[Form 4] Arista Networks Insider Trading Activity

Rhea-AI Filing Summary

Arista Networks director Daniel Scheinman received 971 restricted stock units that vested on 08/20/2025, converting into 971 shares of common stock. The RSUs were originally granted on 05/30/2025 with 1/4 of the award vesting on 08/20/2025 and the remainder vesting quarterly thereafter on the first trading day on or after Feb 20, May 20, Aug 20, and Nov 20. After this transaction the reporting person beneficially owns 155,279 shares of Arista common stock. The Form 4 reports the ordinary vesting of equity compensation by a director and shows a direct ownership form.

Insights

Corporate Governance Expert

TL;DR: Director RSU vesting is routine and signals continued executive alignment with shareholders.

The reported transaction is a scheduled vesting of previously granted restricted stock units rather than an opportunistic purchase or sale. The grant date (05/30/2025) and the quarterly vesting schedule are disclosed, with 971 RSUs vesting on 08/20/2025 and converting to common shares. This is standard equity compensation practice intended to retain and align directors with long-term shareholder interests. The disclosure shows direct beneficial ownership and complies with Section 16 reporting requirements. Materiality to investors is limited absent larger insider buying or selling activity.

Securities Analyst

TL;DR: The transaction is routine vesting; it has negligible immediate market impact.

The Form 4 documents 971 shares issued upon RSU vesting, increasing the reporting person’s direct holdings to 155,279 shares. No cash consideration was paid as RSUs converted to shares at $0.0 per the filing note. There is no indication of additional derivative activity or market transactions tied to this filing. For investors, this is a normal compensation-related issuance and not a signal of material insider trading or corporate event.

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

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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 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)
08/20/2025

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	08/20/2025		M		971	A	$0.0(1)	155,279	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-6	$0.0(1)	08/20/2025		M			971	(2)	(2)	Common Stock	971	$0.0	2,913	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: Daniel Scheinman	08/22/2025
	** 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.

FAQ

What did Arista director Daniel Scheinman receive on 08/20/2025 (ANET)?

The director had 971 restricted stock units vest on 08/20/2025, which converted into 971 shares of Arista Networks common stock.

How many shares does Daniel Scheinman beneficially own after the reported transaction?

After the vesting, the reporting person beneficially owns 155,279 shares of Arista Networks common stock.

When were the RSUs originally granted and what is the vesting schedule?

The RSUs were granted on 05/30/2025. One-quarter vested on 08/20/2025 and the remainder vests quarterly on the first trading day on or after Feb 20, May 20, Aug 20, and Nov 20.

Was there any cash paid for the shares received on vesting?

No cash was reported; the filing shows a price of $0.0 for the RSU conversion to common stock.

Does this Form 4 indicate any sales or market transactions by the director?

No. The Form 4 reports an acquisition via RSU vesting (transaction code M) and no disposals or market sales are listed.