Arista Networks director exercises 807 RSUs

Arista Networks director Robert G. Lavender exercised restricted stock units into common shares.

Rhea-AI Filing Summary

Arista Networks director Robert G. Lavender exercised restricted stock units into common shares. On May 20, 2026, he converted 807 restricted stock units into 807 shares of Arista Networks, Inc. common stock through a derivative exercise.

Following this routine vesting-related transaction, Lavender directly holds 4,069 shares of common stock. The footnotes explain that each restricted stock unit represents a contingent right to receive one share upon vesting and that these RSUs were part of a March 14, 2025 grant that vests in quarterly installments.

Insider Trade Summary

807 shares exercised/converted

Exercise 2 txns

Insider Lavender Robert G

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit-2	807	$0.00	$0.00
Exercise	Common Stock	807	$0.00	$0.00

Holdings After Transaction: Restricted Stock Unit-2 — 0 contracts (Direct); Common Stock — 4,069 shares (Direct)

Footnotes (3)

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 sum of the shares reflects a rounded whole number of shares held. The actual number includes a fractional share of stock.
3. F3. The reporting person was granted RSUs on March 14, 2025. 1/4th of the shares vested 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.

Key Figures

RSUs exercised: 807 shares Shares held after transaction: 4,069 shares Exercise transactions: 1 transaction +1 more

4 metrics

RSUs exercised 807 shares Restricted stock units converted to common stock on May 20, 2026

Shares held after transaction 4,069 shares Director Robert G. Lavender direct common stock holdings post-exercise

Exercise transactions 1 transaction Exercise or conversion of derivative security reported in Form 4

Exercise price per RSU $0.0000 per unit Stated conversion price for restricted stock units

Key Terms

Restricted Stock Unit, contingent right, quarterly vest date, derivative exercise/conversion

4 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.

contingent right financial

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

quarterly vest date financial

"1/4th of the shares vested on August 20, 2025 and will continue to vest at the same rate on each quarterly vest date thereafter."

derivative exercise/conversion financial

"transaction_action": "derivative exercise/conversion"

FAQ

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

What insider transaction did Arista Networks (ANET) director Robert G. Lavender report?

Robert G. Lavender reported exercising 807 restricted stock units into 807 shares of Arista Networks common stock. This was a derivative exercise, not an open-market purchase or sale, and reflects scheduled equity compensation vesting rather than a discretionary trade in the market.

How many Arista Networks (ANET) shares does Robert G. Lavender hold after this Form 4?

After the transaction, Robert G. Lavender directly holds 4,069 shares of Arista Networks common stock. This total includes the 807 shares received from the restricted stock unit conversion reported, and reflects a rounded whole number of shares according to the filing footnotes.

What type of securities were involved in Robert G. Lavender’s Arista Networks (ANET) Form 4?

The filing involves restricted stock units that converted into common stock. Specifically, 807 restricted stock units, each representing a contingent right to one common share upon vesting, were exercised into 807 shares of Arista Networks, Inc. common stock at a stated price of $0.0000 per unit.

Is Robert G. Lavender’s Arista Networks (ANET) Form 4 a stock sale or purchase?

The Form 4 does not show a market sale or purchase; it reports a derivative exercise. Lavender converted 807 restricted stock units into 807 common shares as part of an equity award vesting schedule, with no open-market buying or selling activity disclosed in this transaction.

How do Robert G. Lavender’s Arista Networks (ANET) restricted stock units vest?

Lavender’s restricted stock units were granted on March 14, 2025. According to the footnotes, one-quarter vested on August 20, 2025 and the remaining units continue to vest at the same rate on each quarterly vest date, tied to specific February, May, August, and November trading days.

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

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Accepted by SEC EDGAR 05/22/2026 - 06:47 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^*

Lavender Robert G

(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)
05/20/2026

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
Common Stock	05/20/2026		M		807	A	$0.0(1)	4,069(2)	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-2	$0.0(1)	05/20/2026		M			807	(3)	(3)	Common Stock	807	$0.0	0	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 sum of the shares reflects a rounded whole number of shares held. The actual number includes a fractional share of stock.

3. The reporting person was granted RSUs on March 14, 2025. 1/4th of the shares vested 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: Greg Lavender	05/22/2026
	** 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)