[Form 4] ACM Research, Inc. Insider Trading Activity
David H. Wang, CEO and Director of ACM Research, Inc. (ACMR), exercised 130,000 vested stock options by net exercise on 09/08/2025 at an exercise price of $1 per share. The filing shows the option was fully vested and the net exercise closed on that date, resulting in 610,002 shares held directly after the transaction. The report also discloses indirect holdings: 100,002 shares held by Jing Chen (his wife), 45,837 by his daughter Sophia Wang, 180,000 by a family trust for his children, and 620,001 by the Wang-Chen Family Living Trust. The Form 4 was signed by an attorney-in-fact on 09/30/2025.
David H. Wang, CEO e Direttore di ACM Research, Inc. (ACMR), ha esercitato 130.000 stock option maturate tramite net exercise il 09/08/2025 a un prezzo di esercizio di $1 per azione. La dichiarazione mostra che l'opzione era completamente maturata e l'esercizio netto si è chiuso in quella data, risultando in 610.002 azioni detenute direttamente dopo la transazione. La relazione rivela anche partecipazioni indirette: 100.002 azioni detenute da Jing Chen (sua moglie), 45.837 dalla sua figlia Sophia Wang, 180.000 da un trust familiare per i suoi figli, e 620.001 dal Wang-Chen Family Living Trust. Il Form 4 è stato firmato da un procuratore-in-fatto il 09/30/2025.
David H. Wang, director ejecutivo y director de ACM Research, Inc. (ACMR), ejerció 130.000 opciones sobre acciones mediante ejercicio neto el 09/08/2025 a un precio de ejercicio de $1 por acción. La declaración muestra que la opción estaba completamente adquirida y el ejercicio neto se cerró en esa fecha, resultando en 610.002 acciones mantenidas directamente después de la transacción. El informe también revela participaciones indirectas: 100.002 acciones en posesión de Jing Chen (su esposa), 45.837 por su hija Sophia Wang, 180.000 por un fideicomiso familiar para sus hijos, y 620.001 por el Wang-Chen Family Living Trust. El Formulario 4 fue firmado por un apoderado el 30/09/2025.
David H. Wang, ACM Research, Inc. (ACMR)의 CEO 겸 이사는 2025년 9월 8일에 130,000주를 순행사(net exercise)로 행사했고 행사 가격은 주당 $1이었습니다. 공시에는 옵션이 완전히 귀속되었고 그 날짜에 순행사가 마감되어 거래 후 직접 보유 주식 610,002주가 발생했습니다. 보고서는 간접 보유도 공개합니다: Jing Chen(그의 부인)이 보유한 100,002주, 그의 딸 Sophia Wang이 보유한 45,837주, 자녀를 위한 가족 신탁이 보유한 180,000주, Wang-Chen Family Living Trust가 보유한 620,001주. 양식 4(Form 4)는 2025년 9월 30일에 대리인에 의해 서명되었습니다.
David H. Wang, PDG et administrateur d'ACM Research, Inc. (ACMR), a exercé 130 000 options sur actions par exercice net le 09/08/2025 à un prix d'exercice de 1 $ par action. Le dépôt indique que l'option était entièrement acquise et que l'exercice net s'est clos à cette date, ce qui a donné 610 002 actions détenues directement après la transaction. Le rapport divulge également des participations indirectes : 100 002 actions détenues par Jing Chen (son épouse), 45 837 par sa fille Sophia Wang, 180 000 par une fiducie familiale pour ses enfants, et 620 001 par le Wang-Chen Family Living Trust. Le Formulaire 4 a été signé par un mandataire le 30/09/2025.
David H. Wang, CEO und Direktor von ACM Research, Inc. (ACMR), hat am 09/08/2025 130.000 verfallene Aktienoptionen durch Net Exercise ausgeübt und der Ausübungspreis betrug 1 $ pro Aktie. Die Einreichung zeigt, dass die Option vollständig vestet war und das Net Exercise an diesem Datum abgeschlossen wurde, was 610.002 direkt gehaltene Aktien nach der Transaktion zur Folge hatte. Der Bericht nennt auch indirekte Beteiligungen: 100.002 Aktien im Besitz von Jing Chen (seine Frau), 45.837 von seiner Tochter Sophia Wang, 180.000 von einem Familientrust für seine Kinder und 620.001 vom Wang-Chen Family Living Trust. Das Formular 4 wurde von einem Bevollmächtigten am 30.09.2025 unterzeichnet.
ديفيد هـ. وانغ، الرئيس التنفيذي والمدير في ACM Research, Inc. (ACMR)، قام بممارسة 130,000 خيار أسهم محصّلة عن طريق التمرين الصافي في 09/08/2025 وبسعر تمرين قدره 1 دولار للسهم. أظهر الإيداع أن الخيار كان مكتمل الاستحقاق وانتهى التمرين الصافي في ذلك التاريخ، مما أدى إلى ملكية مباشرة لــ 610,002 سهماً بعد الصفقة. كما يكشف التقرير عن حيازات غير مباشرة: 100,002 سهم في حيازة جينغ تشن (زوجته)، 45,837 بواسطة ابنتها صوفيا وانغ، 180,000 بواسطة صندوق عائلي لأبنائه، و620,001 بواسطة Wang-Chen Family Living Trust. تم توقيع النموذج 4 من قبل وكيل قانوني في 30/09/2025.
David H. Wang，ACM Research, Inc. (ACMR) 的首席执行官兼董事，在 2025 年 9 月 8 日通过净行权方式行使了 130,000 股行权股票，行权价为每股 1 美元。 该备案显示该期权已全部归属，净行权在该日期完成，交易后直接持有 610,002 股。报告还披露了间接持股：Jing Chen（他的妻子）持有 100,002 股，其女儿 Sophia Wang 持有 45,837 股，为其子女设立的家族信托持有 180,000 股，Wang-Chen Family Living Trust 持有 620,001 股。Form 4 于 2025-09-30 由授权代理人签署。
- Insider exercised 130,000 vested options, increasing direct ownership and converting compensation into equity
- Transaction executed at $1 per share, with the option described as fully vested
- Full disclosure of indirect holdings (spouse, daughter, trusts) with specific share counts
- None.
Insights
TL;DR: Insider exercised 130,000 vested options, increasing direct holdings to 610,002 shares—a meaningful insider purchase signal.
The transaction is a net exercise of previously granted options at $1 per share, executed on 09/08/2025 for 130,000 shares. Net exercises convert options into common stock without an immediate cash outlay equal to the full strike cost, and here the reporting person increases direct equity to 610,002 shares. From a capital-structure perspective this is a routine conversion of options to shares and the filing states the options were fully vested.
TL;DR: Filing documents a standard, vested-option exercise and lists related-party indirect holdings; disclosure appears complete and procedural.
The Form 4 identifies the reporting person as CEO, President and Director and discloses indirect ownership through spouse, child and family trusts with specific share counts. The form was executed by an attorney-in-fact. The filing includes the required transaction code (M) and vesting statement; no amendments or qualifications are noted within the document provided.
David H. Wang, CEO e Direttore di ACM Research, Inc. (ACMR), ha esercitato 130.000 stock option maturate tramite net exercise il 09/08/2025 a un prezzo di esercizio di $1 per azione. La dichiarazione mostra che l'opzione era completamente maturata e l'esercizio netto si è chiuso in quella data, risultando in 610.002 azioni detenute direttamente dopo la transazione. La relazione rivela anche partecipazioni indirette: 100.002 azioni detenute da Jing Chen (sua moglie), 45.837 dalla sua figlia Sophia Wang, 180.000 da un trust familiare per i suoi figli, e 620.001 dal Wang-Chen Family Living Trust. Il Form 4 è stato firmato da un procuratore-in-fatto il 09/30/2025.
David H. Wang, director ejecutivo y director de ACM Research, Inc. (ACMR), ejerció 130.000 opciones sobre acciones mediante ejercicio neto el 09/08/2025 a un precio de ejercicio de $1 por acción. La declaración muestra que la opción estaba completamente adquirida y el ejercicio neto se cerró en esa fecha, resultando en 610.002 acciones mantenidas directamente después de la transacción. El informe también revela participaciones indirectas: 100.002 acciones en posesión de Jing Chen (su esposa), 45.837 por su hija Sophia Wang, 180.000 por un fideicomiso familiar para sus hijos, y 620.001 por el Wang-Chen Family Living Trust. El Formulario 4 fue firmado por un apoderado el 30/09/2025.
David H. Wang, ACM Research, Inc. (ACMR)의 CEO 겸 이사는 2025년 9월 8일에 130,000주를 순행사(net exercise)로 행사했고 행사 가격은 주당 $1이었습니다. 공시에는 옵션이 완전히 귀속되었고 그 날짜에 순행사가 마감되어 거래 후 직접 보유 주식 610,002주가 발생했습니다. 보고서는 간접 보유도 공개합니다: Jing Chen(그의 부인)이 보유한 100,002주, 그의 딸 Sophia Wang이 보유한 45,837주, 자녀를 위한 가족 신탁이 보유한 180,000주, Wang-Chen Family Living Trust가 보유한 620,001주. 양식 4(Form 4)는 2025년 9월 30일에 대리인에 의해 서명되었습니다.
David H. Wang, PDG et administrateur d'ACM Research, Inc. (ACMR), a exercé 130 000 options sur actions par exercice net le 09/08/2025 à un prix d'exercice de 1 $ par action. Le dépôt indique que l'option était entièrement acquise et que l'exercice net s'est clos à cette date, ce qui a donné 610 002 actions détenues directement après la transaction. Le rapport divulge également des participations indirectes : 100 002 actions détenues par Jing Chen (son épouse), 45 837 par sa fille Sophia Wang, 180 000 par une fiducie familiale pour ses enfants, et 620 001 par le Wang-Chen Family Living Trust. Le Formulaire 4 a été signé par un mandataire le 30/09/2025.
David H. Wang, CEO und Direktor von ACM Research, Inc. (ACMR), hat am 09/08/2025 130.000 verfallene Aktienoptionen durch Net Exercise ausgeübt und der Ausübungspreis betrug 1 $ pro Aktie. Die Einreichung zeigt, dass die Option vollständig vestet war und das Net Exercise an diesem Datum abgeschlossen wurde, was 610.002 direkt gehaltene Aktien nach der Transaktion zur Folge hatte. Der Bericht nennt auch indirekte Beteiligungen: 100.002 Aktien im Besitz von Jing Chen (seine Frau), 45.837 von seiner Tochter Sophia Wang, 180.000 von einem Familientrust für seine Kinder und 620.001 vom Wang-Chen Family Living Trust. Das Formular 4 wurde von einem Bevollmächtigten am 30.09.2025 unterzeichnet.
FAQ
What did ACMR insider David H. Wang do on 09/08/2025?
How many Class A shares does David H. Wang directly own after the transaction?
Does the Form 4 disclose indirect holdings for David H. Wang?
Was the option exercised fully vested?
Who signed the Form 4 and when?
