Liu Tracy 4
4 · ACM Research, Inc. · Filed Sep 19, 2025
Insider Transaction Report
Form 4
Liu Tracy
Director
Transactions
- Exercise/Conversion
Class A Common Stock
2025-09-17$1.00/sh+15,000$15,000→ 125,772 total - Sale
Class A Common Stock
2025-09-17$33.00/sh−15,000$495,000→ 110,772 total - Exercise/Conversion
Stock Option
2025-09-17−15,000→ 60,000 totalExercise: $1.00Exp: 2026-12-27→ Class A Common Stock (15,000 underlying)
Footnotes (3)
- [F1]On September 17, 2025, the reporting person exercised a previously issued stock option to purchase 15,000 shares of Class A Common Stock of the Issuer.
- [F2]The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2025.
- [F3]The option is fully vested and exercisable.