ACM Research, Inc.
    Insider Ownership

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    Current Insider Ownership

    Hu ChenmingDirector
    Class A Common StockStock Option
    Mar 17, 2025Aug 12, 2024
    100,00268,000
    0.150.10
    4,492,0903,054,560
    Pappis Charles CDirector
    Stock Option
    Aug 12, 2025
    30,000
    0.05
    1,347,600
    Cheav SothearaSee remarks
    Class A Common StockStock Option
    Sep 18, 2025Sep 18, 2025
    100,002156,250
    0.150.24
    4,492,0907,018,750
    Liu TracyDirector
    Class A Common StockStock Option
    Sep 17, 2025Sep 17, 2025
    110,772167,500
    0.170.25
    4,975,8787,524,100
    Wang David HSee Remarks
    Class A Common StockStock Option
    Dec 4, 2025Feb 4, 2026
    802,7084,276,199
    1.226.51
    36,057,643192,086,859
    Dun HaipingDirector
    Stock Option
    Aug 12, 2025
    88,000
    0.13
    3,952,960
    Wang JianSee remarks
    Class A Common StockStock Option
    Sep 18, 2025Sep 18, 2025
    253,15815,000
    0.390.02
    11,371,857673,800
    Chen FupingSee remarks
    Stock Option
    Dec 3, 2025
    54,165
    0.08
    2,433,092
    Mckechnie MarkSee Remarks
    Class A Common StockStock Option
    Dec 8, 2025Dec 8, 2025
    900600,000
    0.000.91
    40,42826,952,000
    Feng LisaSee remarks
    Class A Common StockStock Option
    Nov 13, 2025Nov 13, 2025
    50,001222,500
    0.080.34
    2,246,0459,994,700
    Xing XiaoDirector
    Class A Common StockStock Option
    Oct 8, 2024Aug 10, 2023
    2,338,51048,000
    3.560.07
    105,045,8692,156,160
    Shanghai Pudong Science & Technology Investment Group Co., Ltd.10% Owner
    Class A Common Stock, $0.0001 par value
    Oct 8, 2024
    2,338,510
    3.56
    105,045,869
    Shanghai Science & Technology Venture Capital (Group) Co., Ltd.10% Owner
    Class A Common Stock, $0.0001 par value
    Oct 8, 2024
    2,338,510
    3.56
    105,045,869

    Insider Trading Trends

    Insider Transactions

    Voluntary Buys vs Sells

    Historical Insider Trading (3-Years)

    10b5-1

    Wang David HClass A Common StockNoNoGrant
    ACQUIRE
    A
    		7.36+545,4004,014,1441,636,197Feb 4, 2026
    Mckechnie MarkClass A Common StockNoYesSell
    DISPOSE
    S
    		35.45-22,500797,625900Dec 8, 2025
    Mckechnie MarkClass A Common StockNoNoExercise/Conversion
    DISPOSE
    M
    		25.45-22,500572,6250Dec 8, 2025
    Mckechnie MarkClass A Common StockNoNoExercise/Conversion
    ACQUIRE
    M
    		25.45+22,500572,62523,400Dec 8, 2025
    Wang David HClass A Common StockNoYesSell
    DISPOSE
    S
    		33.52-19,817664,266842,891Dec 4, 2025
    Wang David HClass A Common StockNoNoExercise/Conversion
    ACQUIRE
    M
    		1.00+60,00060,000862,708Dec 4, 2025
    Wang David HClass A Common StockNoNoExercise/Conversion
    DISPOSE
    M
    		1.00-60,00060,000480,002Dec 4, 2025
    Mckechnie MarkClass A Common StockNoNoExercise/Conversion
    ACQUIRE
    M
    		4.55+8,75039,8139,650Dec 4, 2025
    Mckechnie MarkClass A Common StockNoYesSell
    DISPOSE
    S
    		33.50-7,754259,7591,896Dec 4, 2025
    Wang David HClass A Common StockNoYesSell
    DISPOSE
    S
    		34.42-40,1831,383,099802,708Dec 4, 2025
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