STOCK TITAN

ANET director updates holdings after 971 RSUs convert to shares

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Arista Networks (ANET) director equity transaction: Director Charles Giancarlo reported the vesting and settlement of 971 restricted stock units into 971 shares of Arista Networks common stock on 11/20/2025, at an exercise price of $0.0. After this transaction, he beneficially owned 221,578 shares directly and 33,784 shares indirectly through a family trust where he is co-trustee. The RSUs were granted on May 30, 2025, with one quarter of the award vesting on August 20, 2025 and the remaining shares continuing to vest on each quarterly vest date, defined as the first market trading day on or after February 20, May 20, August 20, or November 20.

Positive

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Insider Giancarlo Charles H
Role Director
Type Security Shares Price Value
Exercise Restricted Stock Unit-6 971 $0.00 --
Exercise Common Stock 971 $0.00 --
holding Common Stock -- -- --
Holdings After Transaction: Restricted Stock Unit-6 — 1,942 shares (Direct); Common Stock — 221,578 shares (Direct); Common Stock — 33,784 shares (Indirect, by Trust)
Footnotes (1)
  1. Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. These shares are held by a family trust for which the reporting person is co-trustee. 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.
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)
11/20/2025
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 11/20/2025 M 971 A $0.0(1) 221,578 D
Common Stock 33,784 I by Trust(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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Unit-6 $0.0(1) 11/20/2025 M 971 (3) (3) Common Stock 971 $0.0 1,942 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 family trust for which the reporting person is co-trustee.
3. 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 11/24/2025
** 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 Networks (ANET) report in this Form 4 filing?

The filing reports that director Charles Giancarlo had 971 restricted stock units convert into 971 shares of Arista Networks common stock on 11/20/2025.

How many Arista Networks (ANET) shares does the director own after this transaction?

Following the transaction, the director beneficially owned 221,578 shares directly and 33,784 shares indirectly through a family trust for which he is co-trustee.

What are the terms of the RSU grant reported for ANET?

The director was granted RSUs on May 30, 2025. One quarter of the shares vested on August 20, 2025, and the remaining shares continue to vest on each quarterly vest date.

How are quarterly vest dates defined for these Arista Networks RSUs?

Quarterly vest dates are defined as the first market trading day on or after February 20, May 20, August 20, or November 20.

What does each Arista Networks RSU represent in this Form 4?

Each restricted stock unit represents a contingent right to receive one share of Arista Networks common stock upon vesting.

How many derivative securities remain after the RSU transaction?

After the reported transaction, the director held 1,942 derivative securities in the form of restricted stock units.