO, Director
- Issuer ticker
- ANET
- Reported as of
- 20 Feb 2026
- Net transaction value
- -$7,523,360
- SEC form
- 4
- Accepted by SEC
- 24 Feb 2026, 19:18:52 UTC
- Prior SEC filing
- 19 Feb 2026
- Next SEC filing
- 13 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Kenneth Duda
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Kenneth Duda filed Form 4 for Arista Networks, Inc. (ANET) on 24 Feb 2026.
Change
- Previous filing in this sequence was filed on 19 Feb 2026.
- Current net transaction value: -$7,523,360.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
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 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
- +3,880
- Change %
- +11%
- Price
- $0.000000
- Shares after
- 38,963
- Date
- 20 Feb 2026
- Ownership
- by Trust
- Footnotes
- F1, F2
ANET
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +4,148
- Change %
- +11%
- Price
- $0.000000
- Shares after
- 43,111
- Date
- 20 Feb 2026
- Ownership
- by Trust
- Footnotes
- F1, F2
ANET
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +44,240
- Change %
- +103%
- Price
- $0.000000
- Shares after
- 87,351
- Date
- 20 Feb 2026
- Ownership
- by Trust
- Footnotes
- F1, F2
ANET
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +1,836
- Change %
- +2.1%
- Price
- $0.000000
- Shares after
- 89,187
- Date
- 20 Feb 2026
- Ownership
- by Trust
- Footnotes
- F1, F2
ANET
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +19,816
- Change %
- +22%
- Price
- $0.000000
- Shares after
- 109,003
- Date
- 20 Feb 2026
- Ownership
- by Trust
- Footnotes
- F1, F2
ANET
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +1,350
- Change %
- +1.2%
- Price
- $0.000000
- Shares after
- 110,353
- Date
- 20 Feb 2026
- Ownership
- by Trust
- Footnotes
- F1, F2
ANET
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +14,400
- Change %
- +13%
- Price
- $0.000000
- Shares after
- 124,753
- Date
- 20 Feb 2026
- Ownership
- by Trust
- Footnotes
- F1, F2
ANET
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +19,576
- Change %
- +16%
- Price
- $0.000000
- Shares after
- 144,329
- Date
- 20 Feb 2026
- Ownership
- by Trust
- Footnotes
- F1, F2
ANET
transaction
Common Stock
Tax liability
- Transaction value
- $7,523,360
- Shares
- -54,823
- Change %
- -38%
- Price
- $137.23
- Shares after
- 89,506
- Date
- 20 Feb 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 Feb 2026
- Ownership
- Direct
ANET
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,111,168
- Date
- 20 Feb 2026
- Ownership
- By Childrens' Trust
- Footnotes
- F4
ANET
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 512,400
- Date
- 20 Feb 2026
- Ownership
- By Foundation
- Footnotes
- F5
ANET
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 757,961
- Date
- 20 Feb 2026
- Ownership
- By GRAT JD
- Footnotes
- F6
ANET
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 757,961
- Date
- 20 Feb 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
- $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, F8
ANET
transaction
Derivative
Restricted Stock Unit - 18
Award
- Transaction value
- $0
- Shares
- +19,576
- Change %
- Price
- $0.000000
- Shares after
- 19,576
- Date
- 20 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 19,576
- Exercise price
- $0.000000
- Footnotes
- F1, F9
ANET
transaction
Derivative
Restricted Stock Unit - 18
Options Exercise
- Transaction value
- $0
- Shares
- -19,576
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 20 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 19,576
- Exercise price
- $0.000000
- Footnotes
- F1, F9
ANET
transaction
Derivative
Restricted Stock Unit - 19
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, F10
ANET
transaction
Derivative
Restricted Stock Unit - 19
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, F10
ANET
transaction
Derivative
Restricted Stock Unit-11
Options Exercise
- Transaction value
- $0
- Shares
- -4,148
- Change %
- -13%
- Price
- $0.000000
- Shares after
- 29,032
- Date
- 20 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 4,148
- Exercise price
- $0.000000
- Footnotes
- F1, F11
ANET
transaction
Derivative
Restricted Stock Unit-13
Options Exercise
- Transaction value
- $0
- Shares
- -1,836
- Change %
- -8.3%
- Price
- $0.000000
- Shares after
- 20,184
- Date
- 20 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,836
- Exercise price
- $0.000000
- Footnotes
- F1, F12
ANET
transaction
Derivative
Restricted Stock Unit-14
Options Exercise
- Transaction value
- $0
- Shares
- -19,816
- Change %
- -5.3%
- Price
- $0.000000
- Shares after
- 356,688
- Date
- 20 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 19,816
- Exercise price
- $0.000000
- Footnotes
- F1, F13
ANET
transaction
Derivative
Restricted Stock Unit-16
Award
- Transaction value
- $0
- Shares
- +44,240
- Change %
- Price
- $0.000000
- Shares after
- 44,240
- Date
- 20 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 44,240
- Exercise price
- $0.000000
- Footnotes
- F1, F14
ANET
transaction
Derivative
Restricted Stock Unit-16
Options Exercise
- Transaction value
- $0
- Shares
- -44,240
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 20 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 44,240
- Exercise price
- $0.000000
- Footnotes
- F1, F14
ANET
transaction
Derivative
Restricted Stock Unit-8
Options Exercise
- Transaction value
- $0
- Shares
- -3,880
- Change %
- -25%
- Price
- $0.000000
- Shares after
- 11,648
- Date
- 20 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 3,880
- Exercise price
- $0.000000
- Footnotes
- F1, F15
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 15 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
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 F10
This performance stock award was granted in the first quarter of 2025 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026.
Footnote F11
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 F12
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 F13
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 F14
This performance stock award was granted in the first quarter of 2023 and was earned based on attainment of certain performance conditions. The award vested on February 20, 2026.
Footnote F15
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.