Arista director’s RSUs vest into 538 new shares

Q: What insider transaction did ANET director Daniel Scheinman report on August 20, 2026?

He reported the vesting and conversion of 538 Restricted Stock Units into 538 shares of Arista Networks, Inc. Common Stock on August 20, 2026, as part of a scheduled RSU vesting.

Q: How many Restricted Stock Units remain for Daniel Scheinman after the August 20, 2026 vesting at ANET?

After 538 RSUs vested on August 20, 2026, the filing reports that 1,615 Restricted Stock Units remain outstanding for Daniel Scheinman.

Q: What is the vesting schedule of Daniel Scheinman’s RSUs at Arista Networks (ANET)?

The RSUs were granted on May 29, 2026. One-quarter of the shares vest on August 20, 2026, and the remaining RSUs continue to vest at the same rate on each quarterly vest date thereafter.

Q: How are quarterly vest dates defined for Daniel Scheinman’s RSUs at ANET?

A quarterly vest date is defined as the first market trading day on or after February 20, May 20, August 20, or November 20, according to the RSU footnote.

Arista Networks, Inc. (ANET) director Daniel Scheinman reported vesting of restricted stock units and the related issuance of common shares.

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Form Type

Rhea-AI Filing Summary

Arista Networks, Inc. (ANET) director Daniel Scheinman reported vesting of restricted stock units and the related issuance of common shares. On August 20, 2026, 538 RSUs converted into 538 shares of Common Stock, leaving 1,615 RSUs outstanding and increasing his directly held common shares to 158,730. The RSUs were granted on May 29, 2026, with one-quarter vesting on August 20, 2026 and additional tranches vesting on future quarterly vest dates.

Insider Trade Summary

538 shares exercised/converted

Exercise 2 txns

Insider Scheinman Daniel

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit-7 ^{F1, F2}	538	$0.00	$0.00
Exercise	Common Stock ^F1	538	$0.00	$0.00

Holdings After Transaction: Restricted Stock Unit-7 — 1,615 contracts (Direct); Common Stock — 158,730 shares (Direct)

Footnotes (2)

F1. Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
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 converted: 538 shares Common Stock after transaction: 158,730 shares RSUs remaining: 1,615 units +2 more

5 metrics

RSUs converted 538 shares Restricted Stock Units converted into Common Stock on August 20, 2026

Common Stock after transaction 158,730 shares Directly held by Daniel Scheinman following the August 20, 2026 conversion

RSUs remaining 1,615 units Restricted Stock Units reported following the August 20, 2026 vesting event

RSU vesting on event date 1/4 of granted RSUs Portion of RSUs vesting on August 20, 2026 from the May 29, 2026 grant

RSU grant date May 29, 2026 Grant date for the Restricted Stock Units that began vesting August 20, 2026

Key Terms

Restricted Stock Unit, quarterly vest date, Exercise or conversion of derivative security

3 terms

Restricted Stock Unit financial

"Each restricted stock unit represents a contingent right to receive one share"

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.

quarterly vest date financial

"A quarterly vest date is the first market trading day on or after"

Exercise or conversion of derivative security financial

"transaction_code_description: Exercise or conversion of derivative security"

FAQ

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

What insider transaction did ANET director Daniel Scheinman report on August 20, 2026?

He reported the vesting and conversion of 538 Restricted Stock Units into 538 shares of Arista Networks, Inc. Common Stock on August 20, 2026, as part of a scheduled RSU vesting.

How many Arista Networks (ANET) common shares does Daniel Scheinman hold after this Form 4?

Following the August 20, 2026 RSU conversion, Daniel Scheinman directly holds 158,730 shares of Arista Networks, Inc. Common Stock as reported in the filing.

How many Restricted Stock Units remain for Daniel Scheinman after the August 20, 2026 vesting at ANET?

After 538 RSUs vested on August 20, 2026, the filing reports that 1,615 Restricted Stock Units remain outstanding for Daniel Scheinman.

What is the vesting schedule of Daniel Scheinman’s RSUs at Arista Networks (ANET)?

The RSUs were granted on May 29, 2026. One-quarter of the shares vest on August 20, 2026, and the remaining RSUs continue to vest at the same rate on each quarterly vest date thereafter.

How are quarterly vest dates defined for Daniel Scheinman’s RSUs at ANET?

A quarterly vest date is defined as the first market trading day on or after February 20, May 20, August 20, or November 20, according to the RSU footnote.

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

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Available on EDGAR 08/24/2026 - 06:13 PM EDT Accepted by SEC EDGAR 08/24/2026 - 06:12 PM EDT

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^*

Scheinman Daniel

(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)
08/20/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/20/2026		M		538	A	$0.0⁽¹⁾	158,730	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Unit-7	$0.0⁽¹⁾	08/20/2026		M			538	⁽²⁾	⁽²⁾	Common Stock	538	$0.0	1,615	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: Daniel Scheinman	08/24/2026
	** 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)

Source: View Original Filing on SEC EDGAR