Hu Chenming
    Insider Ownership

    Current Insider Ownership

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    ACMRAcm Research, Inc.Director
    Class A Common StockStock Option
    Mar 17, 2025Aug 12, 2024
    100,00268,000
    0.150.10
    6,367,1274,329,560
    AMBAAmbarella IncDirector
    Ordinary Shares
    Sep 2, 2025
    29,516
    0.07
    2,395,519

    Historical Insider Trading (3-Years)

    10b5-1

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    AMBAAmbarella IncOrdinary SharesNoNoGrant
    ACQUIRE
    A
    0.00+2,498029,516Sep 2, 2025
    ACMRAcm Research, Inc.Class A Common StockNoYesSell
    DISPOSE
    S
    30.00-163,3084,899,240100,002Mar 17, 2025
    AMBAAmbarella IncOrdinary SharesNoNoGrant
    ACQUIRE
    A
    0.00+3,374027,018Aug 29, 2024