Arista Networks (ANET) CTO Kenneth Duda reports GRAT-to-family trust share moves

Rhea-AI Filing Summary

Arista Networks, Inc. executive Kenneth Duda, President and CTO and a director, reported internal share transfers involving family trusts. On 11/25/2025, 79,074 shares of Arista Networks common stock were transferred to a Family Trust from a GRAT of his spouse and another 79,074 shares were transferred to the same Family Trust from his own GRAT, for an aggregate of 158,148 shares, all at a reported price of $0.0 per share.

Following these transactions, he continues to report beneficial ownership of Arista Networks shares held indirectly through multiple vehicles, including annuity trusts where he or his spouse serves as trustee, a family trust where he is co‑trustee, a Children’s Trust where he disclaims beneficial ownership, and a 501(c) foundation for which he and his spouse serve as co‑trustees.

SEC Form 4

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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)
11/25/2025

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	11/25/2025		J(1)		79,074	D	$0.0	682,961	I	By GRAT JD(2)
Common Stock	11/25/2025		J(3)		79,074	D	$0.0	682,961	I	By GRAT KD(4)
Common Stock	11/25/2025		J(5)		158,148	A	$0.0	185,083	I	by Trust(6)
Common Stock								12,976	D
Common Stock								1,159,168	I	By Childrens' Trust(7)
Common Stock								542,400	I	By Foundation(8)

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 79,074 shares transferred to the Family Trust from the GRAT of the Reporting Person's spouse.

2. Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

3. Represents 79,074 shares transferred to the Family Trust from the GRAT of the Reporting Person.

4. Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

5. Represents an aggregate of 158,148 shares transferred by the GRAT of the reporting person (79,074) and the GRAT of the reporting person's spouse (79,074) to the Family Trust.

6. These shares are held by a family trust for which the reporting person is co-trustee.

7. 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.

8. 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	11/26/2025
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider stock transaction did Kenneth Duda report for Arista Networks (ANET)?

Kenneth Duda reported internal transfers of Arista Networks common stock on 11/25/2025, moving shares from GRATs into a Family Trust at a reported price of $0.0 per share.

How many Arista Networks (ANET) shares were transferred to the Family Trust?

A total of 158,148 Arista Networks common shares were transferred to the Family Trust, consisting of 79,074 shares from the reporting person’s GRAT and 79,074 shares from the spouse’s GRAT.

What is Kenneth Duda’s role at Arista Networks (ANET) in this Form 4?

In this Form 4, Kenneth Duda is identified as a Director and an Officer, serving as President and CTO of Arista Networks, Inc.

How are the GRATs and family trust described in the Arista Networks (ANET) Form 4?

The filing states that 79,074 shares were transferred from the GRAT of the reporting person and 79,074 from the GRAT of the reporting person’s spouse to a Family Trust, with the spouses serving as trustees or co‑trustees of the respective annuity trusts and family trust.

What does the Arista Networks (ANET) Form 4 say about the Children’s Trust shares?

The filing explains that certain shares are held in a Children’s Trust for the benefit of a child of the reporting person, where he is co‑trustee, shares voting and investment control, but disclaims beneficial ownership of those shares.

How are foundation-held Arista Networks (ANET) shares characterized in the Form 4?

The Form 4 notes that some shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co‑trustees, and these are reported as indirectly held shares.