Arista director adds 538 shares from RSU vesting

Q: What insider transaction did ANET director Mark B. Templeton report on August 20, 2026?

He reported the exercise and settlement of 538 RSUs into 538 shares of Arista Networks, Inc. common stock on August 20, 2026, at a stated exercise price of $0.00 per share.

Q: What indirect ANET holdings are reported for Mark B. Templeton?

The Form 4 shows an indirect holding of 75,200 ANET common shares held "by Spouse" in a trust for which the reporting person’s spouse serves as trustee.

Q: How many restricted stock units does Mark B. Templeton have after this ANET transaction?

Following the RSU conversion, Mark B. Templeton has 1,615 restricted stock units outstanding, each representing a contingent right to receive one share of Arista Networks, Inc. common stock upon vesting.

Q: What are the vesting terms of the RSUs reported by ANET for Mark B. Templeton?

The RSUs were granted on May 29, 2026. One-fourth vests on August 20, 2026, and the remainder continues 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.

Arista Networks, Inc. (ANET) director Mark B. Templeton reported the vesting and settlement of restricted stock units into common shares.

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Rhea-AI Filing Summary

Arista Networks, Inc. (ANET) director Mark B. Templeton reported the vesting and settlement of restricted stock units into common shares. On August 20, 2026, 538 RSUs converted into 538 shares of common stock at a stated exercise price of $0.00 per share. Following the transaction, he directly owns 58,410 common shares and has 1,615 RSUs outstanding. In addition, 75,200 common shares are held indirectly in a trust for which his spouse serves as trustee.

Insider Trade Summary

538 shares exercised/converted

Exercise 3 txns

Insider TEMPLETON MARK B

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit-8 ^{F1, F3}	538	$0.00	$0.00
Exercise	Common Stock ^F1	538	$0.00	$0.00
holding	Common Stock ^F2	--	--	--

Holdings After Transaction: Restricted Stock Unit-8 — 1,615 contracts (Direct); Common Stock — 58,410 shares (Direct); Common Stock — 75,200 shares (Indirect, by Spouse)

Footnotes (3)

F1. Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
F2. These shares are held in a trust for which the reporting person's spouse serves as trustee.
F3. 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 exercised: 538 units Common shares acquired from RSU conversion: 538 shares Direct common share holdings after transaction: 58,410 shares +3 more

6 metrics

RSUs exercised 538 units Restricted Stock Units converted into common stock on August 20, 2026

Common shares acquired from RSU conversion 538 shares Shares of Arista Networks, Inc. common stock received on August 20, 2026

Direct common share holdings after transaction 58,410 shares Direct ownership of Arista Networks, Inc. common stock following the Form 4 transactions

Indirect common share holdings by spouse’s trust 75,200 shares Indirect ownership reported as held in a trust for which the spouse serves as trustee

RSUs outstanding after transaction 1,615 units Remaining restricted stock units, each convertible into one common share upon vesting

RSU grant date May 29, 2026 Grant date of the RSUs subject to the reported vesting and conversion

Key Terms

Restricted Stock Unit, contingent right, quarterly vest date, market trading day

4 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.

contingent right financial

"represents a contingent right to receive one share of Arista Networks, Inc."

quarterly vest date financial

"A quarterly vest date is the first market trading day on or after February 20"

market trading day financial

"A quarterly vest date is the first market trading day on or after February 20"

FAQ

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What insider transaction did ANET director Mark B. Templeton report on August 20, 2026?

He reported the exercise and settlement of 538 RSUs into 538 shares of Arista Networks, Inc. common stock on August 20, 2026, at a stated exercise price of $0.00 per share.

How many ANET common shares does Mark B. Templeton hold directly after this Form 4?

After the reported transaction, Mark B. Templeton directly holds 58,410 shares of Arista Networks, Inc. common stock, as disclosed in the Form 4.

What indirect ANET holdings are reported for Mark B. Templeton?

The Form 4 shows an indirect holding of 75,200 ANET common shares held "by Spouse" in a trust for which the reporting person’s spouse serves as trustee.

How many restricted stock units does Mark B. Templeton have after this ANET transaction?

Following the RSU conversion, Mark B. Templeton has 1,615 restricted stock units outstanding, each representing a contingent right to receive one share of Arista Networks, Inc. common stock upon vesting.

What are the vesting terms of the RSUs reported by ANET for Mark B. Templeton?

The RSUs were granted on May 29, 2026. One-fourth vests on August 20, 2026, and the remainder continues 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.

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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^*

TEMPLETON MARK B

(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⁾	58,410	D
Common Stock								75,200	I	by Spouse⁽²⁾

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-8	$0.0⁽¹⁾	08/20/2026		M			538	⁽³⁾	⁽³⁾	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. These shares are held in a trust for which the reporting person's spouse serves as trustee.

3. 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: Mark Templeton	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