Wang David H 4
4 · ACM Research, Inc. · Filed Sep 30, 2025
Insider Transaction Report
Form 4
Wang David H
DirectorSee Remarks10% Owner
Transactions
- Exercise/Conversion
Stock Option
2025-09-08−130,000→ 610,002 totalExercise: $1.00Exp: 2026-12-27→ Class A Common Stock (130,000 underlying) - Exercise/Conversion
Class A Common Stock
2025-09-08$1.00/sh+130,000$130,000→ 802,708 total
Holdings
- 45,837(indirect: By Sophia Wang, daughter of David H. Wang)
Class A Common Stock
- 620,001(indirect: By Trust)
Class A Common Stock
- 100,002(indirect: By Spouse)
Class A Common Stock
- 180,000(indirect: By Trust)
Class A Common Stock
Footnotes (2)
- [F1]On September 8, 2025, the reporting person exercised, by net exercise, a previously issued stock option to purchase 130,000 shares of Class A Common Stock of the Issuer.
- [F2]The option is fully vested and exercisable.