Arista exec Jayshree Ullal reports 1.29M-share sales

Arista Networks reported Form 144 notices for shares sold by Jayshree Ullal.

Rhea-AI Filing Summary

Arista Networks reported Form 144 notices for shares sold by Jayshree Ullal. The filings list five Common Stock dispositions executed via wire on 04/13/2026, 04/16/2026, 04/20/2026, 04/21/2026, and 04/22/2026, totaling 1,290,812 shares in aggregate across those dates. Each line in the excerpt shows the share count and gross proceeds for the specific sale.

Insights

Corporate Governance Analyst

Multiple large officer dispositions reported; timing and proceeds are explicit per sale.

The excerpt lists five separate Common Stock sales by Jayshree Ullal on 04/13/2026, 04/16/2026, 04/20/2026, 04/21/2026, and 04/22/2026, with per-sale share counts and gross proceeds shown. The transactions are recorded as executed by wire.

Cash‑flow treatment and any post‑transaction holdings are not detailed in the excerpt; subsequent public filings or Forms 4/5 would show remaining ownership and any tax/withholding mechanics.

Key Figures

Sale on 04/13/2026: 112,812 shares Sale on 04/16/2026: 350,000 shares Sale on 04/20/2026: 306,139 shares +4 more

7 metrics

Sale on 04/13/2026 112,812 shares sale dated <date>04/13/2026</date>

Sale on 04/16/2026 350,000 shares sale dated <date>04/16/2026</date>

Sale on 04/20/2026 306,139 shares sale dated <date>04/20/2026</date>

Sale on 04/21/2026 93,861 shares sale dated <date>04/21/2026</date>

Sale on 04/22/2026 428,000 shares sale dated <date>04/22/2026</date>

Aggregate shares (sum of listed sales) 1,290,812 shares aggregate of five listed April 2026 sales

Per‑sale proceeds examples $16,934,671.85; $55,760,635.00; $51,220,717.14 gross proceeds shown for 04/13, 04/16, 04/20 sales

Key Terms

Form 144, PSU, Wire, Common Stock

4 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

PSU financial

"Common Stock | 05/22/2026 | 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.

Wire financial

"05/22/2026 | Wire"

Common Stock market

"Common Stock | Fidelity Brokerage Services LLC"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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

What did Jayshree Ullal sell in the ANET Form 144 filings?

The filings show five sales of Common Stock by Jayshree Ullal. The transactions occurred on 04/13/2026, 04/16/2026, 04/20/2026, 04/21/2026, and 04/22/2026, with each sale listing share counts and gross proceeds.

How many shares did Jayshree Ullal sell per the excerpt?

The excerpt lists individual sales of 112,812; 350,000; 306,139; 93,861; and 428,000 shares. Those five reported dispositions sum to 1,290,812 shares across the listed dates in April 2026.

What proceeds are shown for the listed sales in the Form 144 excerpt?

Each sale line shows gross proceeds: $16,934,671.85; $55,760,635.00; $51,220,717.14; $15,822,496.06; and $75,944,310.87 respectively. The filing lists proceeds tied to each reported sale date.

Who executed the transactions and by what method?

The excerpt identifies the sales as executed via Wire and lists Fidelity Brokerage Services LLC with an address in Boston. The seller is shown as Jayshree Ullal c/o Arista Networks, Inc.

Do these Form 144 lines show remaining holdings after the sales?

The excerpt provides per‑sale share counts and gross proceeds but does not state post‑transaction holdings or remaining beneficial ownership. Disclosure of remaining holdings would appear in other filings such as Forms 4 or 5.

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

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Accepted by SEC EDGAR 05/26/2026 - 10:10 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	2141003.98	1256537906	05/26/2026	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	05/22/2026	PSU	Issuer			13809	05/22/2026	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	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

144: Remarks and Signature

Remarks
Date of Notice	05/26/2026
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)