Dun Haiping 4
4 · ACM Research, Inc. · Filed Mar 5, 2025
Insider Transaction Report
Form 4
Dun Haiping
Director
Transactions
- Exercise/Conversion
Class A Common Stock
2025-03-03$0.50/sh+25,001$12,501→ 780,091 total - Tax Payment
Class A Common Stock
2025-03-03$25.94/sh−482$12,503→ 779,609 total - Exercise/Conversion
Stock Option
2025-03-03−25,001→ 0 totalExercise: $0.50Exp: 2025-04-30→ Class A Common Stock (25,001 underlying)
Holdings
- 100,000(indirect: By Trust)
Class A Common Stock
Footnotes (2)
- [F1]On March 3 2025, the reporting person exercised, by net exercise, a previously issued stock option to purchase 25,001 shares of Class A Common Stock of the Issuer. The reporting person paid the exercise price on a cashless basis, resulting in the Issuer withholding 482 shares of Class A Common Stock for payment of the exercise price, based on the closing price of the Issuer's Class A Common Stock on February 28, 2025 of $25.94, and issuing to the reporting person the remaining 24,519 shares of Class A Common Stock.
- [F2]The option is fully vested and exercisable.