Arista Networks (ANET) CEO Jayshree Ullal discloses insider stock sales and large trust holdings

Rhea-AI Filing Summary

Arista Networks CEO and Chairperson Jayshree Ullal reported multiple stock sales in Arista Networks, Inc. (ANET) on November 25, 2025 under a pre-arranged Rule 10b5-1 trading plan adopted on December 13, 2024. She sold 2,400 shares of common stock at a weighted average price of $123.198, 8,100 shares at $124.0545, 12,742 shares at $125.0603, and 800 shares at $125.6238, all coded as open market sales.

Following these transactions, Ullal directly owned 9,917 Arista shares. She also had indirect ownership reported, including 5,383,207 shares held in trust for Child 1, 5,383,207 shares for Child 2, 30,000 shares for a nephew, 30,000 shares for a niece, and 18,312,010 shares held by a family trust for which she is co‑trustee. For the trusts benefiting her children and certain relatives, she shares voting and investment control but disclaims beneficial ownership.

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

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)
11/25/2025

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		S(1)		2,400	D	$123.198(2)	31,559	D
Common Stock	11/25/2025		S(1)		8,100	D	$124.0545(3)	23,459	D
Common Stock	11/25/2025		S(1)		12,742	D	$125.0603(4)	10,717	D
Common Stock	11/25/2025		S(1)		800	D	$125.6238(5)	9,917	D
Common Stock								5,383,207	I	By Trust for Child 1(6)
Common Stock								5,383,207	I	By Trust for Child 2(6)
Common Stock								30,000	I	By Trust for Nephew(7)
Common Stock								30,000	I	By Trust for Niece(7)
Common Stock								18,312,010	I	by Trust(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. The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2024.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $122.55 to $123.51, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $123.55 to $124.54, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.55 to $125.50, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.55 to $125.68, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

6. 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.

7. 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.

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

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

The report shows that CEO and Chairperson Jayshree Ullal sold Arista Networks common stock in multiple open market transactions on November 25, 2025 under a Rule 10b5-1 trading plan.

How many Arista Networks (ANET) shares did Jayshree Ullal sell and at what prices?

On November 25, 2025, Ullal sold 2,400 shares at $123.198, 8,100 shares at $124.0545, 12,742 shares at $125.0603, and 800 shares at $125.6238, each price reported as a weighted average over multiple trades.

How many Arista Networks (ANET) shares does Jayshree Ullal own directly after the transactions?

After the reported sales, Jayshree Ullal beneficially owned 9,917 shares of Arista Networks common stock directly.

What indirect holdings in Arista Networks (ANET) are reported for Jayshree Ullal?

Indirect beneficial ownership reported includes 5,383,207 shares in a trust for Child 1, 5,383,207 shares for Child 2, 30,000 shares in a trust for a nephew, 30,000 shares in a trust for a niece, and 18,312,010 shares held by a family trust for which she is co‑trustee.

Does Jayshree Ullal disclaim beneficial ownership of any Arista Networks (ANET) shares?

Yes. For shares held in trusts benefiting her children and certain relatives, she shares voting and investment control but disclaims beneficial ownership of those shares.

What is the significance of the Rule 10b5-1 trading plan mentioned for Arista Networks (ANET)?

The filing notes that the reported exercises and/or sales were made pursuant to a Rule 10b5-1 trading plan adopted on December 13, 2024, indicating the trades were pre‑scheduled under SEC rules intended to provide an affirmative defense for insider transactions.