InsiderClue
Stocks · Industrials · Special Industry Machinery, NEC

ACM Research, Inc.

ACMR Clue Score67
United States Fiscal year ends December CIK 0001680062 Results filed 5 Nov 2026
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What the insiders did Scheduled selling only

Individual transactions

72
Insider
Date
Role
Action
Shares
Price
Amount
David H Wang
9 Sep 2026
See Remarks
Sold after exercise
1,100
$77.59
$85.35K
David H Wang
9 Sep 2026
See Remarks
Sold after exercise
4,807
$76.73
$368.84K
David H Wang
9 Sep 2026
See Remarks
Sold after exercise
11,666
$75.58
$881.72K
David H Wang
9 Sep 2026
See Remarks
Sold after exercise
18,934
$74.67
$1.41M
David H Wang
9 Sep 2026
See Remarks
Sold after exercise
33,493
$73.80
$2.47M
David H Wang
8 Sep 2026
See Remarks
Sold after exercise
1,500
$78.57
$117.86K
David H Wang
8 Sep 2026
See Remarks
Sold after exercise
12,323
$78.08
$962.18K
David H Wang
8 Sep 2026
See Remarks
Sold after exercise
51,374
$77.15
$3.96M
David H Wang
8 Sep 2026
See Remarks
Sold after exercise
4,803
$75.99
$364.98K
Mark McKechnie
20 Aug 2026
See Remarks
Sold after exercise
11,209
$77.89
$873.07K
Mark McKechnie
20 Aug 2026
See Remarks
Sold after exercise
30,365
$77.45
$2.35M
Mark McKechnie
20 Aug 2026
See Remarks
Sold after exercise
13,625
$76.34
$1.04M
Haiping Dun
18 Aug 2026
Director
Sold after exercise
400
$82.17
$32.87K
Haiping Dun
18 Aug 2026
Director
Sold after exercise
3,400
$81.31
$276.45K
Haiping Dun
18 Aug 2026
Director
Sold after exercise
1,200
$80.29
$96.35K
Sotheara Cheav
5 Jun 2026
See remarks
Sold after exercise
1,647
$85.41
$140.67K
Sotheara Cheav
5 Jun 2026
See remarks
Sold after exercise
400
$84.01
$33.60K
Sotheara Cheav
5 Jun 2026
See remarks
Sold after exercise
968
$82.61
$79.97K
Sotheara Cheav
5 Jun 2026
See remarks
Sold after exercise
2,384
$81.73
$194.84K
David H Wang
4 Jun 2026
See Remarks
Sold after exercise
826
$87.91
$72.61K
David H Wang
4 Jun 2026
See Remarks
Sold after exercise
8,581
$87.13
$747.66K
David H Wang
4 Jun 2026
See Remarks
Sold after exercise
10,992
$86.07
$946.08K
David H Wang
4 Jun 2026
See Remarks
Sold after exercise
17,543
$85.11
$1.49M
David H Wang
4 Jun 2026
See Remarks
Sold after exercise
2,060
$83.86
$172.75K
Sotheara Cheav
4 Jun 2026
See remarks
Sold after exercise
2,839
$85.77
$243.50K
Sotheara Cheav
4 Jun 2026
See remarks
Sold after exercise
9,212
$85.11
$784.03K
Sotheara Cheav
4 Jun 2026
See remarks
Sold after exercise
1,300
$84.08
$109.30K
David H Wang
3 Jun 2026
See Remarks
Sold after exercise
1,187
$93.04
$110.44K
David H Wang
3 Jun 2026
See Remarks
Sold after exercise
5,843
$92.38
$539.78K
David H Wang
3 Jun 2026
See Remarks
Sold after exercise
9,925
$90.78
$900.99K
David H Wang
3 Jun 2026
See Remarks
Sold after exercise
32,450
$89.84
$2.92M
David H Wang
3 Jun 2026
See Remarks
Sold after exercise
6,295
$88.98
$560.13K
David H Wang
3 Jun 2026
See Remarks
Sold after exercise
4,300
$87.57
$376.55K
Haiping Dun
19 May 2026
Director
Sold after exercise
1,858
$67.54
$125.49K
Haiping Dun
19 May 2026
Director
Sold after exercise
1,309
$67.21
$87.98K
Haiping Dun
19 May 2026
Director
Sold after exercise
500
$65.09
$32.55K
Haiping Dun
19 May 2026
Director
Sold after exercise
1,333
$63.84
$85.10K
Charles C Pappis
17 Apr 2026
Director
Sold after exercise
5,000
$52.00
$260.00K
David H Wang
12 Mar 2026
See Remarks
Sold after exercise
702
$46.57
$32.69K
David H Wang
12 Mar 2026
See Remarks
Sold after exercise
38,737
$45.74
$1.77M
David H Wang
12 Mar 2026
See Remarks
Sold after exercise
10,561
$44.92
$474.40K
Mark McKechnie
12 Mar 2026
See Remarks
Sold after exercise
564
$46.57
$26.27K
Mark McKechnie
12 Mar 2026
See Remarks
Sold after exercise
29,348
$45.74
$1.34M
Mark McKechnie
12 Mar 2026
See Remarks
Sold after exercise
8,639
$44.94
$388.24K
Mark McKechnie
12 Mar 2026
See Remarks
Sold after exercise
982
$46.55
$45.71K
Mark McKechnie
12 Mar 2026
See Remarks
Sold after exercise
47,108
$45.74
$2.15M
Mark McKechnie
12 Mar 2026
See Remarks
Sold after exercise
11,910
$44.89
$534.64K
Tracy Liu
11 Mar 2026
Director
Sold after exercise
3,377
$48.25
$162.94K
Tracy Liu
11 Mar 2026
Director
Sold after exercise
11,623
$47.81
$555.70K
David H Wang
11 Mar 2026
See Remarks
Sold after exercise
4,627
$48.34
$223.67K
David H Wang
11 Mar 2026
See Remarks
Sold after exercise
55,373
$47.89
$2.65M
Tracy Liu
10 Mar 2026
Director
Sold after exercise
12,784
$48.19
$616.06K
Tracy Liu
10 Mar 2026
Director
Sold after exercise
32,216
$47.06
$1.52M
Haiping Dun
9 Mar 2026
Director
Sold after exercise
900
$43.94
$39.55K
Haiping Dun
9 Mar 2026
Director
Sold after exercise
4,100
$43.37
$177.82K
Lisa Feng
6 Mar 2026
See remarks
Sold after exercise
200
$46.58
$9.32K
Lisa Feng
6 Mar 2026
See remarks
Sold after exercise
14,800
$46.07
$681.84K
Lisa Feng
5 Mar 2026
See remarks
Sold after exercise
6,950
$50.24
$349.17K
Lisa Feng
5 Mar 2026
See remarks
Sold after exercise
8,050
$49.81
$400.97K
Charles C Pappis
5 Mar 2026
Director
Sold after exercise
5,000
$50.09
$250.45K
Mark McKechnie
8 Dec 2025
See Remarks
Sold after exercise
22,500
$35.45
$797.63K
David H Wang
4 Dec 2025
See Remarks
Sold after exercise
40,183
$34.42
$1.38M
David H Wang
4 Dec 2025
See Remarks
Sold after exercise
19,817
$33.52
$664.27K
Mark McKechnie
4 Dec 2025
See Remarks
Sold after exercise
996
$34.26
$34.12K
Mark McKechnie
4 Dec 2025
See Remarks
Sold after exercise
7,754
$33.50
$259.76K
Fuping Chen
3 Dec 2025
See remarks
Sold after exercise
300
$33.57
$10.07K
Fuping Chen
3 Dec 2025
See remarks
Sold after exercise
19,700
$33.05
$651.09K
David H Wang
3 Dec 2025
See Remarks
Sold after exercise
1,200
$33.56
$40.27K
David H Wang
3 Dec 2025
See Remarks
Sold after exercise
68,800
$33.05
$2.27M
Fuping Chen
2 Dec 2025
See remarks
Sold after exercise
100,000
$33.20
$3.32M
Lisa Feng
13 Nov 2025
See remarks
Sold after exercise
15,000
$33.77
$506.55K
Lisa Feng
12 Nov 2025
See remarks
Sold after exercise
15,000
$32.76
$491.40K

What was left out

Form 4 filings counted 23
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 72
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 1,703,842
History held since 17 May 2018