FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person *
Duda Kenneth
(Last) (First) (Middle)
5453 GREAT AMERICA PARKWAY
(Street)
SANTA CLARA CA 95054
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Arista Networks, Inc. [ ANET ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
President and CTO
3. Date of Earliest Transaction (Month/Day/Year)
08/28/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/28/2026   J   85,875 (1) A $ 0 1,101,043 I By Childrens' Trust (2)
Common Stock 08/28/2026   J   85,875 (3) A $ 0 1,186,918 I By Childrens' Trust (2)
Common Stock 08/28/2026   J   51,160 (4) D $ 0 706,595 I By GRAT JD (5)
Common Stock 08/28/2026   J   42,937 (6) D $ 0 663,658 I By GRAT JD (5)
Common Stock 08/28/2026   J   42,938 (7) D $ 0 620,720 I By GRAT JD (5)
Common Stock 08/28/2026   J   51,160 (8) D $ 0 705,112 I By GRAT KD (9)
Common Stock 08/28/2026   J   42,938 (10) D $ 0 662,174 I By GRAT KD (9)
Common Stock 08/28/2026   J   42,937 (11) D $ 0 619,237 I By GRAT KD (9)
Common Stock 08/28/2026   J   102,320 (12) A $ 0 224,695 I by Trust (13)
Common Stock               12,976 D  
Common Stock               452,400 I By Foundation (14)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. Represents 85,875 shares from the Ken Duda Annuity Trust to the Children's Trust.
2. These shares are held in multiple trusts 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.
3. Represents 85,875 shares from the Jennifer Duda Annuity Trust to the Children's Trust.
4. Represents 51,160 shares from the Jennifer Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.
5. Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.
6. Represents 42,937 shares from the Jennifer Duda Annuity Trust to the Childrens Trust.
7. Represents 42,938 shares from the Jennifer Duda Annuity Trust to the Childrens Trust.
8. Represents 51,160 shares from the Kenneth Duda Annuity Trust to the Kenneth and Jennifer Duda Living Trust.
9. Reporting person is the trustee of the Kenneth Duda Annuity Trusts.
10. Represents 42,938 shares from the Kenneth Duda Annuity Trust to the Childrens Trust.
11. Represents 42,937 shares from the Kenneth Duda Annuity Trust to the Childrens Trust.
12. Represents an aggregate of 102,320 shares transferred by the GRAT of the reporting person (51,160) and the GRAT of the reporting person's spouse (51,160) to the Family Trust.
13. These shares are held by a family trust for which the reporting person is co-trustee.
14. These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Kenneth Duda 09/01/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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