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Insiders · Profile

Hu Chenming

Director at ACM Research · Director at AMBARELLA. Filing since 9 Jun 2015. CIK 0001316320

ACMR ACM Research, Inc. Director · 5 trades AMBA AMBARELLA INC Director · 8 trades
Company
Date
Role
Action
Shares
Amount
Of holding
ACMR ACM Research, Inc.
17 Mar 2025
Director
Sold on a plan
163,308
$4.90M
62.0%
AMBA AMBARELLA INC
22 Sep 2021
Director
Sold, plan not stated
3,666
$586.56K
26.4%
AMBA AMBARELLA INC
9 Sep 2021
Director
Sold, plan not stated
4,000
$560.00K
23.6%
AMBA AMBARELLA INC
1 Sep 2021
Director
Sold, plan not stated
4,000
$480.00K
19.1%
ACMR ACM Research, Inc.
12 Feb 2021
Director
Sold, plan not stated
10,000
$1.20M
32.2%
AMBA AMBARELLA INC
3 Dec 2020
Director
Sold, plan not stated
5,818
$511.98K
24.3%
AMBA AMBARELLA INC
27 Nov 2020
Director
Sold, plan not stated
5,000
$390.00K
17.3%
AMBA AMBARELLA INC
24 Nov 2020
Director
Sold, plan not stated
5,000
$353.35K
14.8%
ACMR ACM Research, Inc.
3 Aug 2020
Director
Sold, plan not stated
7,806
$780.60K
100%
ACMR ACM Research, Inc.
13 Jul 2020
Director
Sold, plan not stated
14,000
$1.18M
64.2%
ACMR ACM Research, Inc.
3 Jun 2020
Director
Sold, plan not stated
8,194
$533.59K
27.3%
AMBA AMBARELLA INC
30 Sep 2019
Director
Sold, plan not stated
10,000
$630.00K
25.4%
AMBA AMBARELLA INC
9 Jun 2015
Director
Sold, plan not stated
15,000
$1.66M
78.3%
13 decisions on file.