Arista Networks Insider Filing: Ullal to Sell $886K in Shares

Rhea-AI Filing Summary

Arista Networks, Inc. (ANET) – Form 144 filing dated 27 June 2025

The notice discloses that President & CEO Jayshree Ullal, acting as trustee for The Ishan Nagpal Trust, intends to sell 8,724 common shares of Arista on or about 27 June 2025 through J.P. Morgan Securities LLC on the NYSE. The shares, originally obtained via stock-option exercise on 1 Jan 2013, carry an aggregate market value of $886,295. The filing cites shares outstanding of 1,255,921,431, implying the proposed sale represents an immaterial fraction of the float.

The form also lists insider dispositions over the preceding three months by multiple Ullal-related trusts and by Jayshree Ullal personally. In total, six separate sales between 26 June 2025 and the filing date amounted to 117,782 shares for gross proceeds of approximately $12.0 million. All dispositions appear to have been executed under Rule 144, and the filer affirms no possession of undisclosed material adverse information. A Rule 10b5-1 trading plan was adopted on 13 Dec 2024.

Key takeaways for investors:

• The CEO continues to reduce her personal and family-trust holdings, though the new sale is modest versus total ownership.
• Sales are covered by a pre-arranged 10b5-1 plan, limiting inference of timing-related concerns.
• No operational or financial performance data are provided; the filing is strictly a notice of proposed insider sale.

Positive

• Sale executed under a pre-disclosed Rule 10b5-1 trading plan, reducing concerns about opportunistic timing.
• Proposed disposition is immaterial relative to the company’s reported shares outstanding, limiting dilution or supply overhang fears.

Negative

• Continued insider selling by the CEO and related trusts (117,782 shares over three months plus 8,724 proposed) may be perceived negatively by some investors.
• No accompanying operational updates; the filing offers no positive catalysts to offset potential sentiment impact.

Insights

Financial Analyst

TL;DR: Small CEO share sale (8.7k) via 10b5-1; routine but continuing insider distribution trend.

The transaction is immaterial to Arista’s float yet noteworthy because it follows ~118k shares already sold by Ullal-related entities within three months, suggesting a pattern of periodic liquidity events. Execution under a disclosed 10b5-1 plan mitigates signaling risk, and the dollar amount (<$1 million) is negligible relative to the CEO’s remaining stake and Arista’s $85 billion market cap. Therefore, I view the impact as neutral; it neither alters fundamentals nor provides new information on operations. However, persistent insider selling can weigh on sentiment if volumes increase or coincide with soft results.

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	8724	886295	1255921431	06/27/2025	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	01/01/2013	Stock Option Exercise	Issuer			8724	01/01/2013	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
The Ishan Nagpal Trust 5453 Great America Parkway Santa Clara CA 95054	Common	06/26/2025	1224	124888
The Shriya Nagpal Trust 5453 Great America Parkway Santa Clara CA 95054	Common	06/26/2025	1224	124888
The Tarini Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	Common	06/26/2025	14110	1439677
The Adeeti Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	Common	06/26/2025	14110	1439677
2000 Ullal Family Trust 5453 Great America Parkway Santa Clara CA 95054	Common	06/26/2025	74039	7554376
Jayshree Ullal 5453 Great America Parkway Santa Clara CA 95054	Common	06/26/2025	13075	1334073

144: Remarks and Signature

Remarks	The shares filed today will be sold by The Ishan Nagpal Trust - Jayshree Ullal as Trustee The securities to be sold were acquired from stock option exercises by Jayshree Ullal and transferred to the Trust on various dates between 1/1/2013 and 12/31/2013.
Date of Notice	06/27/2025
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 Arista (ANET) shares is CEO Jayshree Ullal proposing to sell?

The Form 144 reports a proposed sale of 8,724 common shares.

What is the estimated market value of the planned ANET share sale?

The aggregate market value disclosed is $886,295.

When will the ANET shares be sold and through which broker?

Approximate sale date is 27 June 2025 via J.P. Morgan Securities LLC on the NYSE.

Were any other insider sales reported in the last three months?

Yes. Ullal-related trusts and the CEO sold 117,782 shares for roughly $12.0 million on 26 June 2025.

Is the transaction covered by a Rule 10b5-1 plan?

Yes. The filing states the trading plan was adopted on 13 December 2024.

Does the filing include any new financial or operational data about Arista Networks?

No. Form 144 only notifies of a proposed insider sale; it does not contain earnings or operational metrics.