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>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2020-06-03 Sale |
2020-06-05 9:16 pm |
ACM Research Inc. | ACMR | Hu Chenming Director |
8,194 | $65.12 | $533,593 | 21,806 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2020-06-23 Exercise |
2020-06-24 5:01 pm |
N/A N/A |
AMBARELLA INC | AMBA | Hu Chenming Director |
1,112 | $9.99 | 33,039 (Direct) |
View |
2020-06-23 Exercise |
2020-06-24 5:01 pm |
N/A 2022-02-27 |
AMBARELLA INC | AMBA | Hu Chenming Director |
1,112 | $0 | 33,039 (Direct) |
View |
2020-06-16 Exercise |
2020-06-18 4:28 pm |
N/A N/A |
AMBARELLA INC | AMBA | Hu Chenming Director |
858 | $0 | 32,785 (Direct) |
View |
2020-05-22 Option Award |
2020-05-27 1:03 pm |
N/A N/A |
INPHI Corp | IPHI | Hu Chenming Director |
1,478 | $0 | 66,981 (Direct) |
View |