[144] Arista Networks, Inc. SEC Filing

A holder of ANET common stock has filed a Form 144 notice to sell 24,000 common shares through J.P.

Rhea-AI Filing Summary

A holder of ANET common stock has filed a Form 144 notice to sell 24,000 common shares through J.P. Morgan Securities LLC on the NYSE, with an aggregate market value of 3,027,120 and 1,259,285,070 common shares shown as outstanding. The planned sale date is approximately 12/17/2025.

The shares to be sold were acquired on 02/27/2025 via a Grantor Annuity Trust distribution from Kenneth and Jennifer Duda, with 24,000 shares recorded as acquired and a payment date of 11/21/2022. The notice also lists prior sales during the past three months by Kenneth Duda, two Duda 2017 family trusts, and the Foundation for Truth, Justice, and Compassion, including repeated monthly sales of 30,000, 8,000 and 10,000 common shares, respectively. The signer represents that they are not aware of undisclosed material adverse information about the issuer.

FAQ

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

What sale of ANET shares is disclosed in the Form 144?

The notice covers a planned sale of 24,000 shares of ANET common stock through J.P. Morgan Securities LLC on the NYSE, with an approximate sale date of 12/17/2025 and an aggregate market value of 3,027,120.

How many ANET shares are outstanding in this Form 144 notice?

The securities information table lists 1,259,285,070 common shares outstanding.

How were the ANET shares in this Form 144 acquired?

The securities to be sold were acquired on 02/27/2025 through a Grantor Annuity Trust distribution from Kenneth and Jennifer Duda, with 24,000 shares shown as acquired and a payment date of 11/21/2022.

Which broker is handling the ANET Form 144 sale?

The broker named is J.P. Morgan Securities LLC, located at 270 Park Avenue - 10th Floor, New York, NY 10017.

What recent ANET stock sales are listed for the past three months?

The past three months section lists ANET common stock sales by Kenneth Duda, the Molly Hsu-Mei Duda 2017 Trust, the Sophie Hsu-Tsen Duda 2017 Trust, and the Foundation for Truth, Justice, and Compassion, including repeated monthly sales of 30,000, 8,000, and 10,000 shares on dates from 09/17/2025 to 11/17/2025.

What representation does the seller make in the ANET Form 144?

By signing the notice, the person for whose account the securities are to be sold represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.

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

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Accepted by SEC EDGAR 12/17/2025 - 06:42 PM Learn about SEC filing dates

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	0001605808
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Arista Networks, Inc.
SEC File Number	001-36468
Address of Issuer	5453 Great America Parkway Santa Clara CALIFORNIA 95054
Phone	408-547-5500
Name of Person for Whose Account the Securities are To Be Sold	Kenneth Duda
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	Officer

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 270 Park Avenue - 10th Floor New York NY 10017	24000	3027120	1259285070	12/17/2025	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	09/17/2025	30000	4248950.97
Kenneth Duda C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	10/17/2025	30000	4282398
Kenneth Duda C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	11/17/2025	30000	3858423
Molly Hsu-Mei Duda 2017 Trust C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	09/17/2025	8000	1133053.59
Molly Hsu-Mei Duda 2017 Trust C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	10/17/2025	8000	1141972.80
Molly Hsu-Mei Duda 2017 Trust C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	11/17/2025	8000	1028912.8
Sophie Hsu-Tsen Duda 2017 Trust C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	09/17/2025	8000	1133053.59
Sophie Hsu-Tsen Duda 2017 Trust C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	10/17/2025	8000	1141972.80
Sophie Hsu-Tsen Duda 2017 Trust C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	11/17/2025	8000	1028912.8
Foundation for Truth, Justice, and Compassion C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	09/17/2025	10000	1416316.99
Foundation for Truth, Justice, and Compassion C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	10/17/2025	10000	1427466.00
Foundation for Truth, Justice, and Compassion C/O Issuer 5453 Great America Parkway Santa Clara CA 95054	Common	11/17/2025	10000	1286141

144: Remarks and Signature

Remarks	The shares filed for today will be sold by Sophie Hsu-Tsen Duda 2017 Trust - Kenneth Duda as Trustee. This filing is for Restricted Stock Units acquired by Kenneth Duda between November 30, 2010 and November 21, 2022.
Date of Notice	12/17/2025
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/13/2025
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	/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Kenneth Duda
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)