Arista Networks (ANET) director acquires 971 shares via RSU vest

Arista Networks, Inc. (ANET) reported an insider equity transaction by a director on a Form 4.

Rhea-AI Filing Summary

Arista Networks, Inc. (ANET) reported an insider equity transaction by a director on a Form 4. On 11/20/2025, the reporting person acquired 971 shares of Common Stock through the vesting and settlement of previously granted restricted stock units (RSUs) at an exercise price of $0.0. After this transaction, the director beneficially owned 29,290 shares of Arista Networks Common Stock in direct ownership.

The derivative table shows that 971 RSUs were converted into shares, leaving 1,942 RSUs beneficially owned following the transaction. According to the footnotes, each RSU represents a right to receive one share of Common Stock upon vesting. The RSUs referenced were granted on May 30, 2025, with one quarter of the shares vesting on August 20, 2025 and additional portions vesting on each quarterly vest date on or after February 20, May 20, August 20, or November 20.

Insider Trade Summary

971 shares exercised/converted

Exercise 2 txns

Insider CHEW LEWIS

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit-5	971	$0.00	$0.00
Exercise	Common Stock	971	$0.00	$0.00

Holdings After Transaction: Restricted Stock Unit-5 — 1,942 contracts (Direct); Common Stock — 29,290 shares (Direct)

Footnotes (2)

1. F1. Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
2. F2. The reporting person was granted RSUs on May 30, 2025. 1/4th of the shares vest on August 20, 2025 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Arista Networks (ANET) report on this Form 4?

The filing reports that a director acquired 971 shares of Arista Networks Common Stock on 11/20/2025 through the vesting and settlement of restricted stock units at an exercise price of $0.0.

How many Arista Networks (ANET) shares does the reporting person own after the transaction?

Following the reported transaction, the director beneficially owned 29,290 shares of Arista Networks Common Stock in direct ownership.

What derivative securities are involved in this Arista Networks (ANET) Form 4?

The transaction involves restricted stock units (RSUs). A total of 971 RSUs were exercised into Common Stock, and 1,942 RSUs remained beneficially owned after the transaction.

What does each restricted stock unit (RSU) represent for Arista Networks (ANET)?

Each RSU represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting, as stated in the explanation of responses.

What is the vesting schedule for the Arista Networks (ANET) RSUs in this filing?

The RSUs were granted on May 30, 2025. One quarter of the shares vest on August 20, 2025 and continue to vest at the same rate on each quarterly vest date, defined as the first market trading day on or after February 20, May 20, August 20, or November 20.

What is the role of the reporting person at Arista Networks (ANET)?

The reporting person is identified as a Director of Arista Networks, Inc. on the Form 4.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 11/24/2025 - 06:54 PM Learn about SEC filing dates

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).

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^*

CHEW LEWIS

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/20/2025

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	11/20/2025		M		971	A	$0.0(1)	29,290	D

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
Restricted Stock Unit-5	$0.0(1)	11/20/2025		M			971	(2)	(2)	Common Stock	971	$0.0	1,942	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

2. The reporting person was granted RSUs on May 30, 2025. 1/4th of the shares vest on August 20, 2025 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20.

	By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Lewis Chew	11/24/2025
	** 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.