Arista (ANET) Form 4: Director reports 1,000‑share disposition

Rhea-AI Filing Summary

Yvonne Wassenaar, a director of Arista Networks (ANET), reported a sale of company common stock. The Form 4 shows a transaction dated 08/19/2025 in which 1,000 shares were disposed (transaction code G) at a reported price of $0.0 (indicating a non‑priced or gift/transfer reporting convention). After the reported transaction, Wassenaar beneficially owned 11,476 shares, held directly. The filing was submitted by an attorney‑in‑fact on 08/21/2025. This Form 4 documents a single non‑derivative disposition by an insider and does not include option or other derivative activity.

Positive

• Insider disclosed the transaction promptly via a filed Form 4, maintaining regulatory transparency
• No derivative activity reported, simplifying the ownership picture to direct common stock holdings

Negative

• Insider disposed of 1,000 shares, reducing direct beneficial ownership to 11,476 shares
• Reported price shown as $0.0, so the filing does not provide sale price information for investors

Insights

Corporate Governance Expert

TL;DR: Director reported a small direct sale reducing holdings to 11,476 shares; routine insider Form 4 filing.

The report documents a direct disposition of 1,000 common shares by a board director. The form lists transaction code "G", which commonly indicates a transaction executed pursuant to a Rule 10b5‑1 trading plan or similar instruction, though the form text alone does not confirm plan details. The filing shows no derivatives, no changes in indirect ownership, and a direct ownership balance following the sale. For governance monitoring, this is a routine disclosure of insider trading activity rather than a corporate action or governance change.

Securities Analyst

TL;DR: One dated insider sale recorded; impact appears limited based on disclosed share counts.

The Form 4 records a single non‑derivative sale of 1,000 shares on 08/19/2025, leaving the reporting person with 11,476 shares beneficially owned. The filing includes no price per share (listed as $0.0), and no derivative instruments are reported. From a market‑impact perspective the disclosed quantities are modest and no additional context (such as sale price or trading plan text) is provided in the filing itself.

Insider Trade Summary

1,000 shares gifted

Mixed 1 txn

Insider Wassenaar Yvonne

Role Director

Type	Security	Shares	Price	Value
Gift	Common Stock	1,000	$0.00	--

Holdings After Transaction: Common Stock — 11,476 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

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^*

Wassenaar Yvonne

(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)
08/19/2025

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	08/19/2025		G		1,000	D	$0.0	11,476	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

Explanation of Responses:

	By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Yvonne Wassenaar	08/21/2025
	** 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 ANET director Yvonne Wassenaar report on Form 4?

The Form 4 reports a disposition of 1,000 common shares on 08/19/2025, leaving 11,476 shares beneficially owned.

When was the insider transaction for ANET reported?

The transaction date is 08/19/2025 and the Form 4 was submitted on 08/21/2025 by an attorney‑in‑fact.

Does the Form 4 show any options or derivative transactions for ANET insider?

No. Table II for derivative securities is blank and the filing reports only a non‑derivative sale of common stock.

What does the transaction code 'G' indicate on this Form 4?

The form shows transaction code G. The filing itself does not explain the code; the document does not include additional plan details or confirmation within the text provided.

Who signed or submitted the Form 4 for Yvonne Wassenaar?

The Form 4 was filed by Isabelle Bertin‑Bailly as Attorney‑in‑Fact for Yvonne Wassenaar on 08/21/2025.