Arista CEO Ullal to Offload 106,766 Shares Following Stock Options Exercise

Rhea-AI Filing Summary

Arista Networks insider trading notification: CEO Jayshree Ullal plans to sell 106,766 shares with an aggregate market value of $10,391,534 through J.P. Morgan Securities on the NYSE, scheduled for June 26, 2025.

The shares to be sold were acquired through multiple transactions:

• 12,000 shares via stock option exercise on 06/26/2025
• 24,042 shares from PSU vesting on 05/20/2025
• 70,724 shares from RSU grants (various dates between 2021-2023)

The sale is executed under a Rule 10b5-1 trading plan adopted on December 13, 2024. Some transactions will involve cashless option exercises within 3 months of filing. Notably, Ullal has made no other sales in the past 3 months. The filing confirms no knowledge of undisclosed material adverse information regarding Arista's operations.

Positive

• None.

Negative

• CEO Jayshree Ullal plans to sell 106,766 shares worth approximately $10.4M, representing a significant insider sale under a 10b5-1 trading plan

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	4085475000
Name of Person for Whose Account the Securities are To Be Sold	Jayshree Ullal
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 and 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	J.P. Morgan Securities LLC 360 Madison Avenue - 6th Floor New York NY 10017	106766	10391534	1255921431	06/26/2025	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	06/26/2025	Stock Option Exercise	Issuer			12000	06/26/2025	Cash
Common	05/20/2025	PSU	Issuer			24042	05/20/2025	NA
Common	02/22/2021	RSU	Issuer			8416	02/22/2021	NA
Common	05/20/2021	RSU	Issuer			2112	05/20/2021	NA
Common	11/20/2023	RSU	Issuer			60196	11/20/2023	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

Nothing to Report

144: Remarks and Signature

Remarks	Some sales under this filing are from Cashless Option Exercises that will occur within 3 months from the date of this filing.
Date of Notice	06/26/2025
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/13/2024
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 forJayshree Ullal
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many ANET shares is CEO Jayshree Ullal planning to sell according to the Form 144 filing from June 28, 2025?

According to the Form 144 filing, Jayshree Ullal, Officer and Director of Arista Networks (ANET), plans to sell 106,766 shares with an aggregate market value of $10,391,534 through J.P. Morgan Securities LLC. The approximate date of sale is listed as June 26, 2025 on the NYSE.

What is the source of ANET shares that Jayshree Ullal plans to sell?

The shares come from multiple sources acquired between 2021-2025: 12,000 shares from a Stock Option Exercise (June 26, 2025), 24,042 shares from PSUs (May 20, 2025), and various RSU grants including 8,416 shares (Feb 2021), 2,112 shares (May 2021), and 60,196 shares (Nov 2023).

Is ANET CEO Jayshree Ullal selling shares under a 10b5-1 trading plan?

Yes, the Form 144 indicates that Jayshree Ullal is selling shares under a Rule 10b5-1 trading plan that was adopted on December 13, 2024. Some sales are noted to be from Cashless Option Exercises that will occur within 3 months from the filing date.

Has ANET's Jayshree Ullal sold any other shares in the past 3 months before this Form 144 filing?

According to the filing section 'Securities Sold During The Past 3 Months', there were no other sales reported by Jayshree Ullal during the three months prior to this Form 144 filing.

What percentage of ANET's outstanding shares does Ullal's proposed sale represent?

The proposed sale of 106,766 shares represents approximately 0.0085% of Arista Networks' total outstanding shares, as the filing indicates there are 1,255,921,431 shares outstanding.