Ullal Jayshree 4

4 · Arista Networks, Inc. · Filed Feb 24, 2026

Insider Transaction Report

Form 4

Period: 2026-02-20

Arista Networks, Inc.ANET

Ullal Jayshree

DirectorCEO and Chairperson

Transactions

Exercise/Conversion
Common Stock
[F1]
2026-02-20+20,592→ 30,509 total
Exercise/Conversion
Common Stock
[F1]
2026-02-20+77,640→ 108,149 total
Exercise/Conversion
Common Stock
[F1]
2026-02-20+27,660→ 135,809 total
Exercise/Conversion
Common Stock
[F1]
2026-02-20+57,240→ 193,049 total
Exercise/Conversion
Common Stock
[F1]
2026-02-20+41,224→ 234,273 total
Tax Payment
Common Stock
[F2]
2026-02-20$137.23/sh−111,544$15,307,183→ 122,729 total
Exercise/Conversion
Restricted Stock Unit-10
[F1][F6]
2026-02-20−57,240→ 0 total
Exercise: $0.00→ Common Stock (57,240 underlying)
Award
Restricted Stock Unit-11
[F1][F7]
2026-02-20+41,224→ 41,224 total
Exercise: $0.00→ Common Stock (41,224 underlying)
Exercise/Conversion
Restricted Stock Unit-11
[F1][F7]
2026-02-20−41,224→ 0 total
Exercise: $0.00→ Common Stock (41,224 underlying)
Exercise/Conversion
Restricted Stock Unit-7
[F1][F8]
2026-02-20−20,592→ 0 total
Exercise: $0.00→ Common Stock (20,592 underlying)
Exercise/Conversion
Restricted Stock Unit-8
[F1][F9]
2026-02-20−27,660→ 110,660 total
Exercise: $0.00→ Common Stock (27,660 underlying)
Exercise/Conversion
Restricted Stock Unit-9
[F1][F10]
2026-02-20−77,640→ 0 total
Exercise: $0.00→ Common Stock (77,640 underlying)

Holdings

Common Stock
[F3]
(indirect: By Trust)
5,383,207
Common Stock
[F3]
(indirect: By Trust)
5,383,207
Common Stock
[F4]
(indirect: By Trust)
30,000
Common Stock
[F4]
(indirect: By Trust)
30,000
Common Stock
[F5]
(indirect: By Trust)
18,312,010

Footnotes (10)

[F1]Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
[F10]This performance stock award was granted in the first quarter of 2022 and was earned based on attainment of certain performance conditions. The award vested 1/2 on February 20, 2025, and will continue to fully vest on February 20, 2026.
[F2]Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.
[F3]These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
[F4]These shares are held in trust for the benefit of relatives 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.
[F5]These shares are held by a family trust for which the reporting person is co-trustee.
[F6]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 1/2 on February 20, 2025, and will continue to fully vest on February 20, 2026.
[F7]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.
[F8]This performance stock award was granted in the first quarter of 2022 and was earned based on attainment of certain performance conditions. The award vested 25% on February 21, 2023 and will continue to vest quarterly over 3 years. 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.
[F9]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 (25%) on February 20, 2024, and will continue to vest quarterly over 3 years. 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.

Signature

By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Jayshree Ullal|2026-02-24

Documents

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