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 |
| 2024-03-13 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 |
| 2024-03-08 Sale |
2024-03-12 9:30 pm |
ACM Research Inc. | ACMR | Dun Haiping Director |
15,000 | $30.36 | $455,400 | 874,524 (Direct) |
View |
| 2024-03-08 Sale |
2024-03-12 9:30 pm |
ACM Research Inc. | ACMR | Wang David H See Remarks 10% Owner |
90,000 | $30.36 | $2,731,950 | 1,536,947 (Indirect Direct) |
View |
| 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 |
| 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 |
| 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 |
| 2023-12-26 Sale |
2023-12-28 9:02 pm |
ACM Research Inc. | ACMR | Liu Tracy Director |
10,000 | $20 | $200,000 | 142,772 (Direct) |
View |
| 2023-12-26 Sale |
2023-12-28 9:00 pm |
ACM Research Inc. | ACMR | Feng Lisa See remarks |
7,500 | $20 | $150,000 | 117,501 (Direct) |
View |
| 2023-11-29 Sale |
2023-12-01 4:15 pm |
ACM Research Inc. | ACMR | Dun Haiping Director |
18,984 | $17.25 | $327,474 | 855,090 (Direct) |
View |
| 2023-11-29 Sale |
2023-12-01 4:15 pm |
ACM Research Inc. | ACMR | Wang David H See Remarks 10% Owner |
84,776 | $17.14 | $1,452,663 | 1,449,858 (Indirect Direct) |
View |
| 2023-11-22 Sale |
2023-11-27 4:30 pm |
ACM Research Inc. | ACMR | Wang David H See Remarks 10% Owner |
90,000 | $17.68 | $1,590,750 | 1,534,634 (Indirect Direct) |
View |
| 2023-11-22 Sale |
2023-11-27 4:24 pm |
ACM Research Inc. | ACMR | Dun Haiping Director |
15,000 | $17.66 | $264,900 | 874,074 (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 |
| 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 |
| 2023-10-11 Sale |
2023-10-13 4:15 pm |
ACM Research Inc. | ACMR | McKechnie Mark See Remarks |
11,250 | $20 | $225,000 | 19,650 (Direct) |
View |
| 2023-09-12 Sale |
2023-09-14 5:00 pm |
ACM Research Inc. | ACMR | Wang David H See Remarks 10% Owner |
175,116 | $17.87 | $3,130,016 | 1,449,858 (Indirect 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 |
| 2023-08-23 Sale |
2023-08-25 5:46 pm |
ACM Research Inc. | ACMR | Chen Fuping See remarks |
105,000 | $15 | $1,575,000 | 141,165 (Direct) |
View |
| 2023-08-22 Sale |
2023-08-24 8:13 pm |
ACM Research Inc. | ACMR | Dun Haiping Director |
32,098 | $13.85 | $444,557 | 855,090 (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 |
| 2024-03-01 Tax Withholding |
2024-03-05 9:33 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang David H See Remarks 10% Owner |
2,911 | $30.92 | 2,286,947 (Direct) |
View |
| 2024-03-01 Exercise |
2024-03-05 9:33 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang David H See Remarks 10% Owner |
180,000 | $0.5 | 2,286,947 (Direct) |
View |
| 2024-03-01 Exercise |
2024-03-05 9:33 pm |
N/A 2025-04-30 |
ACM Research Inc. | ACMR | Wang David H See Remarks 10% Owner |
180,000 | $0 | 2,286,947 (Direct) |
View |
| 2024-03-01 Tax Withholding |
2024-03-05 9:31 pm |
N/A N/A |
ACM Research Inc. | ACMR | Dun Haiping Director |
566 | $30.92 | 1,019,525 (Direct) |
View |
| 2024-03-01 Exercise |
2024-03-05 9:31 pm |
N/A N/A |
ACM Research Inc. | ACMR | Dun Haiping Director |
35,000 | $0.5 | 1,019,525 (Direct) |
View |
| 2024-03-01 Exercise |
2024-03-05 9:31 pm |
N/A 2025-04-30 |
ACM Research Inc. | ACMR | Dun Haiping Director |
35,000 | $0 | 1,019,525 (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 |
| 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 9:30 pm |
N/A 2029-04-22 |
ACM Research Inc. | ACMR | Liu Tracy Director |
12,500 | $0 | 130,272 (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 |
| 2024-01-12 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 |
| 2023-12-26 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 |
| 2023-12-26 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 9:00 pm |
N/A 2029-04-22 |
ACM Research Inc. | ACMR | Feng Lisa See remarks |
7,500 | $0 | 117,501 (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 |
| 2023-11-20 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 |
| 2023-11-20 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 |
| 2023-11-14 Exercise |
2023-11-16 4:15 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang David H See Remarks 10% Owner |
180,000 | $0.5 | 2,464,634 (Direct) |
View |
| 2023-11-14 Exercise |
2023-11-16 4:15 pm |
N/A 2025-04-30 |
ACM Research Inc. | ACMR | Wang David H See Remarks 10% Owner |
180,000 | $0 | 2,464,634 (Direct) |
View |
| 2023-11-14 Tax Withholding |
2023-11-16 4:15 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang David H See Remarks 10% Owner |
5,224 | $17.23 | 2,464,634 (Direct) |
View |
| 2023-11-14 Exercise |
2023-11-16 4:15 pm |
N/A N/A |
ACM Research Inc. | ACMR | Dun Haiping Director |
35,000 | $0.5 | 1,054,075 (Direct) |
View |
| 2023-11-14 Exercise |
2023-11-16 4:15 pm |
N/A 2025-04-30 |
ACM Research Inc. | ACMR | Dun Haiping Director |
35,000 | $0 | 1,054,075 (Direct) |
View |
| 2023-11-14 Tax Withholding |
2023-11-16 4:15 pm |
N/A N/A |
ACM Research Inc. | ACMR | Dun Haiping Director |
1,016 | $17.23 | 1,054,075 (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 |
| 2023-11-13 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 |
| 2023-10-11 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 |
| 2023-09-04 Exercise |
2023-09-06 9:40 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang David H See Remarks 10% Owner |
180,000 | $0.5 | 2,644,974 (Direct) |
View |
| 2023-09-04 Exercise |
2023-09-06 9:40 pm |
N/A 2025-04-30 |
ACM Research Inc. | ACMR | Wang David H See Remarks 10% Owner |
180,000 | $0 | 2,644,974 (Direct) |
View |
| 2023-09-04 Tax Withholding |
2023-09-06 9:40 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang David H See Remarks 10% Owner |
4,884 | $18.43 | 2,644,974 (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 |
| 2023-08-23 Exercise |
2023-08-25 5:46 pm |
N/A 2026-12-27 |
ACM Research Inc. | ACMR | Chen Fuping See remarks |
105,000 | $0 | 141,165 (Direct) |
View |
| 2023-08-23 Exercise |
2023-08-25 5:46 pm |
N/A N/A |
ACM Research Inc. | ACMR | Chen Fuping See remarks |
96,165 | $1 | 141,165 (Direct) |
View |
| 2023-08-23 Exercise |
2023-08-25 5:46 pm |
N/A N/A |
ACM Research Inc. | ACMR | Chen Fuping See remarks |
8,835 | $1.77 | 141,165 (Direct) |
View |
| 2023-08-10 Option Award(A) |
2023-08-21 9:19 pm |
N/A 2033-08-09 |
ACM Research Inc. | ACMR | Dun Haiping Director |
54,000 | $0 | 54,000 (Direct) |
View |
| 2023-08-10 Option Award(A) |
2023-08-21 9:19 pm |
N/A 2033-08-09 |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
1,080,000 | $0 | 1,080,000 (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(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(A) |
2023-08-21 9:18 pm |
N/A 2033-08-09 |
ACM Research Inc. | ACMR | Xing Xiao Director |
24,000 | $0 | 24,000 (Direct) |
View |
| 2023-08-10 Option Award(A) |
2023-08-21 9:18 pm |
N/A 2033-08-09 |
ACM Research Inc. | ACMR | Hu Chenming Director |
24,000 | $0 | 24,000 (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(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 | Dun Haiping Director |
54,000 | $0 | 54,000 (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 |
| 2023-08-10 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 |
| 2023-08-10 Option Award |
2023-08-14 5:30 pm |
N/A 2033-08-09 |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
1,080,000 | $0 | 1,080,000 (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 |
| 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 |
| 2023-08-10 Option Award |
2023-08-14 5:30 pm |
N/A 2033-08-09 |
ACM Research Inc. | ACMR | Hu Chenming Director |
24,000 | $0 | 24,000 (Direct) |
View |
| 2023-08-10 Option Award |
2023-08-14 5:30 pm |
N/A 2033-08-09 |
ACM Research Inc. | ACMR | Xing Xiao Director |
24,000 | $0 | 24,000 (Direct) |
View |