Arista director granted 2,153 RSUs

CHEW LEWIS reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

CHEW LEWIS reported acquisition or exercise transactions in this Form 4 filing.

Arista Networks director Lewis Chew received a grant of 2,153 restricted stock units (RSUs) of Arista Networks, Inc. Common Stock. Each RSU represents a contingent right to receive one share upon vesting. The grant was made on May 29, 2026.

One quarter of the RSUs vest on August 20, 2026, with the remaining units vesting at the same rate on each quarterly vest date thereafter. Quarterly vest dates are defined as the first market trading day on or after February 20, May 20, August 20, or November 20. Following this award, Chew holds 2,153 RSUs directly.

Insider Trade Summary

Grant/Award: 2,153 shares

Grant/Award 1 txn

Insider CHEW LEWIS

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Unit-6	2,153	$0.00	$0.00

Holdings After Transaction: Restricted Stock Unit-6 — 2,153 contracts (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 29, 2026. 1/4th of the shares vest on August 20, 2026 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.

Key Figures

RSUs granted: 2,153 units Vesting start: August 20, 2026 Post-grant RSU holdings: 2,153 units +2 more

5 metrics

RSUs granted 2,153 units Restricted Stock Unit grant on May 29, 2026

Vesting start August 20, 2026 1/4 of RSUs vest on this date

Post-grant RSU holdings 2,153 units Total RSUs held directly following transaction

Quarterly vest dates First trading day on/after Feb 20, May 20, Aug 20, Nov 20 Defines subsequent RSU vesting dates

RSU grant price $0.00 per unit Compensation grant, not open-market purchase

Key Terms

Restricted Stock Unit, vest, quarterly vest date

3 terms

Restricted Stock Unit financial

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

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

vest financial

"1/4th of the shares vest on August 20, 2026 and will continue to vest at the same rate on each quarterly vest date thereafter."

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

quarterly vest date financial

"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 for Lewis Chew?

Arista Networks reported that director Lewis Chew received a grant of 2,153 restricted stock units. These RSUs are a form of equity compensation and give him the right to receive an equal number of Arista Networks, Inc. Common Stock shares as they vest over time.

How many RSUs did Lewis Chew receive from Arista Networks (ANET)?

Lewis Chew received 2,153 restricted stock units from Arista Networks, Inc. Each RSU converts into one share of Common Stock upon vesting, providing equity-based compensation that aligns his interests with shareholders as the units vest according to the stated schedule.

What is the vesting schedule for Lewis Chew’s Arista Networks (ANET) RSUs?

The RSUs granted to Lewis Chew vest over time. One quarter of the 2,153 units vest on August 20, 2026, and the remaining units continue vesting at the same rate on each quarterly vest date thereafter, subject to the defined trading-day-based vesting dates.

How are quarterly vest dates defined for Lewis Chew’s ANET RSUs?

Quarterly vest dates for the RSUs are defined as the first market trading day on or after February 20, May 20, August 20, or November 20. This means actual vesting occurs on trading days aligned with these calendar dates rather than on fixed calendar days.

Is Lewis Chew’s Arista Networks (ANET) RSU award an open-market stock purchase?

No, the RSU award is not an open-market stock purchase. It is a grant categorized as a grant, award, or other acquisition, with a transaction price per unit of $0.00, reflecting compensation rather than a cash purchase on the open market.

How many Arista Networks RSUs does Lewis Chew hold after this grant?

After the reported grant, Lewis Chew holds 2,153 restricted stock units. These RSUs are held directly and represent a contingent right to receive an equal number of Arista Networks, Inc. Common Stock shares as they vest according to the specified vesting schedule.

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

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Accepted by SEC EDGAR 06/02/2026 - 07:11 PM EDT 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 CALIFORNIA 95054

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/29/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

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-6	$0.0(1)	05/29/2026		A		2,153		(2)	(2)	Common Stock	2,153	$0.0	2,153	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 29, 2026. 1/4th of the shares vest on August 20, 2026 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	06/02/2026
	** 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).
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.
* Form 4: SEC 1474 (03-26)