Arista Networks (ANET)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-21 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Arista Networks, Inc. (ANET) CIK: 0001596532 --- Reporting Owner --- Name: Duda Kenneth CIK: 0001605808 Role: Director, Officer (President and CTO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-21 | Code: J (Other acquisition/disposition) Shares: +100,000 | Price: $0.00 Shares Owned After: 802,147 | Ownership: I (Indirect) | Nature: By GRAT JD Footnotes: [F1] Represents 100,000 shares transferred from the Family Trust to the GRAT of the Reporting Person's Spouse. [F2] Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts. [Transaction #2] Security: Common Stock Date: 2026-05-21 | Code: J (Other acquisition/disposition) Shares: +100,000 | Price: $0.00 Shares Owned After: 802,147 | Ownership: I (Indirect) | Nature: By GRAT KD Footnotes: [F3] Represents 100,000 shares transferred from the Family Trust to the GRAT of the Reporting Person. [F4] Reporting person is the trustee of the Kenneth Duda Annuity Trusts. [Transaction #3] Security: Common Stock Date: 2026-05-21 | Code: J (Other acquisition/disposition) Shares: -200,000 | Price: $0.00 Shares Owned After: 16,623 | Ownership: I (Indirect) | Nature: by Trust Footnotes: [F5] Represents an aggregate of 200,000 shares contributed to the GRAT of the Reporting Person (100,000 shares), and GRAT of the Reporting Person's spouse (100,000 shares). [F6] These shares are held by a family trust for which the reporting person is co-trustee. --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) [Holding #2] Security: Common Stock Ownership: I (Indirect) Footnotes: [F7] 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. [Holding #3] Security: Common Stock Ownership: I (Indirect) Footnotes: [F8] These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. --- Footnotes (Complete Index) --- F1: Represents 100,000 shares transferred from the Family Trust to the GRAT of the Reporting Person's Spouse. F2: Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts. F3: Represents 100,000 shares transferred from the Family Trust to the GRAT of the Reporting Person. F4: Reporting person is the trustee of the Kenneth Duda Annuity Trusts. F5: Represents an aggregate of 200,000 shares contributed to the GRAT of the Reporting Person (100,000 shares), and GRAT of the Reporting Person's spouse (100,000 shares). F6: These shares are held by a family trust for which the reporting person is co-trustee. F7: 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. F8: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. --- Signature --- /s/ By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Kenneth Duda (2026-05-26)