[144] Arista Networks, Inc. SEC Filing

Rhea-AI Filing Summary

A shareholder of Arista Networks, Inc. has filed a notice to sell common stock through Fidelity Brokerage Services LLC on the NYSE. The securities section lists a planned sale of common stock associated with a proposed sale date of 07/10/2026.

The filing also details multiple prior sales of Arista Networks common stock by Jayshree Ullal during the previous three months, including individual transactions in April, May, and July 2026, each with specific share counts and corresponding proceeds figures.

Insights

Equity markets analyst

Large insider plans further stock sales after several sizable recent disposals.

The filing shows a planned sale of Arista Networks common stock by an insider through Fidelity Brokerage Services LLC, with trading to occur on the NYSE around 07/10/2026. This follows a series of substantial sales in the prior three months.

Recent transactions include sales of common stock such as 428,000 shares on 04/22/2026 for 75,944,310.87 in proceeds and 242,422 shares on 07/09/2026 for 45,616,262.39. While insider sales can reflect personal diversification or liquidity needs, they also reduce direct exposure to the company’s equity. Investors often contextualize such activity against overall ownership levels and company performance metrics released in periodic reports.

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Available on EDGAR 07/10/2026 - 04:17 PM Accepted by SEC EDGAR 07/10/2026 - 04:16 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
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

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 Stock	Fidelity Brokerage Services LLC 245 Summer Street Boston MA 02110	234578	43907277.00	1259202593	07/10/2026	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 Stock	09/22/2008	Stock Options exercise	Issuer			160802	09/22/2008	Wire
Common Stock	12/31/2013	Stock Options exercise	Issuer			73776	12/31/2013	Wire

* 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
Jayshree Ullal C/O Arista Networks, Inc. 5453 GREAT AMERICA PARKWAY Santa Clara CA 95054	Common Stock	04/13/2026	112812	16934671.85
Jayshree Ullal C/O Arista Networks, Inc. 5453 GREAT AMERICA PARKWAY Santa Clara CA 95054	Common Stock	04/16/2026	350000	55760635.00
Jayshree Ullal C/O Arista Networks, Inc. 5453 GREAT AMERICA PARKWAY Santa Clara CA 95054	Common Stock	04/20/2026	306139	51220717.14
Jayshree Ullal C/O Arista Networks, Inc. 5453 GREAT AMERICA PARKWAY Santa Clara CA 95054	Common Stock	04/21/2026	93861	15822496.06
Jayshree Ullal C/O Arista Networks, Inc. 5453 GREAT AMERICA PARKWAY Santa Clara CA 95054	Common Stock	04/22/2026	428000	75944310.87
Jayshree Ullal C/O Arista Networks, Inc. 5453 GREAT AMERICA PARKWAY, Santa Clara CA 95054	Common Stock	05/26/2026	13809	2141003.98
Jayshree Ullal C/O Arista Networks, Inc. 5453 GREAT AMERICA PARKWAY Santa Clara CA 95054	Common Stock	07/09/2026	242422	45616262.39

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)