Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Hu Chenming
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2021-09-22
Sale
2021-09-24
4:34 pm
AMBARELLA INCAMBAHu Chenming
Director
3,666$160$586,56010,246
(Direct)
View
2021-09-09
Sale
2021-09-10
5:37 pm
AMBARELLA INCAMBAHu Chenming
Director
4,000$140$560,00012,953
(Direct)
View
2021-09-01
Sale
2021-09-02
4:57 pm
AMBARELLA INCAMBAHu Chenming
Director
4,000$120$480,00016,953
(Direct)
View
2021-02-12
Sale
2021-02-16
5:43 pm
ACM Research Inc.ACMRHu Chenming
Director
10,000$120$1,200,00021,102
(Direct)
View
2020-12-03
Sale
2020-12-04
5:07 pm
AMBARELLA INCAMBAHu Chenming
Director
5,818$88$511,98418,079
(Direct)
View
2020-11-27
Sale
2020-12-02
5:18 pm
AMBARELLA INCAMBAHu Chenming
Director
5,000$78$390,00023,897
(Direct)
View
2020-11-24
Sale
2020-11-25
5:24 pm
AMBARELLA INCAMBAHu Chenming
Director
5,000$70.67$353,35028,897
(Direct)
View
2020-08-03
Sale
2020-08-05
5:30 pm
ACM Research Inc.ACMRHu Chenming
Director
7,806$100$780,6000
(Direct)
View
2020-07-13
Sale
2020-07-15
8:00 pm
ACM Research Inc.ACMRHu Chenming
Director
14,000$84.15$1,178,1007,806
(Direct)
View
2020-06-03
Sale
2020-06-05
9:16 pm
ACM Research Inc.ACMRHu Chenming
Director
8,194$65.12$533,59321,806
(Direct)
View
2019-11-25
Sale
2019-11-26
10:59 am
INPHI CorpIPHIHu Chenming
Director
7,000$71$497,00065,503
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2022-12-16
Exercise
2022-12-20
5:11 pm
N/A
2023-09-15
AMBARELLA INCAMBAHu Chenming
Director
779$020,426
(Direct)
View
2022-09-16
Exercise
2022-09-20
4:55 pm
N/A
2022-09-15
AMBARELLA INCAMBAHu Chenming
Director
377$017,309
(Direct)
View
2022-09-01
Option Award
2022-09-02
5:06 pm
N/A
2023-09-15
AMBARELLA INCAMBAHu Chenming
Director
3,117$03,117
(Direct)
View
2022-06-30
Option Award
2022-07-05
5:32 pm
N/A
2032-06-29
ACM Research Inc.ACMRHu Chenming
Director
24,000$024,000
(Direct)
View
2022-06-16
Exercise
2022-06-17
6:19 pm
N/A
2022-09-15
AMBARELLA INCAMBAHu Chenming
Director
377$017,309
(Direct)
View
2022-03-16
Exercise
2022-03-18
5:35 pm
N/A
2022-09-15
AMBARELLA INCAMBAHu Chenming
Director
377$017,309
(Direct)
View
2022-02-25
Exercise
2022-03-01
8:14 pm
N/A
N/A
AMBARELLA INCAMBAHu Chenming
Director
5,555$38.9216,178
(Direct)
View
2022-02-25
Exercise
2022-03-01
8:14 pm
N/A
2024-09-07
AMBARELLA INCAMBAHu Chenming
Director
5,555$016,178
(Direct)
View
2021-12-16
Exercise
2021-12-17
5:35 pm
N/A
2022-09-15
AMBARELLA INCAMBAHu Chenming
Director
377$011,754
(Direct)
View
2021-09-16
Exercise
2021-09-17
5:22 pm
N/A
2021-09-15
AMBARELLA INCAMBAHu Chenming
Director
959$013,912
(Direct)
View
2021-09-02
Option Award
2021-09-07
7:47 pm
N/A
2022-09-15
AMBARELLA INCAMBAHu Chenming
Director
1,508$01,508
(Direct)
View
2021-06-16
Exercise
2021-06-17
5:04 pm
N/A
2021-09-15
AMBARELLA INCAMBAHu Chenming
Director
958$021,912
(Direct)
View
2021-05-04
Exercise
2021-05-06
5:30 pm
N/A
N/A
ACM Research Inc.ACMRHu Chenming
Director
23,334$387,770
(Direct)
View
2021-05-04
Exercise
2021-05-06
5:30 pm
N/A
2026-12-27
ACM Research Inc.ACMRHu Chenming
Director
23,334$087,770
(Direct)
View
2021-04-20
Disposition
2021-04-20
8:25 pm
N/A
N/A
INPHI CorpIPHIHu Chenming
Director
66,981$00
(Direct)
View
2021-03-30
Exercise
2021-04-01
7:39 pm
N/A
N/A
ACM Research Inc.ACMRHu Chenming
Director
10,000$387,770
(Direct)
View
2021-03-30
Exercise
2021-04-01
7:39 pm
N/A
2026-12-27
ACM Research Inc.ACMRHu Chenming
Director
10,000$087,770
(Direct)
View
2021-03-16
Exercise
2021-03-18
5:02 pm
N/A
2021-09-15
AMBARELLA INCAMBAHu Chenming
Director
958$021,912
(Direct)
View
2021-03-04
Exercise
2021-03-08
7:13 pm
N/A
2027-03-08
ACM Research Inc.ACMRHu Chenming
Director
23,334$066,770
(Direct)
View
2021-03-04
Exercise
2021-03-08
7:13 pm
N/A
N/A
ACM Research Inc.ACMRHu Chenming
Director
23,334$7.566,770
(Direct)
View
2021-02-22(A)
Option Award
2021-03-05
9:45 pm
N/A
2031-02-21
ACM Research Inc.ACMRHu Chenming
Director
5,000$05,000
(Direct)
View
2021-02-22
Exercise
2021-03-03
5:30 pm
N/A
2027-03-08
ACM Research Inc.ACMRHu Chenming
Director
10,000$059,436
(Direct)
View
2021-02-22
Exercise
2021-03-03
5:30 pm
N/A
N/A
ACM Research Inc.ACMRHu Chenming
Director
10,000$7.559,436
(Direct)
View
2021-02-22
Option Award
2021-03-03
5:30 pm
N/A
2031-02-21
ACM Research Inc.ACMRHu Chenming
Director
5,000$059,436
(Direct)
View
2020-12-16
Exercise
2020-12-18
4:45 pm
N/A
2021-09-15
AMBARELLA INCAMBAHu Chenming
Director
958$021,912
(Direct)
View
2020-09-30
Exercise
2020-10-01
4:59 pm
N/A
N/A
Fortinet Inc.FTNTHu Chenming
Director
448$03,924
(Direct)
View
2020-09-16
Exercise
2020-09-18
4:55 pm
N/A
N/A
AMBARELLA INCAMBAHu Chenming
Director
858$033,897
(Direct)
View
2020-09-08
Exercise
2020-09-10
7:00 pm
N/A
N/A
ACM Research Inc.ACMRHu Chenming
Director
31,102$331,102
(Direct)
View
2020-09-08
Exercise
2020-09-10
7:00 pm
N/A
2026-12-27
ACM Research Inc.ACMRHu Chenming
Director
31,102$031,102
(Direct)
View
2020-09-04
Option Award
2020-09-09
4:47 pm
N/A
2021-09-15
AMBARELLA INCAMBAHu Chenming
Director
3,833$03,833
(Direct)
View
2020-06-23
Exercise
2020-06-24
5:01 pm
N/A
2022-02-27
AMBARELLA INCAMBAHu Chenming
Director
1,112$033,039
(Direct)
View
2020-06-23
Exercise
2020-06-24
5:01 pm
N/A
N/A
AMBARELLA INCAMBAHu Chenming
Director
1,112$9.9933,039
(Direct)
View
2020-06-16
Exercise
2020-06-18
4:28 pm
N/A
N/A
AMBARELLA INCAMBAHu Chenming
Director
858$032,785
(Direct)
View
2020-05-22
Option Award
2020-05-27
1:03 pm
N/A
N/A
INPHI CorpIPHIHu Chenming
Director
1,478$066,981
(Direct)
View
2020-03-17
Exercise
2020-03-19
5:46 pm
N/A
2020-09-15
AMBARELLA INCAMBAHu Chenming
Director
858$032,785
(Direct)
View
2019-12-17
Exercise
2019-12-19
5:05 pm
N/A
2020-09-15
AMBARELLA INCAMBAHu Chenming
Director
857$032,785
(Direct)
View
2019-09-30(A)
Disposition
2019-10-02
4:35 pm
N/A
2026-12-27
ACM Research Inc.ACMRHu Chenming
Director
22,232$10.261,102
(Direct)
View
(A) Indicate amendment filing.
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