STOCK TITAN

[Form 4] Arista Networks Insider Trading Activity

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

On 07/17/2025 Arista Networks (ANET) CTO & SVP Software Eng. Kenneth Duda exercised 30,000 options at an exercise price of $3.515 and immediately sold an equivalent 30,000 common shares in four blocks between $109.25-$112.03. His direct holdings fell from 42,976 to 12,976 shares.

Under separate Rule 10b5-1 plans adopted 13-Mar-2025, a children’s trust sold 16,000 shares and a charitable foundation sold 10,000 shares at the same price ranges. Despite these sales, Duda maintains sizeable indirect ownership: 1.22 m shares via the children’s trust, 0.58 m via the foundation, 1.5 m across two GRATs, and 25,615 through a family trust, plus 180,000 unexercised options expiring 02/11/2026.

Total shares disposed across all entities equal 56,000 (~$6.1 m), a modest fraction of his >3.3 m-share exposure. Because the transactions were pre-planned, signaling risk is muted, yet the magnitude of direct-account selling may still be interpreted as profit-taking at elevated price levels.

Il 17/07/2025 Kenneth Duda, CTO e SVP Software Engineering di Arista Networks (ANET), ha esercitato 30.000 opzioni al prezzo di esercizio di 3,515$ e ha immediatamente venduto un equivalente numero di 30.000 azioni ordinarie in quattro blocchi tra 109,25$ e 112,03$. Le sue partecipazioni dirette sono diminuite da 42.976 a 12.976 azioni.

Secondo piani separati conformi alla Regola 10b5-1 adottati il 13 marzo 2025, un trust per bambini ha venduto 16.000 azioni e una fondazione benefica 10.000 azioni agli stessi intervalli di prezzo. Nonostante queste vendite, Duda mantiene una significativa proprietà indiretta: 1,22 milioni di azioni tramite il trust per bambini, 0,58 milioni tramite la fondazione, 1,5 milioni distribuiti su due GRAT, e 25.615 attraverso un trust familiare, oltre a 180.000 opzioni non esercitate in scadenza il 11/02/2026.

Il totale delle azioni cedute da tutte le entità è di 56.000 (~6,1 milioni di $), una frazione modesta rispetto alla sua esposizione superiore a 3,3 milioni di azioni. Poiché le transazioni erano pre-pianificate, il rischio di segnalazione è attenuato, tuttavia l’entità della vendita tramite conto diretto può essere interpretata come una presa di profitto a livelli di prezzo elevati.

El 17/07/2025, Kenneth Duda, CTO y SVP de Ingeniería de Software de Arista Networks (ANET), ejerció 30,000 opciones a un precio de ejercicio de $3.515 y vendió inmediatamente un equivalente de 30,000 acciones comunes en cuatro bloques entre $109.25 y $112.03. Su participación directa disminuyó de 42,976 a 12,976 acciones.

Bajo planes separados conforme a la Regla 10b5-1 adoptados el 13 de marzo de 2025, un fideicomiso para niños vendió 16,000 acciones y una fundación benéfica vendió 10,000 acciones en los mismos rangos de precio. A pesar de estas ventas, Duda mantiene una considerable propiedad indirecta: 1.22 millones de acciones a través del fideicomiso para niños, 0.58 millones a través de la fundación, 1.5 millones en dos GRATs, y 25,615 mediante un fideicomiso familiar, además de 180,000 opciones no ejercidas con vencimiento el 11/02/2026.

El total de acciones vendidas por todas las entidades es de 56,000 (~$6.1 millones), una fracción modesta de su exposición de más de 3.3 millones de acciones. Debido a que las transacciones fueron preplanificadas, el riesgo de señalización es reducido, aunque la magnitud de la venta en cuenta directa aún puede interpretarse como una toma de ganancias en niveles de precio elevados.

2025년 7월 17일, Arista Networks(ANET)의 CTO 겸 소프트웨어 엔지니어링 부사장인 케네스 두다가 행사가격 $3.515에 30,000 옵션을 행사하고, 즉시 동일한 수량의 30,000 보통주를 $109.25에서 $112.03 사이 네 차례에 걸쳐 매도했습니다. 그의 직접 보유 주식은 42,976주에서 12,976주로 감소했습니다.

2025년 3월 13일에 채택된 별도의 규칙 10b5-1 계획에 따라, 어린이 신탁이 16,000주를, 자선 재단이 10,000주를 동일한 가격대에 매도했습니다. 이러한 매도에도 불구하고 두다는 상당한 간접 소유를 유지하고 있습니다: 어린이 신탁을 통해 122만 주, 재단을 통해 58만 주, 두 개의 GRAT를 통해 150만 주, 가족 신탁을 통해 25,615주, 그리고 2026년 2월 11일 만료되는 180,000 미행사 옵션을 보유하고 있습니다.

모든 법인이 처분한 총 주식 수는 56,000주 (~610만 달러)로, 330만 주가 넘는 그의 총 보유량에 비해 적은 비중입니다. 거래가 사전 계획된 것이므로 신호 위험은 낮지만, 직접 계좌에서의 매도 규모는 높은 가격대에서 이익 실현으로 해석될 수 있습니다.

Le 17/07/2025, Kenneth Duda, CTO et SVP Software Engineering chez Arista Networks (ANET), a exercé 30 000 options au prix d’exercice de 3,515 $ et a immédiatement vendu un nombre équivalent de 30 000 actions ordinaires en quatre blocs entre 109,25 $ et 112,03 $. Ses participations directes sont passées de 42 976 à 12 976 actions.

Dans le cadre de plans distincts conformes à la règle 10b5-1 adoptés le 13 mars 2025, un trust pour enfants a vendu 16 000 actions et une fondation caritative 10 000 actions aux mêmes fourchettes de prix. Malgré ces ventes, Duda conserve une importante détention indirecte : 1,22 million d’actions via le trust pour enfants, 0,58 million via la fondation, 1,5 million réparties sur deux GRAT, et 25 615 via un trust familial, ainsi que 180 000 options non exercées expirant le 11/02/2026.

Le total des actions cédées par toutes les entités s’élève à 56 000 (~6,1 millions de $), une fraction modeste de son exposition de plus de 3,3 millions d’actions. Comme les transactions étaient préalablement planifiées, le risque de signal est atténué, mais l’ampleur des ventes sur le compte direct peut néanmoins être interprétée comme une prise de bénéfices à des niveaux de prix élevés.

Am 17.07.2025 übte Kenneth Duda, CTO und SVP Software Engineering von Arista Networks (ANET), 30.000 Optionen zum Ausübungspreis von 3,515 $ aus und verkaufte unmittelbar danach eine entsprechende Anzahl von 30.000 Stammaktien in vier Tranchen zwischen 109,25 $ und 112,03 $. Sein Direktbestand sank von 42.976 auf 12.976 Aktien.

Unter separaten Rule 10b5-1-Plänen, die am 13. März 2025 angenommen wurden, verkaufte ein Kinder-Trust 16.000 Aktien und eine Wohltätigkeitsstiftung 10.000 Aktien zu denselben Preisbereichen. Trotz dieser Verkäufe hält Duda beträchtliches indirektes Eigentum: 1,22 Mio. Aktien über den Kinder-Trust, 0,58 Mio. über die Stiftung, 1,5 Mio. über zwei GRATs und 25.615 Aktien über einen Familientrust, plus 180.000 nicht ausgeübte Optionen, die am 11.02.2026 verfallen.

Die insgesamt von allen Einheiten veräußerten Aktien belaufen sich auf 56.000 (~6,1 Mio. $), ein bescheidener Anteil an seiner Gesamtposition von über 3,3 Mio. Aktien. Da die Transaktionen vorgeplant waren, ist das Signalisierungsrisiko gering, dennoch könnte das Ausmaß des Verkaufs auf dem Direktkonto als Gewinnmitnahme auf hohem Preisniveau interpretiert werden.

Positive
  • None.
Negative
  • None.

Insights

TL;DR: Pre-planned sale of 56k shares, but insider retains large stake; neutral signal overall.

Duda monetised roughly $6 million in stock while exercising low-priced options, locking in substantial gains. The 10b5-1 structure lessens concerns about opportunistic timing, and his >3 million remaining shares indicate continued alignment with long-term shareholders. The sales represent ~1.7 % of his total exposure, unlikely to affect float or valuation. I view the filing as neutral for ANET’s near-term trading dynamics.

TL;DR: Compliance strong; optics of heavy direct selling partially offset by retained indirect holdings.

The use of multiple 10b5-1 plans across personal, trust and foundation accounts demonstrates disciplined adherence to insider-trading safeguards. However, cutting direct ownership by 70 % in a single session can raise perception issues, especially for a key founder-executive. Ongoing transparency and staggered sales schedules will be important to maintain investor confidence. Overall governance impact is neutral.

Il 17/07/2025 Kenneth Duda, CTO e SVP Software Engineering di Arista Networks (ANET), ha esercitato 30.000 opzioni al prezzo di esercizio di 3,515$ e ha immediatamente venduto un equivalente numero di 30.000 azioni ordinarie in quattro blocchi tra 109,25$ e 112,03$. Le sue partecipazioni dirette sono diminuite da 42.976 a 12.976 azioni.

Secondo piani separati conformi alla Regola 10b5-1 adottati il 13 marzo 2025, un trust per bambini ha venduto 16.000 azioni e una fondazione benefica 10.000 azioni agli stessi intervalli di prezzo. Nonostante queste vendite, Duda mantiene una significativa proprietà indiretta: 1,22 milioni di azioni tramite il trust per bambini, 0,58 milioni tramite la fondazione, 1,5 milioni distribuiti su due GRAT, e 25.615 attraverso un trust familiare, oltre a 180.000 opzioni non esercitate in scadenza il 11/02/2026.

Il totale delle azioni cedute da tutte le entità è di 56.000 (~6,1 milioni di $), una frazione modesta rispetto alla sua esposizione superiore a 3,3 milioni di azioni. Poiché le transazioni erano pre-pianificate, il rischio di segnalazione è attenuato, tuttavia l’entità della vendita tramite conto diretto può essere interpretata come una presa di profitto a livelli di prezzo elevati.

El 17/07/2025, Kenneth Duda, CTO y SVP de Ingeniería de Software de Arista Networks (ANET), ejerció 30,000 opciones a un precio de ejercicio de $3.515 y vendió inmediatamente un equivalente de 30,000 acciones comunes en cuatro bloques entre $109.25 y $112.03. Su participación directa disminuyó de 42,976 a 12,976 acciones.

Bajo planes separados conforme a la Regla 10b5-1 adoptados el 13 de marzo de 2025, un fideicomiso para niños vendió 16,000 acciones y una fundación benéfica vendió 10,000 acciones en los mismos rangos de precio. A pesar de estas ventas, Duda mantiene una considerable propiedad indirecta: 1.22 millones de acciones a través del fideicomiso para niños, 0.58 millones a través de la fundación, 1.5 millones en dos GRATs, y 25,615 mediante un fideicomiso familiar, además de 180,000 opciones no ejercidas con vencimiento el 11/02/2026.

El total de acciones vendidas por todas las entidades es de 56,000 (~$6.1 millones), una fracción modesta de su exposición de más de 3.3 millones de acciones. Debido a que las transacciones fueron preplanificadas, el riesgo de señalización es reducido, aunque la magnitud de la venta en cuenta directa aún puede interpretarse como una toma de ganancias en niveles de precio elevados.

2025년 7월 17일, Arista Networks(ANET)의 CTO 겸 소프트웨어 엔지니어링 부사장인 케네스 두다가 행사가격 $3.515에 30,000 옵션을 행사하고, 즉시 동일한 수량의 30,000 보통주를 $109.25에서 $112.03 사이 네 차례에 걸쳐 매도했습니다. 그의 직접 보유 주식은 42,976주에서 12,976주로 감소했습니다.

2025년 3월 13일에 채택된 별도의 규칙 10b5-1 계획에 따라, 어린이 신탁이 16,000주를, 자선 재단이 10,000주를 동일한 가격대에 매도했습니다. 이러한 매도에도 불구하고 두다는 상당한 간접 소유를 유지하고 있습니다: 어린이 신탁을 통해 122만 주, 재단을 통해 58만 주, 두 개의 GRAT를 통해 150만 주, 가족 신탁을 통해 25,615주, 그리고 2026년 2월 11일 만료되는 180,000 미행사 옵션을 보유하고 있습니다.

모든 법인이 처분한 총 주식 수는 56,000주 (~610만 달러)로, 330만 주가 넘는 그의 총 보유량에 비해 적은 비중입니다. 거래가 사전 계획된 것이므로 신호 위험은 낮지만, 직접 계좌에서의 매도 규모는 높은 가격대에서 이익 실현으로 해석될 수 있습니다.

Le 17/07/2025, Kenneth Duda, CTO et SVP Software Engineering chez Arista Networks (ANET), a exercé 30 000 options au prix d’exercice de 3,515 $ et a immédiatement vendu un nombre équivalent de 30 000 actions ordinaires en quatre blocs entre 109,25 $ et 112,03 $. Ses participations directes sont passées de 42 976 à 12 976 actions.

Dans le cadre de plans distincts conformes à la règle 10b5-1 adoptés le 13 mars 2025, un trust pour enfants a vendu 16 000 actions et une fondation caritative 10 000 actions aux mêmes fourchettes de prix. Malgré ces ventes, Duda conserve une importante détention indirecte : 1,22 million d’actions via le trust pour enfants, 0,58 million via la fondation, 1,5 million réparties sur deux GRAT, et 25 615 via un trust familial, ainsi que 180 000 options non exercées expirant le 11/02/2026.

Le total des actions cédées par toutes les entités s’élève à 56 000 (~6,1 millions de $), une fraction modeste de son exposition de plus de 3,3 millions d’actions. Comme les transactions étaient préalablement planifiées, le risque de signal est atténué, mais l’ampleur des ventes sur le compte direct peut néanmoins être interprétée comme une prise de bénéfices à des niveaux de prix élevés.

Am 17.07.2025 übte Kenneth Duda, CTO und SVP Software Engineering von Arista Networks (ANET), 30.000 Optionen zum Ausübungspreis von 3,515 $ aus und verkaufte unmittelbar danach eine entsprechende Anzahl von 30.000 Stammaktien in vier Tranchen zwischen 109,25 $ und 112,03 $. Sein Direktbestand sank von 42.976 auf 12.976 Aktien.

Unter separaten Rule 10b5-1-Plänen, die am 13. März 2025 angenommen wurden, verkaufte ein Kinder-Trust 16.000 Aktien und eine Wohltätigkeitsstiftung 10.000 Aktien zu denselben Preisbereichen. Trotz dieser Verkäufe hält Duda beträchtliches indirektes Eigentum: 1,22 Mio. Aktien über den Kinder-Trust, 0,58 Mio. über die Stiftung, 1,5 Mio. über zwei GRATs und 25.615 Aktien über einen Familientrust, plus 180.000 nicht ausgeübte Optionen, die am 11.02.2026 verfallen.

Die insgesamt von allen Einheiten veräußerten Aktien belaufen sich auf 56.000 (~6,1 Mio. $), ein bescheidener Anteil an seiner Gesamtposition von über 3,3 Mio. Aktien. Da die Transaktionen vorgeplant waren, ist das Signalisierungsrisiko gering, dennoch könnte das Ausmaß des Verkaufs auf dem Direktkonto als Gewinnmitnahme auf hohem Preisniveau interpretiert werden.

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).
1. Name and Address of Reporting Person*
Duda Kenneth

(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)
CTO and SVP Software Eng.
3. Date of Earliest Transaction (Month/Day/Year)
07/17/2025
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 07/17/2025 M(1) 30,000 A $3.515 42,976 D
Common Stock 07/17/2025 S(1) 1,908 D $109.2522(2) 41,068 D
Common Stock 07/17/2025 S(1) 2,962 D $110.3251(3) 38,106 D
Common Stock 07/17/2025 S(1) 22,004 D $111.3571(4) 16,102 D
Common Stock 07/17/2025 S(1) 3,126 D $112.0348(5) 12,976 D
Common Stock 07/17/2025 S(6) 1,018 D $109.2522(2) 1,238,150 I By Childrens' Trust(7)
Common Stock 07/17/2025 S(6) 1,580 D $110.3251(3) 1,236,570 I By Childrens' Trust(7)
Common Stock 07/17/2025 S(6) 11,735 D $111.3571(4) 1,224,835 I By Childrens' Trust(7)
Common Stock 07/17/2025 S(6) 1,667 D $112.0348(5) 1,223,168 I By Childrens' Trust(7)
Common Stock 07/17/2025 S(8) 636 D $109.2522(2) 591,764 I By Foundation(9)
Common Stock 07/17/2025 S(8) 987 D $110.3251(3) 590,777 I By Foundation(9)
Common Stock 07/17/2025 S(8) 7,335 D $111.3571(4) 583,442 I By Foundation(9)
Common Stock 07/17/2025 S(8) 1,042 D $112.0348(5) 582,400 I By Foundation(9)
Common Stock 750,000 I By GRAT JD(10)
Common Stock 750,000 I By GRAT KD(11)
Common Stock 25,615 I by Trust(12)
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
Non-Qualified Stock Option (right to buy) $3.515 07/17/2025 M(1) 30,000 (13) 02/11/2026 Common Stock 30,000 $0.0 180,000 D
Explanation of Responses:
1. The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 13, 2025.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.80 to $109.7992, 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.8083 to $110.80, 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.
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.81 to $111.77, 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.
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.81 to $112.30, 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.
6. 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 children on March 13, 2025.
7. These shares are held in a trust for the benefit of a Child 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.
8. The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 13, 2025 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.
9. These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.
10. Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.
11. Reporting person is the trustee of the Kenneth Duda Annuity Trusts.
12. These shares are held by a family trust for which the reporting person is co-trustee.
13. 1/60th of the shares subject to the option vested and became exercisable on April 1, 2017 and 1/60th of the shares subject to the option shall vested monthly thereafter.
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Kenneth Duda 07/21/2025
** 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

How many ANET shares did CTO Kenneth Duda sell on 07/17/2025?

He sold a combined 56,000 shares across personal, trust and foundation accounts.

What was the average sale price for the ANET shares?

Weighted average prices ranged from $109.25 to $112.03 per share.

Did the insider exercise any options?

Yes, he exercised 30,000 non-qualified options at $3.515, then sold the acquired shares.

How many Arista Networks shares does Duda still own?

After the transactions he directly owns 12,976 and indirectly controls ≈3.3 million shares.

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

Yes, all dispositions were under Rule 10b5-1 plans adopted on 13-Mar-2025.
Arista Networks Inc

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