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 |
2020-08-27 Sale |
2020-08-31 5:30 pm |
ACM Research Inc. | ACMR | McKechnie Mark See remarks |
4,585 | $93.18 | $427,230 | 30,000 (Direct) |
View |
2020-08-03 Sale |
2020-08-05 5:30 pm |
ACM Research Inc. | ACMR | Hu Chenming Director |
7,806 | $100 | $780,600 | 0 (Direct) |
View |
2020-07-13 Sale |
2020-07-15 8:00 pm |
ACM Research Inc. | ACMR | Hu Chenming Director |
14,000 | $84.15 | $1,178,100 | 7,806 (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 |
2020-08-27 Exercise |
2020-08-31 5:30 pm |
N/A 2028-07-31 |
ACM Research Inc. | ACMR | McKechnie Mark See remarks |
4,585 | $0 | 30,000 (Direct) |
View |
2020-08-27 Exercise |
2020-08-31 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | McKechnie Mark See remarks |
4,585 | $13.85 | 30,000 (Direct) |
View |
2020-08-05 Option Award |
2020-08-07 7:03 pm |
N/A 2030-03-19 |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
181,799 | $0 | 181,799 (Direct) |
View |