[144] Arista Networks SEC Filing

Rhea-AI Filing Summary

Arista Networks (ANET) Form 144 notifies a proposed sale of 24,040 common shares through J.P. Morgan Securities with an aggregate market value of $1,191,637, targeted for 08/25/2025 on the NYSE. The shares were acquired on 08/20/2025 as a restricted stock award from the issuer and were paid for on the acquisition date. The filing also lists extensive insider and related-trust sales during the prior three months by multiple Ullal- and Nagpal-related trusts and individuals, including large block sales reported on dates such as 08/06/2025 and 07/31/2025.

Positive

• Restricted stock award origin for the shares indicates the sale is compensation-related rather than an undisclosed transfer
• Brokered sale via J.P. Morgan Securities provides an organized, regulated execution channel for the disposal

Negative

• Extensive insider and related-trust sales reported across June–August 2025, including very large single-day blocks for family trusts
• Potential market pressure implied by concentrated selling activity from multiple related parties in the recent three-month period

Insights

Securities Analyst

TL;DR: Large, concentrated insider-related selling occurred recently; this filing reports a small restricted stock sale scheduled via a broker.

The Form 144 shows a planned public sale of 24,040 shares valued at $1,191,637 on 08/25/2025, acquired as a restricted stock award on 08/20/2025. The disclosure is routine in form but accompanies numerous insider/trust dispositions across June–August 2025, including sizable single-day blocks reported for several family trusts. For market participants, the filing confirms the mechanics of a planned sale and supplements transparency around recent insider liquidity events.

Corporate Governance Expert

TL;DR: The filing documents executive-family and related-trust sell-down activity; governance implication is increased insider liquidity but no policy breach shown.

The notice identifies the 24,040-share sale as arising from a restricted stock award, suggesting compensation-related disposition rather than secondary transfer from an outside purchaser. Multiple trust and individual sales by members of the Ullal and Nagpal families are disclosed for the prior three months, detailing dates and gross proceeds. The record shows compliance with Rule 144 notification requirements; it does not, by itself, indicate noncompliance or undisclosed material information.

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	24040	1191637	1256865381	08/25/2025	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	08/20/2025	Restricted Stock Award	Issuer			24040	08/20/2025	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
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 shares does the ANET Form 144 propose to sell?

The filing proposes sale of 24,040 common shares with an aggregate market value of $1,191,637 through J.P. Morgan Securities.

When is the proposed sale scheduled?

The approximate date of sale is listed as 08/25/2025 on the NYSE.

How were the shares being sold acquired?

The shares were acquired on 08/20/2025 as a restricted stock award from the issuer, with payment dated 08/20/2025.

Do the filings show other insider sales recently?

Yes. The Form 144 lists numerous insider and related-trust sales during June–August 2025, including large transactions on dates such as 07/31/2025 and 08/06/2025.

Which parties sold shares in the past three months per the filing?

Sales are reported by multiple entities including The Tarini Ullal Trust, The Adeeti Ullal Trust, The Ishan Nagpal Trust, The Shriya Nagpal Trust, Jayshree Ullal, and 2000 Ullal Family Trust.