ACM Research, Inc.·4

Sep 30, 9:33 PM ET

Wang David H 4

4 · ACM Research, Inc. · Filed Sep 30, 2025

Insider Transaction Report

Form 4
Period: 2025-09-08
Wang David H
DirectorSee Remarks10% Owner
Transactions
  • Exercise/Conversion

    Stock Option

    2025-09-08130,000610,002 total
    Exercise: $1.00Exp: 2026-12-27Class A Common Stock (130,000 underlying)
  • Exercise/Conversion

    Class A Common Stock

    2025-09-08$1.00/sh+130,000$130,000802,708 total
Holdings
  • Class A Common Stock

    (indirect: By Sophia Wang, daughter of David H. Wang)
    45,837
  • Class A Common Stock

    (indirect: By Trust)
    620,001
  • Class A Common Stock

    (indirect: By Spouse)
    100,002
  • Class A Common Stock

    (indirect: By Trust)
    180,000
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.

Documents

1 file
  • 4
    form4.xmlPrimary

    FORM 4