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 |
| 2025-09-18 Sale | 2025-09-19 4:30 pm | ACM Research Inc. | ACMR | Wang Jian See remarks | 30,000 | $35 | $1,050,000 | 253,158 (Direct) | View |
| 2025-08-22 Sale | 2025-08-26 4:30 pm | ACM Research Inc. | ACMR | Wang Jian See remarks | 60,000 | $31 | $1,860,000 | 343,158 (Direct) | View |
| 2024-06-10 Sale | 2024-06-12 4:30 pm | ACM Research Inc. | ACMR | Wang Jian See remarks | 60,000 | $22.54 | $1,352,676 | 283,158 (Direct) | View |
| 2024-06-06 Sale | 2024-06-07 9:32 pm | ACM Research Inc. | ACMR | Wang Jian See remarks | 60,000 | $22.5 | $1,349,700 | 403,158 (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 |
| 2025-09-18 Exercise | 2025-09-19 4:30 pm | N/A N/A | ACM Research Inc. | ACMR | Wang Jian See remarks | 30,000 | $5.6 | 253,158 (Direct) | View |
| 2025-09-18 Exercise | 2025-09-19 4:30 pm | N/A 2029-04-22 | ACM Research Inc. | ACMR | Wang Jian See remarks | 30,000 | $0 | 253,158 (Direct) | View |
| 2025-08-22 Exercise | 2025-08-26 4:30 pm | N/A N/A | ACM Research Inc. | ACMR | Wang Jian See remarks | 60,000 | $5.6 | 343,158 (Direct) | View |
| 2025-08-22 Exercise | 2025-08-26 4:30 pm | N/A 2029-04-22 | ACM Research Inc. | ACMR | Wang Jian See remarks | 60,000 | $0 | 343,158 (Direct) | View |
| 2024-06-10 Exercise | 2024-06-12 4:30 pm | N/A N/A | ACM Research Inc. | ACMR | Wang Jian See remarks | 60,000 | $4.62 | 283,158 (Direct) | View |
| 2024-06-10 Exercise | 2024-06-12 4:30 pm | N/A 2028-07-31 | ACM Research Inc. | ACMR | Wang Jian See remarks | 60,000 | $0 | 283,158 (Direct) | View |
| 2024-06-06 Exercise | 2024-06-07 9:32 pm | N/A N/A | ACM Research Inc. | ACMR | Wang Jian See remarks | 60,000 | $4.62 | 403,158 (Direct) | View |
| 2024-06-06 Exercise | 2024-06-07 9:32 pm | N/A 2028-07-31 | ACM Research Inc. | ACMR | Wang Jian See remarks | 60,000 | $0 | 403,158 (Direct) | View |
| 2023-02-12 Option Award | 2023-02-14 6:20 pm | N/A 2032-03-03 | ACM Research Inc. | ACMR | Wang Jian See remarks | 15,000 | $0 | 15,000 (Direct) | View |