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HC
SEC Insider//CIK 0001316320

Hu Chenming

CIK 00013163207 companiesMILPITAS, CA
SEC Profile

Transactions

50

Companies

7

Filings

15

CIK

0001316320

Recent Transactions

50 trades
  • Award
    AMBARELLA INC$AMBA

    Ordinary Shares

    2025-09-02+2,498→ 29,516 total
  • Sale
    ACM Research, Inc.$ACMR

    Class A Common Stock

    2025-03-17$30.00/sh−163,308→ 100,002 total
  • Award
    AMBARELLA INC$AMBA

    Ordinary Shares

    2024-08-29+3,374→ 27,018 total
  • Award
    ACM Research, Inc.$ACMR

    Stock Option

    2024-08-12+20,000→ 20,000 total
  • Award
    AMBARELLA INC$AMBA

    Ordinary Shares

    2023-08-31+3,218→ 23,644 total
  • Award
    ACM Research, Inc.$ACMR

    Stock Option

    2023-08-10−24,000→ 24,000 total
  • Award
    ACM Research, Inc.$ACMR

    Stock Option

    2023-08-10−24,000→ 24,000 total
  • Award
    AMBARELLA INC$AMBA

    Ordinary Shares

    2023-06-15+1,559→ 20,426 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Ordinary Shares

    2023-03-15+779→ 18,867 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Restricted Stock Units

    2023-03-15−779→ 1,559 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Restricted Stock Units

    2022-12-16−779→ 2,338 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Ordinary Shares

    2022-12-16+779→ 18,088 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Restricted Stock Units

    2022-09-16−377→ 0 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Ordinary Shares

    2022-09-16+377→ 17,309 total
  • Award
    AMBARELLA INC$AMBA

    Restricted Stock Units

    2022-09-01+3,117→ 3,117 total
  • Award
    ACM Research, Inc.$ACMR

    Stock Option

    2022-06-30+24,000→ 24,000 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Restricted Stock Units

    2022-06-16−377→ 377 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Ordinary Shares

    2022-06-16+377→ 16,932 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Ordinary Shares

    2022-03-16+377→ 16,555 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Restricted Stock Units

    2022-03-16−377→ 754 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Ordinary Shares

    2022-02-25$38.92/sh+5,555→ 16,178 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Non-Qualified Stock Option (right to buy)

    2022-02-25−5,555→ 0 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Restricted Stock Units

    2021-12-16−377→ 1,131 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Ordinary Shares

    2021-12-16+377→ 10,623 total
  • Sale
    AMBARELLA INC$AMBA

    Ordinary Shares

    2021-09-22$160.00/sh−3,666→ 10,246 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Ordinary Shares

    2021-09-16+959→ 13,912 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Restricted Stock Units

    2021-09-16−959→ 0 total
  • Sale
    AMBARELLA INC$AMBA

    Ordinary Shares

    2021-09-09$140.00/sh−4,000→ 12,953 total
  • Award
    AMBARELLA INC$AMBA

    Restricted Stock Units

    2021-09-02+1,508→ 1,508 total
  • Sale
    AMBARELLA INC$AMBA

    Ordinary Shares

    2021-09-01$120.00/sh−4,000→ 16,953 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Restricted Stock Units

    2021-06-16−958→ 959 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Ordinary Shares

    2021-06-16+958→ 20,953 total
  • Exercise/Conversion
    ACM Research, Inc.$ACMR

    Class A Common Stock

    2021-05-04$3.00/sh+23,334→ 87,770 total
  • Exercise/Conversion
    ACM Research, Inc.$ACMR

    Stock Option

    2021-05-04+23,334→ 0 total
  • Disposition to Issuer
    INPHI Corp

    Common Stock

    2021-04-20−1,478→ 0 total
  • Disposition to Issuer
    INPHI Corp

    Common Stock

    2021-04-20−65,503→ 1,478 total
  • Exercise/Conversion
    ACM Research, Inc.$ACMR

    Stock Option

    2021-03-30+10,000→ 23,334 total
  • Exercise/Conversion
    ACM Research, Inc.$ACMR

    Class A Common Stock

    2021-03-30$3.00/sh+10,000→ 64,436 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Ordinary Shares

    2021-03-16+958→ 19,995 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Restricted Stock Units

    2021-03-16−958→ 1,917 total
  • Exercise/Conversion
    ACM Research, Inc.$ACMR

    Stock Option

    2021-03-08+12,334→ 0 total
  • Exercise/Conversion
    ACM Research, Inc.$ACMR

    Class A Common Stock

    2021-03-08$7.50/sh+12,334→ 54,436 total
  • Exercise/Conversion
    ACM Research, Inc.$ACMR

    Class A Common Stock

    2021-03-04$7.50/sh+11,000→ 42,102 total
  • Exercise/Conversion
    ACM Research, Inc.$ACMR

    Stock Option

    2021-03-04+11,000→ 12,334 total
  • Exercise/Conversion
    ACM Research, Inc.$ACMR

    Class A Common Stock

    2021-03-02$7.50/sh+10,000→ 31,102 total
  • Exercise/Conversion
    ACM Research, Inc.$ACMR

    Stock Option

    2021-03-02+10,000→ 23,334 total
  • Award
    ACM Research, Inc.$ACMR

    Stock Option

    2021-02-22+5,000→ 5,000 total
  • Award
    ACM Research, Inc.$ACMR

    Stock Option

    2021-02-22+5,000→ 5,000 total
  • Sale
    ACM Research, Inc.$ACMR

    Class A Common Stock

    2021-02-12$120.00/sh−10,000→ 21,102 total
  • Exercise/Conversion
    AMBARELLA INC$AMBA

    Ordinary Shares

    2020-12-16+958→ 19,037 total

Companies

7

Recent Filings

15

Address

601 MCCARTHY BLVD.

MILPITAS, CA, 95035

View on SEC.gov