[Form 4] Arista Networks, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Arista Networks (ANET) CEO and Chair Jayshree Ullal reported an internal transfer of 935,000 shares of common stock on 11/14/2025, coded as transaction type G, which typically reflects a gift or similar transfer. Following this move, a family trust for which Ullal is co‑trustee holds 18,312,010 shares indirectly.

Additional indirect holdings include 9,917 shares in a trust for a child, 5,383,207 shares in a trust for Child 1, 5,383,207 shares in a trust for Child 2, and 30,000 shares each in trusts for a nephew and a niece. The filing notes that Ullal serves as trustee or co‑trustee and shares voting and investment control over these trusts, while disclaiming beneficial ownership of shares held for children and other relatives.

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

OMB APPROVAL

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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^*

Ullal Jayshree

(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)
	CEO and Chairperson

3. Date of Earliest Transaction (Month/Day/Year)
11/14/2025

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	11/14/2025		G		935,000	D	$0.0	18,312,010	I	by Trust(1)
Common Stock								9,917	D
Common Stock								5,383,207	I	By Trust for Child 1(2)
Common Stock								5,383,207	I	By Trust for Child 2(2)
Common Stock								30,000	I	By Trust for Nephew(3)
Common Stock								30,000	I	By Trust for Niece(3)

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

2. 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.

3. 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.

	By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Jayshree Ullal	11/18/2025
	** 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 transaction did Arista Networks (ANET) report for Jayshree Ullal?

Jayshree Ullal, CEO, Chair, and Director of Arista Networks, reported a transaction on 11/14/2025 involving the transfer of 935,000 shares of common stock coded as transaction type G.

How many Arista Networks (ANET) shares are held by the family trust linked to Jayshree Ullal?

After the reported transaction, a family trust for which Jayshree Ullal is co‑trustee holds 18,312,010 ANET common shares indirectly.

What does Jayshree Ullal disclose about beneficial ownership of ANET shares held in children’s trusts?

Shares in trusts for Ullal’s children total 9,917 shares and 5,383,207 shares for each of two child trusts; she serves as trustee, shares voting and investment control, but disclaims beneficial ownership of these shares.

Are there additional Arista Networks (ANET) shares held for other relatives of Jayshree Ullal?

Yes. Trusts for a nephew and a niece each hold 30,000 ANET shares. Ullal serves as co‑trustee, shares voting and investment control, and disclaims beneficial ownership of these shares.

What is the relationship of Jayshree Ullal to Arista Networks (ANET)?

Jayshree Ullal is reported as a Director and an Officer of Arista Networks, serving as CEO and Chairperson.

Is the reported Form 4 for Arista Networks (ANET) filed by one or multiple reporting persons?

The Form 4 is marked as Form filed by One Reporting Person, indicating only Jayshree Ullal is the reporting person.