Arista (ANET) Director Giancarlo Receives 971 Shares on RSU Vesting

Charles Giancarlo, a director of Arista Networks (ANET), reported the vesting and receipt of restricted stock units and his resulting holdings.

Rhea-AI Filing Summary

Charles Giancarlo, a director of Arista Networks (ANET), reported the vesting and receipt of restricted stock units and his resulting holdings. On 08/20/2025 he was credited with 971 shares from vested restricted stock units (reported as acquisition code M at $0.0 per share). After the transaction he beneficially owns 220,607 shares directly. He also reports indirect holdings of 50,000 shares in a Charitable Remainder Trust and 57,784 shares in a family trust, for which he is co-trustee. The filing notes the RSUs were granted on 05/30/2025 with 1/4th vesting on 08/20/2025 and subsequent quarterly vest dates.

Positive

• 971 RSUs vested and were reported as acquired on 08/20/2025
• Direct beneficial ownership of 220,607 shares remains substantial
• Indirect holdings disclosed: 50,000 shares in a Charitable Remainder Trust and 57,784 shares in a family trust (co-trustee)

Negative

• None.

Insights

Securities Analyst

TL;DR: Routine executive equity vesting increased direct holdings by 971 shares; overall ownership remains concentrated via direct and trust holdings.

This Form 4 documents a standard equity compensation vesting event: 971 restricted stock units vested and were reported as acquired on 08/20/2025 at $0.0 per share, consistent with standard RSU mechanics. The reporting person retains sizable direct ownership (220,607 shares) and additional indirect holdings (50,000 and 57,784 shares) via trusts where he is co-trustee. There is no indication of sales or debt-related disposals in this filing. For investors, this is a routine insider disclosure reflecting compensation realization rather than a liquidity event or change in control.

Corporate Governance Specialist

TL;DR: Governance disclosure shows compliance with Section 16 reporting for an RSU vesting; no adverse governance signals present.

The report is a straightforward Section 16 filing showing that RSUs granted 05/30/2025 began vesting, with one-quarter vesting on 08/20/2025 and subsequent quarterly vest dates described. The reporting person is identified as a director and co-trustee for two trusts holding shares, which is disclosed appropriately. The filing was signed by an attorney-in-fact and includes explanatory footnotes clarifying trust ownership and vesting schedule. There are no departures, sales, or other governance red flags disclosed here.

Insider Trade Summary

971 shares exercised/converted

Exercise 4 txns

Insider Giancarlo Charles H

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit-6	971	$0.00	$0.00
Exercise	Common Stock	971	$0.00	$0.00
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Unit-6 — 2,913 contracts (Direct); Common Stock — 220,607 shares (Direct); Common Stock — 50,000 shares (Indirect, Charitable Trust); Common Stock — 57,784 shares (Indirect, by Trust)

Footnotes (4)

1. F1. Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
2. F2. These shares are held by a Charitable Remainder Trust for which the reporting person is co-trustee.
3. F3. These shares are held by a family trust for which the reporting person is co-trustee.
4. F4. 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.

FAQ

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

What did Charles Giancarlo report on Form 4 for ANET?

He reported the acquisition via vesting of 971 shares from restricted stock units on 08/20/2025 and disclosed his beneficial holdings.

How many shares does the reporting person directly own after the transaction?

The filing shows 220,607 shares beneficially owned directly following the reported transaction.

Does the filing disclose any indirect ownership for ANET insider Charles Giancarlo?

Yes. It discloses 50,000 shares held by a Charitable Remainder Trust and 57,784 shares held by a family trust, with the reporting person as co-trustee.

What was the price reported for the vested RSUs?

The RSUs are reported with a price of $0.0 per share, consistent with typical restricted stock unit vesting disclosures.

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 with the remainder vesting quarterly on or after Feb 20, May 20, Aug 20, and Nov 20 market trading days.

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

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Accepted by SEC EDGAR 08/22/2025 - 09:02 PM 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^*

Giancarlo Charles H

(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)	220,607	D
Common Stock								50,000	I	Charitable Trust(2)
Common Stock								57,784	I	by Trust(3)

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	(4)	(4)	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. These shares are held by a Charitable Remainder Trust for which the reporting person is co-trustee.

3. These shares are held by a family trust for which the reporting person is co-trustee.

4. 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: Charles Giancarlo	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.