[144] Arista Networks, Inc. SEC Filing

Rhea-AI Filing Summary

Arista Networks Form 144: This notice reports a proposed sale of 24,000 shares of Arista Networks common stock through J.P. Morgan Securities with an aggregate market value of $3,411,840 and an approximate sale date of 09/17/2025. The shares were distributed to the filer on 02/27/2025 as a Grantor Annuity Trust distribution from Kenneth and Jennifer Duda. The filing also discloses prior open-market sales by related parties over the past three months: Kenneth Duda sold 90,000 shares (three sales of 30,000), two 2017 trusts each sold 24,000 (three sales of 8,000 each), and a foundation sold 30,000 (three sales of 10,000 each), for a combined 168,000 shares sold in the prior three months. Total shares outstanding are reported as 1,256,865,381, indicating these transactions are a small fraction of outstanding shares.

Insights

Securities Analyst

TL;DR: Insider-related selling disclosed, but volume is immaterial relative to total shares outstanding.

The filing documents a proposed sale of 24,000 shares valued at $3.41 million and prior related-party sales totaling 168,000 shares over three months. Given the reported 1.256 billion shares outstanding, the disclosed sales represent a negligible percentage of the float and are unlikely to meaningfully affect liquidity or share valuation on their own. The clear disclosure via Form 144 and use of a major broker reduce execution and regulatory risk for the transactions.

Corporate Governance Expert

TL;DR: The filing shows routine compliance with Rule 144 for distributions and subsequent sales; note concentration of family/trust sellers.

The securities were acquired by distribution from a Grantor Annuity Trust and planned for resale through an institutional broker, consistent with typical compliance practice. Multiple related parties (individual, trusts, foundation) have executed periodic sales in recent months, which is relevant for disclosure and governance assessment but does not indicate a regulatory or disclosure breach. The representation that the seller lacks undisclosed material information is included as required on the form.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	J.P. Morgan Securities LLC 360 Madison Avenue - 6th Floor New York NY 10017	24000	3411840	1256865381	09/17/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/27/2025	Grantor Annuity Trust distribution	Kenneth and Jennifer Duda			24000	11/21/2022	NA

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Kenneth Duda C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	06/17/2025	30000	2766894
Kenneth Duda C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	07/17/2025	30000	3335757
Kenneth Duda C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	08/18/2025	30000	4095195
Molly Hsu-Mei Duda 2017 Trust C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	06/17/2025	8000	737838.4
Molly Hsu-Mei Duda 2017 Trust C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	07/17/2025	8000	889535.2
Molly Hsu-Mei Duda 2017 Trust C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	08/18/2025	8000	1092052
Sophie Hsu-Tsen Duda 2017 Trust C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	06/17/2025	8000	737838.4
Sophie Hsu-Tsen Duda 2017 Trust C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	07/17/2025	8000	889535.2
Sophie Hsu-Tsen Duda 2017 Trust C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	08/18/2025	8000	1092052
Foundation for Truth, Justice, and Compassion C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	06/17/2025	10000	922298
Foundation for Truth, Justice, and Compassion C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	07/17/2025	10000	1111919
Foundation for Truth, Justice, and Compassion C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	08/18/2025	10000	1365065

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does Arista Networks' Form 144 filed for ANET disclose?

The filing discloses a proposed sale of 24,000 common shares valued at $3,411,840 through J.P. Morgan Securities with an approximate sale date of 09/17/2025.

Who acquired the shares being sold according to the Form 144?

The shares were acquired by a Grantor Annuity Trust distribution on 02/27/2025 from Kenneth and Jennifer Duda.

How many shares were sold by related parties in the past three months per the filing?

Related parties sold a combined 168,000 shares over three months: Kenneth Duda 90,000, two 2017 trusts 24,000 each, and a foundation 30,000.

What broker will execute the proposed sale?

The proposed sale is to be executed by J.P. Morgan Securities LLC (360 Madison Avenue, New York).

How large are these sales relative to total shares outstanding?

Total shares outstanding are reported as 1,256,865,381; the proposed 24,000-share sale and recent 168,000-share activity are a very small fraction of outstanding shares.