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 |
| 2024-02-28 Sale |
2024-03-01 9:30 pm |
ACM Research Inc. | ACMR | Liu Tracy Director |
12,500 | $25.2 | $315,000 | 130,272 (Direct) |
View |
| 2023-12-26 Sale |
2023-12-28 9:02 pm |
ACM Research Inc. | ACMR | Liu Tracy Director |
10,000 | $20 | $200,000 | 142,772 (Direct) |
View |
| 2023-11-20 Sale |
2023-11-22 4:15 pm |
ACM Research Inc. | ACMR | Liu Tracy Director |
15,000 | $17.91 | $268,650 | 36,924 (Direct) |
View |
| 2021-02-12 Sale |
2021-02-16 6:05 pm |
ACM Research Inc. | ACMR | Liu Tracy Director |
2,000 | $120 | $240,000 | 36,924 (Direct) |
View |
| 2021-02-09 Sale |
2021-02-11 5:30 pm |
ACM Research Inc. | ACMR | Liu Tracy Director |
2,000 | $110 | $220,000 | 38,924 (Direct) |
View |
| 2021-01-06 Sale |
2021-01-08 5:30 pm |
ACM Research Inc. | ACMR | Liu Tracy Director |
2,000 | $100 | $200,000 | 40,924 (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 |
| 2024-08-12 Option Award |
2024-08-20 9:00 pm |
N/A 2034-08-11 |
ACM Research Inc. | ACMR | Liu Tracy Director |
20,000 | $0 | 20,000 (Direct) |
View |
| 2024-02-28 Exercise |
2024-03-01 9:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Liu Tracy Director |
12,500 | $5.6 | 130,272 (Direct) |
View |
| 2024-02-28 Exercise |
2024-03-01 9:30 pm |
N/A 2029-04-22 |
ACM Research Inc. | ACMR | Liu Tracy Director |
12,500 | $0 | 130,272 (Direct) |
View |
| 2023-12-26 Exercise |
2023-12-28 9:02 pm |
N/A N/A |
ACM Research Inc. | ACMR | Liu Tracy Director |
10,000 | $5.6 | 142,772 (Direct) |
View |
| 2023-12-26 Exercise |
2023-12-28 9:02 pm |
N/A 2029-04-22 |
ACM Research Inc. | ACMR | Liu Tracy Director |
10,000 | $0 | 142,772 (Direct) |
View |
| 2023-11-20 Exercise |
2023-11-22 4:15 pm |
N/A N/A |
ACM Research Inc. | ACMR | Liu Tracy Director |
15,000 | $7.36 | 36,924 (Direct) |
View |
| 2023-11-20 Exercise |
2023-11-22 4:15 pm |
N/A 2030-03-19 |
ACM Research Inc. | ACMR | Liu Tracy Director |
15,000 | $0 | 36,924 (Direct) |
View |
| 2023-08-10 Option Award(A) |
2023-08-21 9:19 pm |
N/A 2033-08-09 |
ACM Research Inc. | ACMR | Liu Tracy Director |
54,000 | $0 | 54,000 (Direct) |
View |
| 2023-08-10 Option Award |
2023-08-14 5:30 pm |
N/A 2033-08-09 |
ACM Research Inc. | ACMR | Liu Tracy Director |
54,000 | $0 | 54,000 (Direct) |
View |
| 2022-06-30 Option Award |
2022-07-05 5:31 pm |
N/A 2032-06-29 |
ACM Research Inc. | ACMR | Liu Tracy Director |
24,000 | $0 | 24,000 (Direct) |
View |
| 2021-02-22 Option Award(A) |
2021-03-05 9:46 pm |
N/A 2031-02-21 |
ACM Research Inc. | ACMR | Liu Tracy Director |
5,000 | $0 | 5,000 (Direct) |
View |
| 2021-02-22 Option Award |
2021-03-03 5:31 pm |
N/A 2031-02-21 |
ACM Research Inc. | ACMR | Liu Tracy Director |
5,000 | $0 | 5,000 (Direct) |
View |
| 2020-09-10 Exercise |
2020-09-11 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Liu Tracy Director |
6,000 | $16.81 | 56,924 (Direct) |
View |
| 2020-09-10 Exercise |
2020-09-11 5:30 pm |
N/A 2029-04-22 |
ACM Research Inc. | ACMR | Liu Tracy Director |
6,000 | $0 | 56,924 (Direct) |
View |