STOCK TITAN

[Form 4] AMBARELLA INC Insider Trading Activity

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

John A. Young, who serves as an officer and director at Ambarella, reported a small sale and updated holdings. He disposed of 2,566 ordinary shares on 09/17/2025 at a price of $79.43 per share; the filing explains those shares were sold to pay tax obligations arising from the vesting of restricted stock units. After that transaction and recent activity, he beneficially owns 109,108 ordinary shares, which the filer notes includes 223 shares acquired under the company’s employee stock purchase plan on 09/15/2025. The Form 4 was signed by an attorney-in-fact on behalf of Mr. Young.

John A. Young, che ricopre il ruolo di ufficiale e direttore presso Ambarella, ha riferito una piccola vendita e aggiornato le partecipazioni. Ha ceduto 2.566 azioni ordinarie il 17/09/2025 al prezzo di $79,43 per azione; la dichiarazione spiega che quelle azioni sono state vendute per pagare obblighi fiscali derivanti dalla maturazione delle restricted stock units. Dopo tale operazione e l'attività recente, detiene beneficariamente 109.108 azioni ordinarie, che l'interprete nota includono 223 azioni acquisite nel piano di acquisto di azioni per dipendenti dell'azienda il 15/09/2025. Il Form 4 è stato firmato da un procuratore speciale per conto del signor Young.

John A. Young, quien ocupa un cargo de oficial y director en Ambarella, reportó una pequeña venta y actualizó sus participaciones. Se deshizo de 2.566 acciones ordinarias el 17/09/2025 a un precio de $79,43 por acción; la declaración explica que esas acciones se vendieron para pagar obligaciones fiscales derivadas de la adquisición de unidades de acciones restringidas. Después de esa operación y la actividad reciente, posee de forma beneficiosa 109.108 acciones ordinarias, que el presentante señala incluyen 223 acciones adquiridas bajo el plan de compra de acciones para empleados de la empresa el 15/09/2025. El Formulario 4 fue firmado por un apoderado en nombre del señor Young.

존 A. 영은 Ambarella의 임원 겸 이사로 재임하며 작은 매도와 보유 주식 업데이트를 보고했습니다. 그는 2,566주의 보통주를 2025-09-17에 주당 $79.43의 가격으로 처분했습니다; 제출서는 이 주식이 제한주식단위(RSU) 부여의 vesting으로 인한 세금 의무를 부담하기 위해 매도되었음을 설명합니다. 그 거래와 최근 활동 이후, 그는 109,108주의 보유지분을 실질적으로 보유하게 되었으며, 제출자는 이 중 223주가 회사의 직원주식매수계획에 따라 2025-09-15에 취득된 것이라고 언급합니다. Form 4는 영자 대리인이 Mr. Young을 대신 서명했습니다.

John A. Young, qui occupe le poste d’officier et de directeur chez Ambarella, a rapporté une faible vente et une mise à jour de ses avoirs. Il a cédé 2 566 actions ordinaires le 17/09/2025 au prix de $79,43 par action ; le dépôt explique que ces actions ont été vendues pour payer des obligations fiscales résultant de la maturation des restricted stock units. Après cette opération et l’activité récente, il détient avantageusement 109 108 actions ordinaires, que le déclarant note inclure 223 actions acquises dans le cadre du plan d’achat d’actions pour les employés de l’entreprise le 15/09/2025. Le Form 4 a été signé par un représentant légal agissant en tant que pouvoir pour M. Young.

John A. Young, der bei Ambarella als Beauftragter und Direktor tätig ist, meldete einen kleinen Verkauf und aktualisierte Beteiligungen. Er veräußerte 2.566 Stammaktien am 17.09.2025 zu einem Preis von $79,43 pro Aktie; die Einreichung erklärt, dass diese Aktien verkauft wurden, um Steuerverpflichtungen aus der Vesting von Restricted Stock Units zu begleichen. Nach dieser Transaktion und der jüngsten Aktivität besitzt er vorteilhaft 109.108 Stammaktien, wobei der Einreicher feststellt, dass 223 Aktien im Rahmen des Employee Stock Purchase Plan der Firma am 15.09.2025 erworben wurden. Das Formular 4 wurde von einem Bevollmächtigten im Namen von Herrn Young unterzeichnet.

جون أ. يونغ، الذي يشغل منصب موظف ومدير في أمبارللا، أبلغ عن بيع صغير وتحديث ممتلكاته. تخلص من 2,566 سهماً عاديًا في 17/09/2025 بسعر $79.43 للسهم؛ تشرح الوثيقة أن تلك الأسهم بيعت لتغطية الالتزامات الضريبية الناتجة عن vesting وحدات الأسهم المقيدة. بعد تلك المعاملة والنشاط الأخير، يملك بشكل مستفيد 109,108 أسهم عادية، والتي يشير مقدم الإقرارات إلى أنها تشمل 223 سهماً اكتسبت بموجب خطة شراء أسهم الموظفين في الشركة في 15/09/2025. تم توقيع النموذج 4 بواسطة وكيل بموجب التوكيل نيابة عن السيد يونغ.

约翰 A. 杨,现任 Ambarella 的官员兼董事,报告了一笔小额出售并更新了持股。其于 2025/09/17 以每股 $79.43 的价格处置了 2,566 股普通股;申报文件解释称这些股份是为支付因受限股票单位(RSU)归属而产生的税务义务而出售。经该交易及近期活动后,他实际拥有 109,108 股普通股,申报方指出其中包括在公司员工股票购买计划下于 2025/09/15 取得的 223 股。表格 4 由一名代理律师代 Mr. Young 签署。

Positive
  • Continued meaningful ownership: Reporting person retains 109,108 shares after the transaction.
  • Transparent disclosure: Sale labeled as tax-related from RSU vesting and includes ESPP purchase details (223 shares).
Negative
  • Share disposition: 2,566 shares were sold, reducing the reporting person’s stake.
  • Minor dilution of direct holdings: Sale at $79.43 per share decreased direct share count.

Insights

TL;DR: Insider sold a small portion of holdings to cover RSU taxes; overall ownership remains substantial.

The reported sale of 2,566 shares at $79.43 appears to be a tax-related disposition following RSU vesting rather than a discretionary liquidity event. With 109,108 shares beneficially owned after the transaction, the officer retains a meaningful equity stake. The filing includes an employee stock purchase plan contribution of 223 shares, indicating continued participation in company equity programs. This transaction is routine and provides limited incremental information about company fundamentals.

TL;DR: Disclosure is standard and timely; transaction is procedural (tax withholding) not a change in control or governance.

The Form 4 discloses a sale explicitly described as payment of tax obligations from RSU vesting, which is a common and accepted practice for equity-compensated executives. The report identifies the reporter as an officer and director, and the form was executed by an attorney-in-fact, consistent with delegated filing practice. No indications of material governance events, leadership change, or unusual derivative activity are present in this filing.

John A. Young, che ricopre il ruolo di ufficiale e direttore presso Ambarella, ha riferito una piccola vendita e aggiornato le partecipazioni. Ha ceduto 2.566 azioni ordinarie il 17/09/2025 al prezzo di $79,43 per azione; la dichiarazione spiega che quelle azioni sono state vendute per pagare obblighi fiscali derivanti dalla maturazione delle restricted stock units. Dopo tale operazione e l'attività recente, detiene beneficariamente 109.108 azioni ordinarie, che l'interprete nota includono 223 azioni acquisite nel piano di acquisto di azioni per dipendenti dell'azienda il 15/09/2025. Il Form 4 è stato firmato da un procuratore speciale per conto del signor Young.

John A. Young, quien ocupa un cargo de oficial y director en Ambarella, reportó una pequeña venta y actualizó sus participaciones. Se deshizo de 2.566 acciones ordinarias el 17/09/2025 a un precio de $79,43 por acción; la declaración explica que esas acciones se vendieron para pagar obligaciones fiscales derivadas de la adquisición de unidades de acciones restringidas. Después de esa operación y la actividad reciente, posee de forma beneficiosa 109.108 acciones ordinarias, que el presentante señala incluyen 223 acciones adquiridas bajo el plan de compra de acciones para empleados de la empresa el 15/09/2025. El Formulario 4 fue firmado por un apoderado en nombre del señor Young.

존 A. 영은 Ambarella의 임원 겸 이사로 재임하며 작은 매도와 보유 주식 업데이트를 보고했습니다. 그는 2,566주의 보통주를 2025-09-17에 주당 $79.43의 가격으로 처분했습니다; 제출서는 이 주식이 제한주식단위(RSU) 부여의 vesting으로 인한 세금 의무를 부담하기 위해 매도되었음을 설명합니다. 그 거래와 최근 활동 이후, 그는 109,108주의 보유지분을 실질적으로 보유하게 되었으며, 제출자는 이 중 223주가 회사의 직원주식매수계획에 따라 2025-09-15에 취득된 것이라고 언급합니다. Form 4는 영자 대리인이 Mr. Young을 대신 서명했습니다.

John A. Young, qui occupe le poste d’officier et de directeur chez Ambarella, a rapporté une faible vente et une mise à jour de ses avoirs. Il a cédé 2 566 actions ordinaires le 17/09/2025 au prix de $79,43 par action ; le dépôt explique que ces actions ont été vendues pour payer des obligations fiscales résultant de la maturation des restricted stock units. Après cette opération et l’activité récente, il détient avantageusement 109 108 actions ordinaires, que le déclarant note inclure 223 actions acquises dans le cadre du plan d’achat d’actions pour les employés de l’entreprise le 15/09/2025. Le Form 4 a été signé par un représentant légal agissant en tant que pouvoir pour M. Young.

John A. Young, der bei Ambarella als Beauftragter und Direktor tätig ist, meldete einen kleinen Verkauf und aktualisierte Beteiligungen. Er veräußerte 2.566 Stammaktien am 17.09.2025 zu einem Preis von $79,43 pro Aktie; die Einreichung erklärt, dass diese Aktien verkauft wurden, um Steuerverpflichtungen aus der Vesting von Restricted Stock Units zu begleichen. Nach dieser Transaktion und der jüngsten Aktivität besitzt er vorteilhaft 109.108 Stammaktien, wobei der Einreicher feststellt, dass 223 Aktien im Rahmen des Employee Stock Purchase Plan der Firma am 15.09.2025 erworben wurden. Das Formular 4 wurde von einem Bevollmächtigten im Namen von Herrn Young unterzeichnet.

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).
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*
Young John Alexander

(Last) (First) (Middle)
3001 TASMAN DRIVE

(Street)
SANTA CLARA CA 95054

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
AMBARELLA INC [ AMBA ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
CFO
3. Date of Earliest Transaction (Month/Day/Year)
09/17/2025
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
Ordinary Shares 09/17/2025 S 2,566(1) D $79.43 109,108(2) D
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. Shares sold to pay tax obligations resulting from the vesting of restricted stock units.
2. Includes 223 shares acquired under the Company's employee stock purchase plan on September 15, 2025.
By: /s/ Michael Morehead, Attorney-in-Fact For: John A. Young 09/19/2025
** 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 did AMBA insider John A. Young report on Form 4?

He reported the sale of 2,566 ordinary shares on 09/17/2025 at $79.43 per share and a beneficial ownership of 109,108 shares following the transaction.

Why were 2,566 shares sold by the AMBA reporting person?

The filing states the shares were sold to pay tax obligations resulting from the vesting of restricted stock units.

Does the Form 4 show any purchases by the reporting person?

Yes; the filing notes inclusion of 223 shares acquired under the company’s employee stock purchase plan on 09/15/2025.

What is the reporting person’s relationship to Ambarella (AMBA)?

The filer is identified as an officer (CFO) and director of Ambarella.

Was the Form 4 signed by the reporting person?

The document was executed by an attorney-in-fact on behalf of John A. Young.
Ambarella Inc

NASDAQ:AMBA

AMBA Rankings

AMBA Latest News

AMBA Latest SEC Filings

AMBA Stock Data

3.53B
40.51M
4.96%
87.27%
4.85%
Semiconductor Equipment & Materials
Semiconductors & Related Devices
Link
United States
SANTA CLARA