Arista’s Jayshree Ullal to sell 13,809 more shares

Arista Networks, Inc. (ANET) is identified as the issuer in a notice that Jayshree Ullal plans to sell 13,809 shares of Arista common stock under Rule 144 through Fidelity Brokerage Services LLC.

Rhea-AI Filing Summary

Arista Networks, Inc. (ANET) is identified as the issuer in a notice that Jayshree Ullal plans to sell 13,809 shares of Arista common stock under Rule 144 through Fidelity Brokerage Services LLC. The notice states a market value for these shares of $2,648,491.63 and lists Arista common stock outstanding as 1,261,224,648 shares as of 08/25/2026. The filing also discloses prior sales by Ullal over the past three months, including transactions of 1,099,495 shares for $221,239,724.20 and 573,509 shares for $119,364,084.06.

Key Figures

Shares to be sold: 13,809 shares Market value of shares to be sold: $2,648,491.63 Shares outstanding: 1,261,224,648 shares +5 more

8 metrics

Shares to be sold 13,809 shares Planned sale of Arista Networks common stock under Rule 144

Market value of shares to be sold $2,648,491.63 Aggregate market value for 13,809 shares in the notice

Shares outstanding 1,261,224,648 shares Arista Networks common stock outstanding as of 08/25/2026

Sale 08/05/2026 1,099,495 shares; $221,239,724.20 Common stock sold by Jayshree Ullal on 08/05/2026

Sale 08/12/2026 573,509 shares; $119,364,084.06 Common stock sold by Jayshree Ullal on 08/12/2026

Sale 07/09/2026 242,422 shares; $45,616,262.39 Common stock sold by Jayshree Ullal on 07/09/2026

Sale 07/10/2026 234,578 shares; $43,907,277.00 Common stock sold by Jayshree Ullal on 07/10/2026

Sale 05/26/2026 13,809 shares; $2,141,003.98 Common stock sold by Jayshree Ullal on 05/26/2026

Key Terms

Rule 144, attorney-in-fact, PSU

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

attorney-in-fact regulatory

"as attorney-in-fact for Jayshree Ullal"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

PSU financial

"Common Stock | 08/21/2026 | PSU | Issuer"

A PSU is a company where the government owns a controlling stake and often plays a direct role in its management and strategy. Think of it like a business that operates with public oversight, similar to a town-run utility versus a private neighborhood service. Investors watch PSUs differently because government involvement can affect profits, dividend policies, regulatory treatment and stability, so these stocks may behave more like policy instruments than pure market-driven enterprises.

FAQ

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

What does the Form 144 filing mean for Arista Networks, Inc. (ANET)?

The Form 144 reports that Jayshree Ullal intends to sell 13,809 shares of Arista Networks common stock under Rule 144. It is a notice of a proposed sale by an affiliate and does not change Arista’s capital structure by itself.

How many Arista Networks (ANET) shares are covered by this Form 144?

The notice covers a proposed sale of 13,809 shares of Arista Networks common stock. The filing associates these shares with an aggregate market value of $2,648,491.63 at the time of the notice.

How many Arista Networks (ANET) shares were outstanding as of the date in the filing?

The filing lists Arista Networks common stock outstanding as 1,261,224,648 shares as of 08/25/2026. This figure provides a baseline for understanding the scale of the proposed and recent sales.

What Arista Networks (ANET) stock sales has Jayshree Ullal made in the past three months?

The notice lists several sales of Arista common stock, including 1,099,495 shares for $221,239,724.20 on 08/05/2026 and 573,509 shares for $119,364,084.06 on 08/12/2026, along with smaller transactions on 05/26/2026, 07/09/2026, and 07/10/2026.

Who is acting as broker for the proposed Arista Networks (ANET) share sale?

The filing names Fidelity Brokerage Services LLC as the broker for the proposed sale of 13,809 shares of Arista Networks common stock, with the shares listed on the NYSE.

When is the proposed sale of Arista Networks (ANET) shares expected to occur?

The notice indicates a proposed sale date of 08/21/2026 for the 13,809 shares of Arista Networks common stock covered by this Form 144.

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

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Available on EDGAR 08/25/2026 - 11:45 AM EDT Accepted by SEC EDGAR 08/25/2026 - 11:44 AM EDT 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	0001605809
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	Ullal Jayshree
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
Relationship to Issuer	Director

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	13809	2648491.63	1261224648	08/25/2026	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	08/21/2026	PSU	Issuer			13809	08/21/2026	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	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
Jayshree Ullal C/O Arista Networks, Inc. 5453 GREAT AMERICA PARKWAY, Santa Clara CA 95054	Common Stock	07/10/2026	234578	43907277.00
Jayshree Ullal C/O Arista Networks, Inc. 5453 GREAT AMERICA PARKWAY Santa Clara CA 95054	Common Stock	08/05/2026	1099495	221239724.20
Jayshree Ullal C/O Arista Networks, Inc. 5453 GREAT AMERICA PARKWAY, Santa Clara CA 95054	Common Stock	08/12/2026	573509	119364084.06

144: Remarks and Signature

Remarks
Date of Notice	08/25/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/14/2025
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	Audrey Skillern, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Jayshree Ullal
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)