See how company executives and directors have been buying or selling shares over the past 30 days. Insider trading activity can help investors better understand company leadership's actions.
No Insider Transactions found for ACM Research, Inc.
Browse insider buying and selling activity reported to the SEC over the past year, including who traded, when they traded, and the value of each transaction.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Sep 09, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
33,493 | $73.80 | 33,493 $73.80 $2,471,783 |
Sep 09, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
1,100 | $77.59 | 1,100 $77.59 $85,349 |
Sep 09, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
18,934 | $74.67 | 18,934 $74.67 $1,413,802 |
Sep 09, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
11,666 | $75.58 | 11,666 $75.58 $881,716 |
Sep 09, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
4,807 | $76.73 | 4,807 $76.73 $368,841 |
Sep 08, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
12,323 | $78.08 | 12,323 $78.08 $962,180 |
Sep 08, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
1,500 | $78.57 | 1,500 $78.57 $117,855 |
Sep 08, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
4,803 | $75.99 | 4,803 $75.99 $364,980 |
Sep 08, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
51,374 | $77.15 | 51,374 $77.15 $3,963,504 |
Aug 20, 2026 McKechnie Mark |
McKechnie Mark
See Remarks
|
Sell |
13,625 | $76.34 | 13,625 $76.34 $1,040,133 |
Aug 20, 2026 McKechnie Mark |
McKechnie Mark
See Remarks
|
Sell |
30,365 | $77.45 | 30,365 $77.45 $2,351,769 |
Aug 20, 2026 McKechnie Mark |
McKechnie Mark
See Remarks
|
Sell |
11,209 | $77.89 | 11,209 $77.89 $873,069 |
Aug 18, 2026 Dun Haiping |
Dun Haiping
|
Sell |
400 | $82.17 | 400 $82.17 $32,868 |
Aug 18, 2026 Dun Haiping |
Dun Haiping
|
Sell |
3,400 | $81.31 | 3,400 $81.31 $276,454 |
Aug 18, 2026 Dun Haiping |
Dun Haiping
|
Sell |
1,200 | $80.29 | 1,200 $80.29 $96,348 |
Jun 05, 2026 Cheav Sotheara |
Cheav Sotheara
See Remarks
|
Sell |
2,384 | $81.73 | 2,384 $81.73 $194,844 |
Jun 05, 2026 Cheav Sotheara |
Cheav Sotheara
See Remarks
|
Sell |
400 | $84.01 | 400 $84.01 $33,604 |
Jun 05, 2026 Cheav Sotheara |
Cheav Sotheara
See Remarks
|
Sell |
1,647 | $85.41 | 1,647 $85.41 $140,670 |
Jun 05, 2026 Cheav Sotheara |
Cheav Sotheara
See Remarks
|
Sell |
968 | $82.61 | 968 $82.61 $79,966 |
Jun 04, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
826 | $87.91 | 826 $87.91 $72,614 |
Jun 04, 2026 Cheav Sotheara |
Cheav Sotheara
See Remarks
|
Sell |
2,839 | $85.77 | 2,839 $85.77 $243,501 |
Jun 04, 2026 Cheav Sotheara |
Cheav Sotheara
See Remarks
|
Sell |
9,212 | $85.11 | 9,212 $85.11 $784,033 |
Jun 04, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
17,543 | $85.11 | 17,543 $85.11 $1,493,085 |
Jun 04, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
2,060 | $83.86 | 2,060 $83.86 $172,752 |
Jun 04, 2026 Cheav Sotheara |
Cheav Sotheara
See Remarks
|
Sell |
1,300 | $84.08 | 1,300 $84.08 $109,304 |
Jun 04, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
8,581 | $87.13 | 8,581 $87.13 $747,663 |
Jun 04, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
10,992 | $86.07 | 10,992 $86.07 $946,081 |
Jun 03, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
9,925 | $90.78 | 9,925 $90.78 $900,992 |
Jun 03, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
5,843 | $92.38 | 5,843 $92.38 $539,776 |
Jun 03, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
1,187 | $93.04 | 1,187 $93.04 $110,438 |
Jun 03, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
4,300 | $87.57 | 4,300 $87.57 $376,551 |
Jun 03, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
6,295 | $88.98 | 6,295 $88.98 $560,129 |
Jun 03, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
32,450 | $89.84 | 32,450 $89.84 $2,915,308 |
May 19, 2026 Dun Haiping |
Dun Haiping
|
Sell |
500 | $65.09 | 500 $65.09 $32,545 |
May 19, 2026 Dun Haiping |
Dun Haiping
|
Sell |
1,309 | $67.21 | 1,309 $67.21 $87,978 |
May 19, 2026 Dun Haiping |
Dun Haiping
|
Sell |
1,858 | $67.54 | 1,858 $67.54 $125,489 |
May 19, 2026 Dun Haiping |
Dun Haiping
|
Sell |
1,333 | $63.84 | 1,333 $63.84 $85,099 |
Apr 17, 2026 Pappis Charles C |
Pappis Charles C
|
Sell |
5,000 | $52.00 | 5,000 $52.00 $260,000 |
Mar 12, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
38,737 | $45.74 | 38,737 $45.74 $1,771,830 |
Mar 12, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
10,561 | $44.92 | 10,561 $44.92 $474,400 |
Mar 12, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
702 | $46.57 | 702 $46.57 $32,692 |
Mar 12, 2026 McKechnie Mark |
McKechnie Mark
See Remarks
|
Sell |
11,910 | $44.89 | 11,910 $44.89 $534,640 |
Mar 12, 2026 McKechnie Mark |
McKechnie Mark
See Remarks
|
Sell |
47,108 | $45.74 | 47,108 $45.74 $2,154,720 |
Mar 12, 2026 McKechnie Mark |
McKechnie Mark
See Remarks
|
Sell |
982 | $46.55 | 982 $46.55 $45,712 |
Mar 12, 2026 McKechnie Mark |
McKechnie Mark
See Remarks
|
Sell |
8,639 | $44.94 | 8,639 $44.94 $388,237 |
Mar 12, 2026 McKechnie Mark |
McKechnie Mark
See Remarks
|
Sell |
29,348 | $45.74 | 29,348 $45.74 $1,342,378 |
Mar 12, 2026 McKechnie Mark |
McKechnie Mark
See Remarks
|
Sell |
564 | $46.57 | 564 $46.57 $26,265 |
Mar 11, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
4,627 | $48.34 | 4,627 $48.34 $223,669 |
Mar 11, 2026 Wang David H |
Wang David H
See Remarks
|
Sell |
55,373 | $47.89 | 55,373 $47.89 $2,651,813 |
Mar 11, 2026 Liu Tracy |
Liu Tracy
|
Sell |
11,623 | $47.81 | 11,623 $47.81 $555,696 |
Mar 11, 2026 Liu Tracy |
Liu Tracy
|
Sell |
3,377 | $48.25 | 3,377 $48.25 $162,940 |
Mar 10, 2026 Liu Tracy |
Liu Tracy
|
Sell |
32,216 | $47.06 | 32,216 $47.06 $1,516,085 |
Mar 10, 2026 Liu Tracy |
Liu Tracy
|
Sell |
12,784 | $48.19 | 12,784 $48.19 $616,061 |
Mar 06, 2026 Feng Lisa |
Feng Lisa
See Remarks
|
Sell |
200 | $46.58 | 200 $46.58 $9,316 |
Mar 06, 2026 Feng Lisa |
Feng Lisa
See Remarks
|
Sell |
14,800 | $46.07 | 14,800 $46.07 $681,836 |
Mar 05, 2026 Feng Lisa |
Feng Lisa
See Remarks
|
Sell |
6,950 | $50.24 | 6,950 $50.24 $349,168 |
Mar 05, 2026 Feng Lisa |
Feng Lisa
See Remarks
|
Sell |
8,050 | $49.81 | 8,050 $49.81 $400,971 |
Mar 05, 2026 Pappis Charles C |
Pappis Charles C
|
Sell |
5,000 | $50.09 | 5,000 $50.09 $250,450 |
Dec 08, 2025 McKechnie Mark |
McKechnie Mark
See Remarks
|
Sell |
22,500 | $35.45 | 22,500 $35.45 $797,625 |
Dec 04, 2025 Wang David H |
Wang David H
See Remarks
|
Sell |
19,817 | $33.52 | 19,817 $33.52 $664,266 |
Dec 04, 2025 McKechnie Mark |
McKechnie Mark
See Remarks
|
Sell |
996 | $34.26 | 996 $34.26 $34,123 |
Dec 04, 2025 McKechnie Mark |
McKechnie Mark
See Remarks
|
Sell |
7,754 | $33.50 | 7,754 $33.50 $259,759 |
Dec 04, 2025 Wang David H |
Wang David H
See Remarks
|
Sell |
40,183 | $34.42 | 40,183 $34.42 $1,383,099 |
Dec 03, 2025 Wang David H |
Wang David H
See Remarks
|
Sell |
1,200 | $33.56 | 1,200 $33.56 $40,272 |
Dec 03, 2025 Wang David H |
Wang David H
See Remarks
|
Sell |
68,800 | $33.05 | 68,800 $33.05 $2,273,840 |
Dec 03, 2025 Chen Fuping |
Chen Fuping
See Remarks
|
Sell |
19,700 | $33.05 | 19,700 $33.05 $651,085 |
Dec 03, 2025 Chen Fuping |
Chen Fuping
See Remarks
|
Sell |
300 | $33.57 | 300 $33.57 $10,071 |
Dec 02, 2025 Chen Fuping |
Chen Fuping
See Remarks
|
Sell |
100,000 | $33.20 | 100,000 $33.20 $3,320,000 |
View older insider trading records reported to the SEC to research long-term buying and selling trends.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Sep 18, 2025 Cheav Sotheara |
Cheav Sotheara
See Remarks
|
Sell |
10,000 | $35.00 | 10,000 $35.00 $350,000 |
Sep 18, 2025 Wang Jian |
Wang Jian
See Remarks
|
Sell |
30,000 | $35.00 | 30,000 $35.00 $1,050,000 |
Sep 17, 2025 Liu Tracy |
Liu Tracy
|
Sell |
15,000 | $33.00 | 15,000 $33.00 $495,000 |
Sep 04, 2025 Wang David H |
Wang David H
See Remarks
|
Sell |
60,000 | $26.44 | 60,000 $26.44 $1,586,400 |
Sep 03, 2025 Wang David H |
Wang David H
See Remarks
|
Sell |
66,057 | $26.73 | 66,057 $26.73 $1,765,704 |
Sep 03, 2025 Wang David H |
Wang David H
See Remarks
|
Sell |
3,943 | $27.31 | 3,943 $27.31 $107,683 |
Aug 25, 2025 Wang Jian |
Wang Jian
See Remarks
|
Sell |
30,000 | $32.00 | 30,000 $32.00 $960,000 |
Aug 22, 2025 Cheav Sotheara |
Cheav Sotheara
See Remarks
|
Sell |
11,152 | $30.00 | 11,152 $30.00 $334,560 |
Aug 22, 2025 Wang Jian |
Wang Jian
See Remarks
|
Sell |
30,000 | $30.00 | 30,000 $30.00 $900,000 |
Jul 15, 2025 Liu Tracy |
Liu Tracy
|
Sell |
15,000 | $30.00 | 15,000 $30.00 $450,000 |
Jul 07, 2025 Feng Lisa |
Feng Lisa
See Remarks
|
Sell |
15,000 | $28.00 | 15,000 $28.00 $420,000 |
Jun 24, 2025 Feng Lisa |
Feng Lisa
See Remarks
|
Sell |
15,000 | $26.00 | 15,000 $26.00 $390,000 |
May 22, 2025 Wang David H |
Wang David H
See Remarks
|
Sell |
60,000 | $22.63 | 60,000 $22.63 $1,357,800 |
May 21, 2025 Wang David H |
Wang David H
See Remarks
|
Sell |
8 | $24.04 | 8 $24.04 $192 |
May 21, 2025 Wang David H |
Wang David H
See Remarks
|
Sell |
69,992 | $23.60 | 69,992 $23.60 $1,651,811 |
May 14, 2025 McKechnie Mark |
McKechnie Mark
See Remarks
|
Sell |
15,000 | $25.22 | 15,000 $25.22 $378,300 |
Mar 17, 2025 Hu Chenming |
Hu Chenming
|
Sell |
163,308 | $30.00 | 163,308 $30.00 $4,899,240 |
Mar 14, 2025 Dun Haiping |
Dun Haiping
|
Sell |
2,456 | $28.32 | 2,456 $28.32 $69,554 |
Mar 14, 2025 Dun Haiping |
Dun Haiping
|
Sell |
7,062 | $29.23 | 7,062 $29.23 $206,422 |
Mar 13, 2025 Wang David H |
Wang David H
See Remarks
|
Sell |
1,019 | $27.65 | 1,019 $27.65 $28,175 |
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