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 |
| 2025-02-06 Sale |
2025-02-10 4:32 pm |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
22,598 | $23 | $519,754 | 267,404 (Direct) |
View |
| 2024-03-13 Sale |
2024-03-15 9:32 pm |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
10,000 | $28.49 | $284,878 | 100,002 (Direct) |
View |
| 2023-11-13 Sale |
2023-11-15 4:15 pm |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
26,000 | $16.79 | $436,540 | 110,002 (Direct) |
View |
| 2023-06-06 Sale |
2023-06-08 9:49 pm |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
39,000 | $10 | $390,000 | 136,002 (Direct) |
View |
| 2022-08-18 Sale |
2022-08-22 8:00 pm |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
10,000 | $17.5 | $175,000 | 110,002 (Direct) |
View |
| 2022-08-16 Sale |
2022-08-18 9:30 pm |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
20,000 | $18.21 | $364,196 | 195,002 (Direct) |
View |
| 2021-04-08 Sale |
2021-04-12 5:30 pm |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
18,111 | $87.2 | $1,579,237 | 58,334 (Direct) |
View |
| 2021-03-15 Sale |
2021-03-16 5:31 pm |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
20,000 | $92.68 | $1,853,600 | 93,334 (Direct) |
View |
| 2020-11-12 Sale |
2020-11-16 5:30 pm |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
19,670 | $88.35 | $1,737,937 | 43,334 (Direct) |
View |
| 2020-09-10 Sale |
2020-09-14 8:30 pm |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
9,941 | $63.71 | $633,315 | 48,275 (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 |
| 2025-02-06 Exercise |
2025-02-10 4:32 pm |
N/A N/A |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
22,598 | $13.89 | 267,404 (Direct) |
View |
| 2025-02-06 Exercise |
2025-02-10 4:32 pm |
N/A 2033-08-09 |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
22,598 | $0 | 267,404 (Direct) |
View |
| 2023-11-13 Exercise |
2023-11-15 4:15 pm |
N/A N/A |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
13,500 | $5.33 | 110,002 (Direct) |
View |
| 2023-11-13 Exercise |
2023-11-15 4:15 pm |
N/A N/A |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
12,500 | $4.62 | 110,002 (Direct) |
View |
| 2023-11-13 Exercise |
2023-11-15 4:15 pm |
N/A 2029-08-03 |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
26,000 | $0 | 110,002 (Direct) |
View |
| 2023-08-10 Option Award(A) |
2023-08-21 9:18 pm |
N/A 2033-08-09 |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
100,000 | $0 | 100,000 (Direct) |
View |
| 2023-08-10 Option Award |
2023-08-14 5:31 pm |
N/A 2033-08-09 |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
100,000 | $0 | 100,000 (Direct) |
View |
| 2023-06-06 Exercise |
2023-06-08 9:49 pm |
N/A N/A |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
16,500 | $5.33 | 136,002 (Direct) |
View |
| 2023-06-06 Exercise |
2023-06-08 9:49 pm |
N/A N/A |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
22,500 | $4.62 | 136,002 (Direct) |
View |
| 2022-06-06 Exercise |
2023-06-08 9:49 pm |
N/A 2028-07-31 |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
39,000 | $0 | 136,002 (Direct) |
View |
| 2022-08-16 Exercise |
2022-08-18 9:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
10,000 | $4.62 | 195,002 (Direct) |
View |
| 2022-08-16 Exercise |
2022-08-18 9:30 pm |
N/A 2028-07-31 |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
10,000 | $0 | 195,002 (Direct) |
View |
| 2021-04-08 Exercise |
2021-04-12 5:30 pm |
N/A 2028-07-31 |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
5,000 | $0 | 58,334 (Direct) |
View |
| 2021-04-08 Exercise |
2021-04-12 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
5,000 | $13.85 | 58,334 (Direct) |
View |
| 2021-04-05 Tax Withholding |
2021-04-05 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
223 | $90.08 | 56,445 (Direct) |
View |
| 2021-04-05 Exercise |
2021-04-05 5:30 pm |
N/A 2025-05-01 |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
13,334 | $0 | 56,445 (Direct) |
View |
| 2021-04-05 Exercise |
2021-04-05 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
13,334 | $1.5 | 56,445 (Direct) |
View |
| 2021-03-15 Exercise |
2021-03-16 5:31 pm |
N/A 2028-07-31 |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
20,000 | $0 | 93,334 (Direct) |
View |
| 2021-03-15 Exercise |
2021-03-16 5:31 pm |
N/A N/A |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
20,000 | $13.85 | 93,334 (Direct) |
View |
| 2020-11-05 Tax Withholding |
2020-11-09 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
330 | $91 | 76,338 (Direct) |
View |
| 2020-11-05 Exercise |
2020-11-09 5:30 pm |
N/A 2025-05-01 |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
20,000 | $0 | 76,338 (Direct) |
View |
| 2020-11-05 Exercise |
2020-11-09 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
20,000 | $1.5 | 76,338 (Direct) |
View |
| 2020-09-10 Exercise |
2020-09-14 8:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
9,941 | $0.75 | 48,275 (Direct) |
View |
| 2020-09-10 Exercise |
2020-09-14 8:30 pm |
N/A 2021-05-01 |
ACM Research Inc. | ACMR | Cheav Sotheara See remarks |
9,941 | $0 | 48,275 (Direct) |
View |