| Date Filed | Type | Description |
| 08/21/2023 |
4/A
| Hu Chenming (Director) has filed a Form 4 on ACM Research, Inc.|
Txns:
| Granted 24,000 options
@ $0 |
|
| 08/14/2023 |
4
| Hu Chenming (Director) has filed a Form 4 on ACM Research, Inc.|
Txns:
| Granted 24,000 options
@ $13.24, valued at
$317.8k
|
|
| 03/17/2023 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Exercised 779 restricted stock units
@ $0 |
|
| 12/20/2022 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Exercised 779 restricted stock units
@ $0 |
|
| 09/20/2022 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Exercised 377 restricted stock units
@ $0 |
|
| 09/02/2022 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Granted 3,117 restricted stock units
@ $0 |
|
| 07/05/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/17/2022 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Exercised 377 restricted stock units
@ $0 |
|
| 03/18/2022 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Exercised 377 restricted stock units
@ $0 |
|
| 03/01/2022 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Exercised 5,555 options to buy
@ $38.92, valued at
$216.2k
|
|
| 12/17/2021 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Exercised 377 restricted stock units
@ $0 |
|
| 09/24/2021 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Sold 3,666 shares
@ $160, valued at
$586.6k
|
|
| 09/17/2021 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Exercised 959 restricted stock units
@ $0 |
|
| 09/10/2021 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Sold 4,000 shares
@ $140, valued at
$560k
|
|
| 09/07/2021 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Granted 1,508 restricted stock units
@ $0 |
|
| 09/02/2021 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Sold 4,000 shares
@ $120, valued at
$480k
|
|
| 06/17/2021 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Exercised 958 restricted stock units
@ $0 |
|
| 05/06/2021 |
4
| Hu Chenming (Director) has filed a Form 4 on ACM Research, Inc.|
Txns:
| Exercised 23,334 options
@ $3, valued at
$70k
|
|
| 04/20/2021 |
4
| Hu Chenming (Director) has filed a Form 4 on INPHI Corp|
Txns:
| Disposed/sold 65,503 shares
@ $0
Disposed/sold 1,478 shares
@ $0 |
|
| 04/01/2021 |
4
| Hu Chenming (Director) has filed a Form 4 on ACM Research, Inc.|
Txns:
| Exercised 10,000 options
@ $3, valued at
$30k
|
|
| 03/18/2021 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Exercised 958 restricted stock units
@ $0 |
|
| 03/08/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 03/05/2021 |
4/A
| Form 4/A - Statement of changes in beneficial ownership of securities: [Amend] |
| 03/03/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 02/16/2021 |
4
| Hu Chenming (Director) has filed a Form 4 on ACM Research, Inc.|
Txns:
| Sold 10,000 shares
@ $120, valued at
$1.2M
|
|
| 12/18/2020 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Exercised 958 restricted stock units
@ $0 |
|
| 12/04/2020 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Sold 5,818 shares
@ $88, valued at
$512k
|
|
| 12/02/2020 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Sold 5,000 shares
@ $78, valued at
$390k
|
|
| 11/25/2020 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Sold 5,000 shares
@ $70.67, valued at
$353.4k
|
|
| 10/01/2020 |
4
| Hu Chenming (Director) has filed a Form 4 on Fortinet, Inc.|
Txns:
| Exercised 448 restricted stock units
@ $0 |
|
| 09/18/2020 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Exercised 858 restricted stock units
@ $0 |
|
| 09/10/2020 |
4
| Hu Chenming (Director) has filed a Form 4 on ACM Research, Inc.|
Txns:
| Exercised 31,102 options
@ $3, valued at
$93.3k
|
|
| 09/09/2020 |
4
| Hu Chenming (Director) has filed a Form 4 on AMBARELLA INC|
Txns:
| Granted 3,833 restricted stock units
@ $0 |
|
| 08/05/2020 |
4
| Hu Chenming (Director) has filed a Form 4 on ACM Research, Inc.|
Txns:
| Sold 7,806 shares
@ $100, valued at
$780.6k
|
|
|