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 |
| 2024-01-12 Sale | 2024-01-16 4:15 pm | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 10,000 | $22 | $220,000 | 9,650 (Direct) | View |
| 2023-10-11 Sale | 2023-10-13 4:15 pm | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 11,250 | $20 | $225,000 | 19,650 (Direct) | View |
| 2023-09-01 Sale | 2023-09-05 9:30 pm | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 30,000 | $18 | $540,000 | 30,900 (Direct) | View |
| 2022-03-10 Sale | 2022-03-11 5:06 pm | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 5,000 | $64.2 | $320,976 | 14,644 (Direct) | View |
| 2021-11-18 Sale | 2021-11-22 5:00 pm | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 5,000 | $94.05 | $470,266 | 9,972 (Direct) | View |
| 2021-08-19 Sale | 2021-08-20 4:33 pm | ACM Research Inc. | ACMR | McKechnie Mark See remarks | 5,000 | $82.08 | $410,383 | 14,972 (Direct) | View |
| 2021-03-12 Sale | 2021-03-16 5:31 pm | ACM Research Inc. | ACMR | McKechnie Mark See remarks | 10,028 | $87.89 | $881,361 | 19,972 (Direct) | View |
| 2020-11-19 Sale | 2020-11-20 5:30 pm | ACM Research Inc. | ACMR | McKechnie Mark See remarks | 7,500 | $74.45 | $558,375 | 22,500 (Direct) | View |
| 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 |
| 2020-06-15 Sale | 2020-06-17 5:30 pm | ACM Research Inc. | ACMR | McKechnie Mark See remarks | 5,415 | $54.34 | $294,251 | 34,585 (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 |
| 2024-01-12 Exercise | 2024-01-16 4:15 pm | N/A 2029-11-03 | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 10,000 | $0 | 9,650 (Direct) | View |
| 2024-01-12 Exercise | 2024-01-16 4:15 pm | N/A N/A | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 10,000 | $4.55 | 9,650 (Direct) | View |
| 2023-10-11 Exercise | 2023-10-13 4:15 pm | N/A 2029-11-03 | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 11,250 | $0 | 19,650 (Direct) | View |
| 2023-10-11 Exercise | 2023-10-13 4:15 pm | N/A N/A | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 11,250 | $4.55 | 19,650 (Direct) | View |
| 2023-09-01 Exercise | 2023-09-05 9:30 pm | N/A 2029-11-03 | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 30,000 | $0 | 30,900 (Direct) | View |
| 2023-09-01 Exercise | 2023-09-05 9:30 pm | N/A N/A | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 30,000 | $4.55 | 30,900 (Direct) | View |
| 2023-08-10 Option Award(A) | 2023-08-21 9:19 pm | N/A 2033-08-09 | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 300,000 | $0 | 300,000 (Direct) | View |
| 2023-08-10 Option Award | 2023-08-14 5:30 pm | N/A 2033-08-09 | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 300,000 | $0 | 300,000 (Direct) | View |
| 2022-12-28 Option Award | 2022-12-30 9:30 pm | N/A 2032-03-03 | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 22,500 | $0 | 22,500 (Direct) | View |
| 2022-08-12 Option Award | 2022-08-16 6:00 pm | N/A 2032-08-11 | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 100,000 | $0 | 100,000 (Direct) | View |
| 2021-03-09 Exercise | 2022-03-11 5:06 pm | N/A 2028-07-31 | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 5,300 | $0 | 14,644 (Direct) | View |
| 2022-03-09 Exercise | 2022-03-11 5:06 pm | N/A N/A | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 5,300 | $13.85 | 14,644 (Direct) | View |
| 2021-11-18 Exercise | 2021-11-22 5:00 pm | N/A 2028-07-31 | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 5,000 | $0 | 9,972 (Direct) | View |
| 2021-11-18 Exercise | 2021-11-22 5:00 pm | N/A N/A | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 5,000 | $13.85 | 9,972 (Direct) | View |
| 2021-08-19 Exercise | 2021-08-20 4:33 pm | N/A 2028-07-31 | ACM Research Inc. | ACMR | McKechnie Mark See remarks | 5,000 | $0 | 14,972 (Direct) | View |
| 2021-08-19 Exercise | 2021-08-20 4:33 pm | N/A N/A | ACM Research Inc. | ACMR | McKechnie Mark See remarks | 5,000 | $13.85 | 14,972 (Direct) | View |
| 2021-03-12 Exercise | 2021-03-16 5:31 pm | N/A 2028-07-31 | ACM Research Inc. | ACMR | McKechnie Mark See remarks | 10,028 | $0 | 19,972 (Direct) | View |
| 2021-03-12 Exercise | 2021-03-16 5:31 pm | N/A N/A | ACM Research Inc. | ACMR | McKechnie Mark See remarks | 10,028 | $13.85 | 19,972 (Direct) | View |
| 2020-11-19 Exercise | 2020-11-20 5:30 pm | N/A 2029-04-22 | ACM Research Inc. | ACMR | McKechnie Mark See remarks | 7,500 | $0 | 22,500 (Direct) | View |
| 2020-11-19 Exercise | 2020-11-20 5:30 pm | N/A N/A | ACM Research Inc. | ACMR | McKechnie Mark See remarks | 7,500 | $16.81 | 22,500 (Direct) | View |
| 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 |
| 2020-06-15 Exercise | 2020-06-17 5:30 pm | N/A 2028-07-31 | ACM Research Inc. | ACMR | McKechnie Mark See remarks | 5,415 | $0 | 34,585 (Direct) | View |
| 2020-06-15 Exercise | 2020-06-17 5:30 pm | N/A N/A | ACM Research Inc. | ACMR | McKechnie Mark See remarks | 5,415 | $13.85 | 34,585 (Direct) | View |
| 2019-11-04 Option Award | 2019-11-06 9:43 pm | N/A 2029-11-03 | ACM Research Inc. | ACMR | McKechnie Mark See remarks | 20,000 | $0 | 20,000 (Direct) | View |
Ownership | 2019-06-17 4:36 pm | N/A 2028-07-31 | ACM Research Inc. | ACMR | McKechnie Mark See Remarks | 0 | $0 | 70,000 (Direct) | View |