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 |
2024-10-04 Sale |
2024-10-08 9:37 pm |
ACM Research Inc. | ACMR | Shanghai Science & Technology Venture Capital (Group) Co. Ltd. Shanghai Pudong Science & Technology Investment Group Co. Ltd. Possible member of 10% group 10% Owner |
1,065,396 | $22.08 | $23,519,660 | 5,697,238 (Indirect Direct) |
View |
2024-10-01 Sale |
2024-10-03 9:58 pm |
ACM Research Inc. | ACMR | Shanghai Science & Technology Venture Capital (Group) Co. Ltd. Shanghai Pudong Science & Technology Investment Group Co. Ltd. Possible member of 10% group 10% Owner |
34,604 | $20.05 | $693,921 | 6,762,634 (Indirect 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 |
Ownership(A) |
2023-07-18 08:53 am |
N/A N/A |
ACM Research Inc. | ACM | Shanghai Science & Technology Venture Capital (Group) Co. Ltd. Shanghai Pudong Science & Technology Investment Group Co. Ltd. Possible member of 10% group 10% Owner |
0 | $0 | 6,797,238 (Direct) |
View |
Ownership |
2023-06-13 5:32 pm |
N/A N/A |
ACM Research Inc. | ACMR | Shanghai Science & Technology Venture Capital (Group) Co. Ltd. Shanghai Pudong Science & Technology Investment Group Co. Ltd. Possible member of 10% group 10% Owner |
0 | $0 | 6,797,238 (Direct) |
View |