[144] Arista Networks SEC Filing

Rhea-AI Filing Summary

Arista Networks (ANET) Form 144 notice: The filer intends to sell 240,521 shares of common stock with an aggregate market value of $34,666,292. The reported number of shares outstanding is 1,256,865,381 and the approximate sale date is 09/05/2025 on the NYSE. The shares to be sold were acquired on 01/01/2013 through a stock option exercise, with payment recorded on the same date. The filing lists numerous prior sales by related trusts, family members, and Jayshree Ullal over the past three months, each showing sale dates, amounts sold, and gross proceeds.

Positive

• Planned sale is reported under Rule 144, indicating formal compliance with SEC resale reporting requirements
• Acquired shares date and method disclosed (01/01/2013 via stock option exercise), showing long-held acquisition

Negative

• Extensive recent insider-related sales are listed across multiple trusts and individuals in the past three months, with substantial quantities and proceeds
• No issuer operational or financial context provided in the filing to explain the sales

Insights

Securities Analyst

TL;DR Insider-related parties have executed multiple recent sales and filed a new Form 144 for 240,521 shares valued at $34.7M.

The filing documents a Rule 144 notice for 240,521 shares valued at $34,666,292 with an intended sale on 09/05/2025 on the NYSE. The shares were acquired by stock option exercise on 01/01/2013, indicating a long-held position. The disclosure also details numerous sales by several trusts, family members, and an individual (Jayshree Ullal) during the prior three months, each with specific amounts and gross proceeds. From an analytical perspective, the filing provides transparent transactional history required under Rule 144 but does not include any explanatory commentary on the reasons for the sales.

Corporate Governance Expert

TL;DR Multiple related-party transactions are disclosed; the Form 144 shows compliance with Rule 144 reporting requirements.

The document identifies the planned sale mechanics: broker (J.P. Morgan Securities LLC) and trade venue (NYSE). It records acquisition details (01/01/2013, stock option exercise) and reiterates the seller's representation regarding absence of undisclosed material nonpublic information. The filing is procedural and compliant in format, listing past sales by named trusts and individuals with exact dates, quantities, and gross proceeds. The filing contains no operational or financial performance data about the issuer.

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

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	240521	34666292	1256865381	09/05/2025	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			240521	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 Tarini Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	06/26/2025	14110	1439677
The Tarini Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	06/27/2025	241	24580
The Tarini Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	06/30/2025	100862	10331214
The Tarini Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/25/2025	8376	963415
The Tarini Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/28/2025	72761	8410248
The Tarini Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/29/2025	81137	9667701
The Tarini Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/30/2025	39854	4897419
The Tarini Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	08/06/2025	246331	33555357
The Tarini Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	08/07/2025	47728	6678617
The Tarini Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	08/08/2025	26625	3718732
The Adeeti 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	06/27/2025	241	24580
The Adeeti Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	06/30/2025	100862	10331214
The Adeeti Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/25/2025	8376	963415
The Adeeti Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/28/2025	72761	8410248
The Adeeti Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/29/2025	81137	9667701
The Adeeti Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/30/2025	39854	4897419
The Adeeti Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/31/2025	121454	15156779
The Adeeti Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	08/06/2025	246331	33555357
The Adeeti Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	08/07/2025	47728	6678617
The Adeeti Ullal Trust 5453 Great America Parkway Santa Clara CA 95054	common	08/08/2025	26625	3718732
The Ishan Nagpal Trust 5453 Great America Parkway Santa Clara CA 95054	common	06/26/2025	1224	124888
The Ishan Nagpal Trust 5453 Great America Parkway Santa Clara CA 95054	common	06/27/2025	20	2040
The Ishan Nagpal Trust 5453 Great America Parkway Santa Clara CA 95054	common	06/30/2025	8756	896869
The Shriya 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	06/27/2025	20	2040
The Shriya Nagpal Trust 5453 Great America Parkway Santa Clara CA 95054	common	06/30/2025	8756	896869
Jayshree Ullal 5453 Great America Parkway Santa Clara CA 95054	common	06/26/2025	13075	1334074
Jayshree Ullal 5453 Great America Parkway Santa Clara CA 95054	common	06/27/2025	223	22744
Jayshree Ullal 5453 Great America Parkway Santa Clara CA 95054	common	06/30/2025	93468	9573852
Jayshree Ullal 5453 Great America Parkway Santa Clara CA 95054	common	08/25/2025	24040	3191637
2000 Ullal Family Trust 5453 Great America Parkway Santa Clara CA 95054	common	06/26/2025	74039	7554377
2000 Ullal Family Trust 5453 Great America Parkway Santa Clara CA 95054	common	06/27/2025	1271	129632
2000 Ullal Family Trust 5453 Great America Parkway Santa Clara CA 95054	common	06/30/2025	529208	54206352
2000 Ullal Family Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/25/2025	43946	5054708
2000 Ullal Family Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/28/2025	44128919	8410248
2000 Ullal Family Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/29/2025	50726445	9667701
2000 Ullal Family Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/30/2025	209112	25696519
2000 Ullal Family Trust 5453 Great America Parkway Santa Clara CA 95054	common	07/31/2025	637272	79527977
2000 Ullal Family Trust 5453 Great America Parkway Santa Clara CA 95054	common	08/06/2025	1292503	176065534
2000 Ullal Family Trust 5453 Great America Parkway Santa Clara CA 95054	common	08/07/2025	250400	35038672
2000 Ullal Family Trust 5453 Great America Parkway Santa Clara CA 95054	common	08/08/2025	139729	19516047

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)

FAQ

What does the ANET Form 144 disclose?

The filing discloses an intended sale of 240,521 common shares valued at $34,666,292, with an approximate sale date of 09/05/2025 on the NYSE.

Who is acting as broker for the proposed ANET sale?

J.P. Morgan Securities LLC (360 Madison Avenue, New York) is named as the broker for the transaction.

When and how were the shares being sold acquired?

The shares were acquired on 01/01/2013 by stock option exercise, with payment recorded the same day.

Does the filing show prior related-party sales for ANET?

Yes. The filing lists numerous sales over the past three months by multiple trusts, family members, and Jayshree Ullal with dates, quantities, and gross proceeds.

How many shares outstanding does the filing report?

The filing reports 1,256,865,381 shares outstanding.