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 |
| 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 |
| 2021-03-18 Sale |
2021-03-22 5:30 pm |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
99,228 | $91.24 | $9,053,595 | 483,286 (Indirect 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 |
| 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 |
| 2021-02-12 Sale |
2021-02-16 6:05 pm |
ACM Research Inc. | ACMR | Liu Tracy Director |
2,000 | $120 | $240,000 | 36,924 (Direct) |
View |
| 2021-02-12 Sale |
2021-02-16 5:52 pm |
ACM Research Inc. | ACMR | Chen Fuping See remarks |
30,000 | $120 | $3,600,000 | 16,667 (Direct) |
View |
| 2021-02-12 Sale |
2021-02-16 5:43 pm |
ACM Research Inc. | ACMR | Hu Chenming Director |
10,000 | $120 | $1,200,000 | 21,102 (Direct) |
View |
| 2021-02-09 Sale |
2021-02-11 5:30 pm |
ACM Research Inc. | ACMR | Liu Tracy Director |
2,000 | $110 | $220,000 | 38,924 (Direct) |
View |
| 2021-01-06 Sale |
2021-01-08 5:30 pm |
ACM Research Inc. | ACMR | Liu Tracy Director |
2,000 | $100 | $200,000 | 40,924 (Direct) |
View |
| 2020-12-30 Sale |
2020-12-31 5:30 pm |
ACM Research Inc. | ACMR | Wang Jian See remarks |
32,486 | $78 | $2,533,908 | 84,386 (Direct) |
View |
| 2020-12-18 Sale |
2020-12-22 5:30 pm |
ACM Research Inc. | ACMR | Xiang Yinan Director |
125,965 | $75.23 | $9,476,131 | 1,506,170 (Indirect) |
View |
| 2020-12-15 Sale |
2020-12-17 5:30 pm |
ACM Research Inc. | ACMR | Xiang Yinan Director |
34,035 | $75.51 | $2,569,929 | 1,632,135 (Indirect) |
View |
| 2020-12-03 Sale |
2020-12-07 5:30 pm |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
98,983 | $79.83 | $7,901,732 | 483,286 (Indirect 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 |
| 2020-11-12 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 |
| 2020-09-16 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 |
| 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 |
| 2020-09-03 Sale |
2020-09-04 6:35 pm |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
69,453 | $81.36 | $5,650,796 | 483,286 (Indirect 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 |
| 2020-08-03 Sale |
2020-08-05 5:30 pm |
ACM Research Inc. | ACMR | Hu Chenming Director |
7,806 | $100 | $780,600 | 0 (Direct) |
View |
| 2020-07-13 Sale |
2020-07-15 8:00 pm |
ACM Research Inc. | ACMR | Hu Chenming Director |
14,000 | $84.15 | $1,178,100 | 7,806 (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 |
| 2021-05-04 Exercise |
2021-05-06 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Hu Chenming Director |
23,334 | $3 | 87,770 (Direct) |
View |
| 2021-05-04 Exercise |
2021-05-06 5:30 pm |
N/A 2026-12-27 |
ACM Research Inc. | ACMR | Hu Chenming Director |
23,334 | $0 | 87,770 (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 |
| 2021-04-08 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 |
| 2021-04-05 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 |
| 2021-03-30 Exercise |
2021-04-01 7:39 pm |
N/A N/A |
ACM Research Inc. | ACMR | Hu Chenming Director |
10,000 | $3 | 87,770 (Direct) |
View |
| 2021-03-30 Exercise |
2021-04-01 7:39 pm |
N/A 2026-12-27 |
ACM Research Inc. | ACMR | Hu Chenming Director |
10,000 | $0 | 87,770 (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 |
| 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 |
| 2021-03-12 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 |
| 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 5:30 pm |
N/A 2021-05-01 |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
100,001 | $0 | 582,514 (Direct) |
View |
| 2021-03-12 Tax Withholding |
2021-03-16 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
773 | $97.05 | 582,514 (Direct) |
View |
| 2021-03-12 Exercise |
2021-03-16 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
100,001 | $0.75 | 582,514 (Direct) |
View |
| 2021-03-04 Exercise |
2021-03-08 7:13 pm |
N/A 2027-03-08 |
ACM Research Inc. | ACMR | Hu Chenming Director |
23,334 | $0 | 66,770 (Direct) |
View |
| 2021-03-04 Exercise |
2021-03-08 7:13 pm |
N/A N/A |
ACM Research Inc. | ACMR | Hu Chenming Director |
23,334 | $7.5 | 66,770 (Direct) |
View |
| 2021-02-22 Option Award(A) |
2021-03-05 9:46 pm |
N/A 2031-02-21 |
ACM Research Inc. | ACMR | Dun Haiping Director |
5,000 | $0 | 5,000 (Direct) |
View |
| 2021-02-22 Option Award(A) |
2021-03-05 9:46 pm |
N/A 2031-02-21 |
ACM Research Inc. | ACMR | Liu Tracy Director |
5,000 | $0 | 5,000 (Direct) |
View |
| 2021-02-22 Option Award(A) |
2021-03-05 9:45 pm |
N/A 2031-02-21 |
ACM Research Inc. | ACMR | Hu Chenming Director |
5,000 | $0 | 5,000 (Direct) |
View |
| 2021-02-22 Option Award |
2021-03-03 5:31 pm |
N/A 2031-02-21 |
ACM Research Inc. | ACMR | Liu Tracy Director |
5,000 | $0 | 5,000 (Direct) |
View |
| 2021-02-22 Option Award |
2021-03-03 5:30 pm |
N/A 2031-02-21 |
ACM Research Inc. | ACMR | Dun Haiping Director |
5,000 | $0 | 5,000 (Direct) |
View |
| 2021-03-02 Exercise |
2021-03-03 5:30 pm |
N/A 2027-03-08 |
ACM Research Inc. | ACMR | Hu Chenming Director |
10,000 | $0 | 59,436 (Direct) |
View |
| 2021-03-02 Exercise |
2021-03-03 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Hu Chenming Director |
10,000 | $7.5 | 59,436 (Direct) |
View |
| 2021-02-22 Option Award |
2021-03-03 5:30 pm |
N/A 2031-02-21 |
ACM Research Inc. | ACMR | Hu Chenming Director |
5,000 | $0 | 59,436 (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 |
| 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 |
| 2021-02-12 Exercise |
2021-02-16 5:52 pm |
N/A N/A |
ACM Research Inc. | ACMR | Chen Fuping See remarks |
30,000 | $3 | 16,667 (Direct) |
View |
| 2021-02-12 Exercise |
2021-02-16 5:52 pm |
N/A 2026-12-27 |
ACM Research Inc. | ACMR | Chen Fuping See remarks |
30,000 | $0 | 16,667 (Direct) |
View |
| 2020-11-25 Tax Withholding |
2020-11-27 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
1,017 | $73.76 | 682,270 (Direct) |
View |
| 2020-11-25 Exercise |
2020-11-27 5:30 pm |
N/A 2021-05-01 |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
100,000 | $0 | 682,270 (Direct) |
View |
| 2020-11-25 Exercise |
2020-11-27 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
100,000 | $0.75 | 682,270 (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 |
| 2020-11-19 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 |
| 2020-11-05 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 |
| 2020-11-05 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 |
| 2020-09-16 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 |
| 2020-09-10 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 |
| 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 |
2020-09-11 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Liu Tracy Director |
6,000 | $16.81 | 56,924 (Direct) |
View |
| 2020-09-10 Exercise |
2020-09-11 5:30 pm |
N/A 2029-04-22 |
ACM Research Inc. | ACMR | Liu Tracy Director |
6,000 | $0 | 56,924 (Direct) |
View |
| 2020-09-09 Exercise |
2020-09-10 7:00 pm |
N/A 2025-05-01 |
ACM Research Inc. | ACMR | Wang Jian See remarks |
33,334 | $0 | 116,872 (Direct) |
View |
| 2020-09-09 Exercise |
2020-09-10 7:00 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang Jian See remarks |
33,334 | $1.5 | 116,872 (Direct) |
View |
| 2020-09-09 Tax Withholding |
2020-09-10 7:00 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang Jian See remarks |
848 | $58.97 | 116,872 (Direct) |
View |
| 2020-09-08 Exercise |
2020-09-10 7:00 pm |
N/A N/A |
ACM Research Inc. | ACMR | Hu Chenming Director |
31,102 | $3 | 31,102 (Direct) |
View |
| 2020-09-08 Exercise |
2020-09-10 7:00 pm |
N/A 2026-12-27 |
ACM Research Inc. | ACMR | Hu Chenming Director |
31,102 | $0 | 31,102 (Direct) |
View |
| 2020-08-27 Tax Withholding |
2020-08-31 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
547 | $96.05 | 586,073 (Direct) |
View |
| 2020-08-27 Exercise |
2020-08-31 5:30 pm |
N/A 2021-05-01 |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
70,000 | $0 | 586,073 (Direct) |
View |
| 2020-08-27 Exercise |
2020-08-31 5:30 pm |
N/A N/A |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
70,000 | $0.75 | 586,073 (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 |
| 2020-08-27 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 |
| 2020-08-05 Option Award |
2020-08-07 7:03 pm |
N/A 2030-03-19 |
ACM Research Inc. | ACMR | Wang David H See remarks 10% Owner |
181,799 | $0 | 181,799 (Direct) |
View |