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 9:32 pm | ACM Research Inc. | ACMR | Feng Lisa See remarks | 7,500 | $25.2 | $189,000 | 110,001 (Direct) | View |
| 2023-12-26 Sale | 2023-12-28 9:00 pm | ACM Research Inc. | ACMR | Feng Lisa See remarks | 7,500 | $20 | $150,000 | 117,501 (Direct) | View |
| 2023-07-03 Sale | 2023-07-05 6:52 pm | ACM Research Inc. | ACMR | Feng Lisa See remarks | 22,500 | $15 | $337,500 | 50,001 (Direct) | View |
| 2023-03-09 Sale | 2023-03-13 9:00 pm | ACM Research Inc. | ACMR | Feng Lisa See remarks | 22,500 | $12.37 | $278,351 | 50,001 (Direct) | View |
| 2020-09-16 Sale | 2020-09-18 5:30 pm | ACM Research Inc. | ACMR | Feng Lisa See remarks | 15,000 | $72.3 | $1,084,500 | 25,760 (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 |
| 2024-02-28 Exercise | 2024-03-01 9:32 pm | N/A N/A | ACM Research Inc. | ACMR | Feng Lisa See remarks | 7,500 | $5.6 | 110,001 (Direct) | View |
| 2024-02-28 Exercise | 2024-03-01 9:32 pm | N/A 2029-04-22 | ACM Research Inc. | ACMR | Feng Lisa See remarks | 7,500 | $0 | 110,001 (Direct) | View |
| 2023-12-26 Exercise | 2023-12-28 9:00 pm | N/A N/A | ACM Research Inc. | ACMR | Feng Lisa See remarks | 7,500 | $5.6 | 117,501 (Direct) | View |
| 2023-12-26 Exercise | 2023-12-28 9:00 pm | N/A 2029-04-22 | ACM Research Inc. | ACMR | Feng Lisa See remarks | 7,500 | $0 | 117,501 (Direct) | View |
| 2023-08-10 Option Award(A) | 2023-08-21 9:18 pm | N/A 2033-08-09 | ACM Research Inc. | ACMR | Feng Lisa See remarks | 100,000 | $0 | 100,000 (Direct) | View |
| 2023-08-10 Option Award | 2023-08-14 5:30 pm | N/A 2033-08-09 | ACM Research Inc. | ACMR | Feng Lisa See remarks | 100,000 | $0 | 100,000 (Direct) | View |
| 2023-07-03 Exercise | 2023-07-05 6:52 pm | N/A N/A | ACM Research Inc. | ACMR | Feng Lisa See remarks | 22,500 | $1.77 | 50,001 (Direct) | View |
| 2023-07-03 Exercise | 2023-07-05 6:52 pm | N/A 2028-01-24 | ACM Research Inc. | ACMR | Feng Lisa See remarks | 22,500 | $0 | 50,001 (Direct) | View |
| 2023-03-09 Exercise | 2023-03-13 9:00 pm | N/A N/A | ACM Research Inc. | ACMR | Feng Lisa See remarks | 22,500 | $1.77 | 50,001 (Direct) | View |
| 2023-03-09 Exercise | 2023-03-13 9:00 pm | N/A 2028-01-24 | ACM Research Inc. | ACMR | Feng Lisa See remarks | 22,500 | $0 | 50,001 (Direct) | View |
| 2022-12-31 Option Award | 2023-01-04 6:09 pm | N/A 2032-03-03 | ACM Research Inc. | ACMR | Feng Lisa See remarks | 22,500 | $0 | 22,500 (Direct) | View |
| 2021-11-03 Exercise | 2021-11-05 5:47 pm | N/A N/A | ACM Research Inc. | ACMR | Feng Lisa See remarks | 2,437 | $5.6 | 16,667 (Direct) | View |
| 2021-11-03 Exercise | 2021-11-05 5:47 pm | N/A 2027-11-01 | ACM Research Inc. | ACMR | Feng Lisa See remarks | 2,437 | $0 | 16,667 (Direct) | View |
| 2021-02-26 Exercise | 2021-03-02 5:36 pm | N/A N/A | ACM Research Inc. | ACMR | Feng Lisa See remarks | 3,470 | $5.6 | 16,667 (Direct) | View |
| 2021-02-26 Exercise | 2021-03-02 5:36 pm | N/A 2027-11-01 | ACM Research Inc. | ACMR | Feng Lisa See remarks | 3,470 | $0 | 16,667 (Direct) | View |
| 2020-09-16 Exercise | 2020-09-18 5:30 pm | N/A N/A | ACM Research Inc. | ACMR | Feng Lisa See remarks | 15,000 | $5.31 | 25,760 (Direct) | View |
| 2020-09-16 Exercise | 2020-09-18 5:30 pm | N/A 2028-01-24 | ACM Research Inc. | ACMR | Feng Lisa See remarks | 15,000 | $0 | 25,760 (Direct) | View |
| 2020-04-28 Option Award | 2020-06-26 5:30 pm | N/A 2030-04-27 | ACM Research Inc. | ACMR | Feng Lisa See remarks | 10,000 | $0 | 10,000 (Direct) | View |
| 2020-03-18 Exercise | 2020-03-20 4:30 pm | N/A N/A | ACM Research Inc. | ACMR | Feng Lisa See remarks | 3,817 | $5.6 | 16,667 (Direct) | View |
| 2020-03-18 Exercise | 2020-03-20 4:30 pm | N/A 2027-11-01 | ACM Research Inc. | ACMR | Feng Lisa See remarks | 3,817 | $0 | 16,667 (Direct) | View |
| 2019-11-04 Option Award | 2019-11-06 9:42 pm | N/A 2029-11-03 | ACM Research Inc. | ACMR | Feng Lisa See remarks | 10,000 | $0 | 10,000 (Direct) | View |
Ownership | 2019-06-17 4:36 pm | N/A N/A | ACM Research Inc. | ACMR | Feng Lisa See Remarks | 0 | $0 | 71,667 (Direct) | View |