STOCK TITAN

[Form 4] Arista Networks Insider Trading Activity

Filing Impact
(High)
Filing Sentiment
(Very Negative)
Form Type
4
Rhea-AI Filing Summary

Jayshree Ullal, who serves as CEO and Chairperson of Arista Networks (ANET), reported multiple sales of Arista common stock executed on 08/08/2025 under a Rule 10b5-1 trading plan established on December 13, 2024. The filing lists sales of 26,625 shares (two separate lines) and 139,729 shares at a weighted average price of $139.6707, with transaction prices ranging from $139.50 to $140.00.

The Form 4 shows large amounts of stock held in trusts for family beneficiaries: trusts for two children are listed with 5,623,721 shares each on related lines and a family trust with 20,508,982 shares; the reporting person is trustee or co-trustee, shares voting and investment control for those trusts, but disclaims beneficial ownership. Smaller trust allocations of 30,000 shares are reported for a nephew and a niece. The sales were executed pursuant to the pre-established Rule 10b5-1 plan disclosed in the filing.

Jayshree Ullal, che ricopre la carica di CEO e Chairperson di Arista Networks (ANET), ha riportato più vendite di azioni ordinarie di Arista effettuate il 08/08/2025 nell'ambito di un piano di negoziazione Rule 10b5-1 instaurato il 13 dicembre 2024. Il deposito indica vendite di 26,625 azioni (due righe separate) e di 139,729 azioni a un prezzo medio ponderato di $139.6707, con prezzi delle transazioni compresi tra $139.50 e $140.00.

Il Modulo 4 mostra ingenti quantitativi di azioni detenute in trust per beneficiari familiari: trust per due figli sono elencati con 5,623,721 azioni ciascuno sulle righe correlate e un trust familiare con 20,508,982 azioni; la persona che presenta la comunicazione è trustee o co-trustee, esercita il controllo di voto e di investimento su tali trust, ma dichiara di non rivendicare la titolarità beneficiaria. Sono riportate inoltre assegnazioni minori in trust di 30,000 azioni a favore di un nipote e di una nipote. Le vendite sono state eseguite in conformità al piano Rule 10b5-1 preesistente divulgato nel deposito.

Jayshree Ullal, quien se desempeña como CEO y Presidenta de Arista Networks (ANET), registró múltiples ventas de acciones ordinarias de Arista realizadas el 08/08/2025 bajo un plan de negociación Rule 10b5-1 establecido el 13 de diciembre de 2024. El documento lista ventas de 26,625 acciones (dos líneas separadas) y de 139,729 acciones a un precio medio ponderado de $139.6707, con precios de transacción que van desde $139.50 a $140.00.

El Formulario 4 muestra grandes cantidades de acciones mantenidas en fideicomisos para beneficiarios familiares: fideicomisos para dos hijos figuran con 5,623,721 acciones cada uno en las líneas relacionadas y un fideicomiso familiar con 20,508,982 acciones; la persona que informa es fideicomisaria o co‑fideicomisaria, tiene control de voto e inversión sobre esos fideicomisos, pero niega la propiedad beneficiaria. También se informan asignaciones menores en fideicomiso de 30,000 acciones para un sobrino y una sobrina. Las ventas se ejecutaron conforme al plan Rule 10b5-1 preestablecido divulgado en el informe.

Jayshree Ullal은 Arista Networks(ANET)의 CEO 겸 의장(Chairperson)으로서, 2024년 12월 13일에 설정된 Rule 10b5-1 거래 계획에 따라 08/08/2025에 수행된 여러 건의 Arista 보통주 매각을 보고했습니다. 제출서류에는 가중평균가격 $139.670726,625주(별도 두 항목) 및 139,729주의 매각이 기재되어 있으며, 거래 가격 범위는 $139.50~$140.00입니다.

Form 4는 가족 수익자를 위한 신탁에 보관된 대규모 주식 보유를 보여줍니다: 두 자녀를 위한 신탁은 각 항목에 5,623,721주씩 기재되어 있고 가족 신탁에는 20,508,982주가 기재되어 있습니다; 보고인은 해당 신탁의 수탁인 또는 공동수탁인으로서 의결권 및 투자 통제권을 보유하나 수익적 소유권(beneficial ownership)은 부인하고 있습니다. 조카와 조카딸에게는 각각 30,000주의 소규모 신탁 배정이 보고되어 있습니다. 이 매각들은 제출서류에 공개된 사전 설정된 Rule 10b5-1 계획에 따라 실행되었습니다.

Jayshree Ullal, qui occupe les fonctions de CEO et Présidente d'Arista Networks (ANET), a déclaré plusieurs ventes d'actions ordinaires Arista effectuées le 08/08/2025 dans le cadre d'un plan de négociation Rule 10b5-1 établi le 13 décembre 2024. le dépôt indique des ventes de 26,625 actions (deux lignes distinctes) et de 139,729 actions à un prix moyen pondéré de $139.6707, avec des prix de transaction allant de $139.50 à $140.00.

Le Formulaire 4 montre d'importantes quantités d'actions détenues en trusts pour des bénéficiaires familiaux : des trusts pour deux enfants sont listés avec 5,623,721 actions chacun sur les lignes concernées et un trust familial détient 20,508,982 actions ; la personne déclarant est trustee ou co‑trustee, exerce le contrôle de vote et d'investissement sur ces trusts, mais décline la propriété bénéficiaire. De plus petites allocations en trust de 30,000 actions sont signalées pour un neveu et une nièce. Les ventes ont été exécutées conformément au plan Rule 10b5-1 préétabli divulgué dans le dépôt.

Jayshree Ullal, die als CEO und Chairperson von Arista Networks (ANET) tätig ist, meldete mehrere Verkäufe von Stammaktien von Arista, die am 08/08/2025 im Rahmen eines am 13. Dezember 2024 eingerichteten Rule 10b5-1-Handelsplans ausgeführt wurden. Die Einreichung führt Verkäufe von 26,625 Aktien (zwei separate Zeilen) und 139,729 Aktien zu einem gewichteten Durchschnittspreis von $139.6707 auf, wobei die Transaktionspreise zwischen $139.50 und $140.00 liegen.

Das Formular 4 weist große Aktienbestände in Trusts für Familienbegünstigte aus: Trusts für zwei Kinder sind in den zugehörigen Zeilen jeweils mit 5,623,721 Aktien angegeben und ein Familientrust mit 20,508,982 Aktien; die meldende Person ist Trustee oder Co‑Trustee, übt Stimm‑ und Investitionskontrolle über diese Trusts aus, erklärt jedoch, kein wirtschaftliches Eigentum zu beanspruchen. Kleinere Trust‑Zuweisungen von 30,000 Aktien werden für einen Neffen und eine Nichte gemeldet. Die Verkäufe wurden gemäß dem im Bericht offengelegten vorab eingerichteten Rule 10b5-1‑Plan ausgeführt.

Positive
  • Sales were executed under a documented Rule 10b5-1 trading plan, which provides an affirmative defense and increases procedural transparency.
  • Filing discloses trust arrangements and the reporting person’s trustee role, including explicit statements that the reporting person disclaims beneficial ownership for those trust-held shares.
Negative
  • Significant insider sales reported (multiple lots including a 139,729-share block) which may be viewed as material by some investors given the reporting person’s executive role.

Insights

TL;DR: Insider sales were executed under a pre-established Rule 10b5-1 plan and involve trusts where the reporting person serves as trustee.

The Form 4 documents planned sales by the CEO and Chair performed under a 10b5-1 trading plan established in December 2024, showing a weighted average sale price of $139.6707 and a reported price range of $139.50–$140.00. Because transactions were made pursuant to a documented plan and many shares are held in family trusts where the reporting person disclaims beneficial ownership, this filing is consistent with routine, pre-arranged liquidity actions rather than opportunistic trading. Documentation and disclosure are clear; ongoing monitoring of scheduled-plan disclosures is appropriate.

TL;DR: Reported sales total multiple lots including a 139,729-share block; large trust holdings remain concentrated in family trusts.

The filing reports discrete sales (26,625; 26,625; and 139,729 shares) executed at a weighted average of $139.6707. The disclosure also shows very large trust positions (e.g., 20,508,982 and 5,623,721 shares on relevant lines), with the reporting person acting as trustee or co-trustee and disclaiming beneficial ownership. From a market-impact perspective, the disclosed transactions are explicit and executed under a defensive plan, suggesting limited incremental governance concern, while the large trust holdings remain material to ownership structure.

Jayshree Ullal, che ricopre la carica di CEO e Chairperson di Arista Networks (ANET), ha riportato più vendite di azioni ordinarie di Arista effettuate il 08/08/2025 nell'ambito di un piano di negoziazione Rule 10b5-1 instaurato il 13 dicembre 2024. Il deposito indica vendite di 26,625 azioni (due righe separate) e di 139,729 azioni a un prezzo medio ponderato di $139.6707, con prezzi delle transazioni compresi tra $139.50 e $140.00.

Il Modulo 4 mostra ingenti quantitativi di azioni detenute in trust per beneficiari familiari: trust per due figli sono elencati con 5,623,721 azioni ciascuno sulle righe correlate e un trust familiare con 20,508,982 azioni; la persona che presenta la comunicazione è trustee o co-trustee, esercita il controllo di voto e di investimento su tali trust, ma dichiara di non rivendicare la titolarità beneficiaria. Sono riportate inoltre assegnazioni minori in trust di 30,000 azioni a favore di un nipote e di una nipote. Le vendite sono state eseguite in conformità al piano Rule 10b5-1 preesistente divulgato nel deposito.

Jayshree Ullal, quien se desempeña como CEO y Presidenta de Arista Networks (ANET), registró múltiples ventas de acciones ordinarias de Arista realizadas el 08/08/2025 bajo un plan de negociación Rule 10b5-1 establecido el 13 de diciembre de 2024. El documento lista ventas de 26,625 acciones (dos líneas separadas) y de 139,729 acciones a un precio medio ponderado de $139.6707, con precios de transacción que van desde $139.50 a $140.00.

El Formulario 4 muestra grandes cantidades de acciones mantenidas en fideicomisos para beneficiarios familiares: fideicomisos para dos hijos figuran con 5,623,721 acciones cada uno en las líneas relacionadas y un fideicomiso familiar con 20,508,982 acciones; la persona que informa es fideicomisaria o co‑fideicomisaria, tiene control de voto e inversión sobre esos fideicomisos, pero niega la propiedad beneficiaria. También se informan asignaciones menores en fideicomiso de 30,000 acciones para un sobrino y una sobrina. Las ventas se ejecutaron conforme al plan Rule 10b5-1 preestablecido divulgado en el informe.

Jayshree Ullal은 Arista Networks(ANET)의 CEO 겸 의장(Chairperson)으로서, 2024년 12월 13일에 설정된 Rule 10b5-1 거래 계획에 따라 08/08/2025에 수행된 여러 건의 Arista 보통주 매각을 보고했습니다. 제출서류에는 가중평균가격 $139.670726,625주(별도 두 항목) 및 139,729주의 매각이 기재되어 있으며, 거래 가격 범위는 $139.50~$140.00입니다.

Form 4는 가족 수익자를 위한 신탁에 보관된 대규모 주식 보유를 보여줍니다: 두 자녀를 위한 신탁은 각 항목에 5,623,721주씩 기재되어 있고 가족 신탁에는 20,508,982주가 기재되어 있습니다; 보고인은 해당 신탁의 수탁인 또는 공동수탁인으로서 의결권 및 투자 통제권을 보유하나 수익적 소유권(beneficial ownership)은 부인하고 있습니다. 조카와 조카딸에게는 각각 30,000주의 소규모 신탁 배정이 보고되어 있습니다. 이 매각들은 제출서류에 공개된 사전 설정된 Rule 10b5-1 계획에 따라 실행되었습니다.

Jayshree Ullal, qui occupe les fonctions de CEO et Présidente d'Arista Networks (ANET), a déclaré plusieurs ventes d'actions ordinaires Arista effectuées le 08/08/2025 dans le cadre d'un plan de négociation Rule 10b5-1 établi le 13 décembre 2024. le dépôt indique des ventes de 26,625 actions (deux lignes distinctes) et de 139,729 actions à un prix moyen pondéré de $139.6707, avec des prix de transaction allant de $139.50 à $140.00.

Le Formulaire 4 montre d'importantes quantités d'actions détenues en trusts pour des bénéficiaires familiaux : des trusts pour deux enfants sont listés avec 5,623,721 actions chacun sur les lignes concernées et un trust familial détient 20,508,982 actions ; la personne déclarant est trustee ou co‑trustee, exerce le contrôle de vote et d'investissement sur ces trusts, mais décline la propriété bénéficiaire. De plus petites allocations en trust de 30,000 actions sont signalées pour un neveu et une nièce. Les ventes ont été exécutées conformément au plan Rule 10b5-1 préétabli divulgué dans le dépôt.

Jayshree Ullal, die als CEO und Chairperson von Arista Networks (ANET) tätig ist, meldete mehrere Verkäufe von Stammaktien von Arista, die am 08/08/2025 im Rahmen eines am 13. Dezember 2024 eingerichteten Rule 10b5-1-Handelsplans ausgeführt wurden. Die Einreichung führt Verkäufe von 26,625 Aktien (zwei separate Zeilen) und 139,729 Aktien zu einem gewichteten Durchschnittspreis von $139.6707 auf, wobei die Transaktionspreise zwischen $139.50 und $140.00 liegen.

Das Formular 4 weist große Aktienbestände in Trusts für Familienbegünstigte aus: Trusts für zwei Kinder sind in den zugehörigen Zeilen jeweils mit 5,623,721 Aktien angegeben und ein Familientrust mit 20,508,982 Aktien; die meldende Person ist Trustee oder Co‑Trustee, übt Stimm‑ und Investitionskontrolle über diese Trusts aus, erklärt jedoch, kein wirtschaftliches Eigentum zu beanspruchen. Kleinere Trust‑Zuweisungen von 30,000 Aktien werden für einen Neffen und eine Nichte gemeldet. Die Verkäufe wurden gemäß dem im Bericht offengelegten vorab eingerichteten Rule 10b5-1‑Plan ausgeführt.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Ullal Jayshree

(Last) (First) (Middle)
5453 GREAT AMERICA PARKWAY

(Street)
SANTA CLARA CA 95054

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Arista Networks, Inc. [ ANET ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
CEO and Chairperson
3. Date of Earliest Transaction (Month/Day/Year)
08/08/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/08/2025 S(1) 26,625 D $139.6707(2) 5,623,721 I By Trust for Child 1(3)
Common Stock 08/08/2025 S(1) 26,625 D $139.6707(2) 5,623,721 I By Trust for Child 2(3)
Common Stock 08/08/2025 S(4) 139,729 D $139.6707(2) 20,508,982 I by Trust(5)
Common Stock 9,917 D
Common Stock 30,000 I By Trust for Nephew(6)
Common Stock 30,000 I By Trust for Niece(6)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's relatives on December 13, 2024.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.50 to $140.00, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
3. These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
4. The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2024.
5. These shares are held by a family trust for which the reporting person is co-trustee.
6. These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Jayshree Ullal 08/12/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider activity did Arista Networks (ANET) report?

The Form 4 reports that CEO and Chair Jayshree Ullal sold multiple blocks of common stock on 08/08/2025 under a Rule 10b5-1 plan.

How many shares and at what price were sold by the ANET reporting person?

The filing lists sales of 26,625, 26,625 and 139,729 shares at a weighted average price of $139.6707, with prices ranging $139.50–$140.00.

Were the sales part of a pre-arranged trading plan for ANET insiders?

Yes. The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2024.

Does Jayshree Ullal retain substantial Arista stock through trusts?

The Form 4 shows large holdings attributed to family trusts (e.g., 20,508,982 and 5,623,721 on relevant lines) where the reporting person is trustee or co-trustee and disclaims beneficial ownership.

Are the trust-held shares reported as directly beneficially owned by the reporting person?

No. The filing states the reporting person shares voting and investment control over the trust shares but expressly disclaims beneficial ownership for those trust-held shares.
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