Cheav Sotheara 4
4 · ACM Research, Inc. · Filed Aug 26, 2025
Insider Transaction Report
Form 4
Cheav Sotheara
See remarks
Transactions
- Exercise/Conversion
Class A Common Stock
2025-08-22$13.89/sh+11,152$154,901→ 111,154 total - Exercise/Conversion
Stock Option
2025-08-22−11,152→ 66,250 totalExercise: $13.89Exp: 2033-08-09→ Class A Common Stock (11,152 underlying) - Sale
Class A Common Stock
2025-08-22$30.00/sh−11,152$334,560→ 100,002 total
Footnotes (3)
- [F1]On August 22, 2025, the reporting person exercised a previously issued stock option to purchase 11,152 shares of Class A Common Stock of the Issuer.
- [F2]The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 15, 2025.
- [F3]The option will vest and become exercisable as to 7,500 shares on May 15, 2026 and the remaining 22,500 shares will vest and become exercisable in equal monthly installments over the following 36 months, subject to continued service through each vesting date. Option is fully vested and exercisable.