Home/Filings/4/0001140361-25-034208
4//SEC Filing

Wang David H 4

Accession 0001140361-25-034208

CIK 0001680062other

Filed

Sep 4, 8:00 PM ET

Accepted

Sep 5, 4:30 PM ET

Size

18.3 KB

Accession

0001140361-25-034208

Insider Transaction Report

Form 4
Period: 2025-09-03
Wang David H
DirectorSee Remarks10% Owner
Transactions
  • Exercise/Conversion

    Class A Common Stock

    2025-09-03$1.00/sh+70,000$70,000742,708 total
  • Sale

    Class A Common Stock

    2025-09-03$26.73/sh66,057$1,765,704676,651 total
  • Exercise/Conversion

    Stock Option

    2025-09-0460,000740,002 total
    Exercise: $1.00Exp: 2026-12-27Class A Common Stock (60,000 underlying)
  • Sale

    Class A Common Stock

    2025-09-03$27.31/sh3,943$107,683672,708 total
  • Exercise/Conversion

    Class A Common Stock

    2025-09-04$1.00/sh+60,000$60,000732,708 total
  • Sale

    Class A Common Stock

    2025-09-04$26.44/sh60,000$1,586,400672,708 total
  • Exercise/Conversion

    Stock Option

    2025-09-0370,000800,002 total
    Exercise: $1.00Exp: 2026-12-27Class A Common Stock (70,000 underlying)
Holdings
  • Class A Common Stock

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

    (indirect: By Trust)
    180,000
  • Class A Common Stock

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

    (indirect: By Sophia Wang, daughter of David H. Wang)
    45,837
Footnotes (5)
  • [F1]The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 29, 2024.
  • [F2]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $26.25 to $27.19, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2), (3), and (4) to this Form 4.
  • [F3]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $27.29 to $27.33, inclusive.
  • [F4]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $26.14 to $26.68, inclusive.
  • [F5]The option is fully vested and exercisable.

Issuer

ACM Research, Inc.

CIK 0001680062

Entity typeother

Related Parties

1
  • filerCIK 0001721580

Filing Metadata

Form type
4
Filed
Sep 4, 8:00 PM ET
Accepted
Sep 5, 4:30 PM ET
Size
18.3 KB