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 Net selling

Individual transactions

144
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
Sotheara Cheav
18 Sep 2025
See remarks
Sold after exercise
10,000
$35.00
$350.00K
Jian Wang
18 Sep 2025
See remarks
Sold after exercise
30,000
$35.00
$1.05M
Tracy Liu
17 Sep 2025
Director
Sold after exercise
15,000
$33.00
$495.00K
David H Wang
4 Sep 2025
See Remarks
Sold after exercise
60,000
$26.44
$1.59M
David H Wang
3 Sep 2025
See Remarks
Sold after exercise
3,943
$27.31
$107.68K
David H Wang
3 Sep 2025
See Remarks
Sold after exercise
66,057
$26.73
$1.77M
Jian Wang
25 Aug 2025
See remarks
Sold after exercise
30,000
$32.00
$960.00K
Jian Wang
22 Aug 2025
See remarks
Sold after exercise
30,000
$30.00
$900.00K
Sotheara Cheav
22 Aug 2025
See remarks
Sold after exercise
11,152
$30.00
$334.56K
Tracy Liu
15 Jul 2025
Director
Sold after exercise
15,000
$30.00
$450.00K
Lisa Feng
7 Jul 2025
See remarks
Sold after exercise
15,000
$28.00
$420.00K
Lisa Feng
24 Jun 2025
See remarks
Sold after exercise
15,000
$26.00
$390.00K
David H Wang
22 May 2025
See Remarks
Sold after exercise
60,000
$22.63
$1.36M
David H Wang
21 May 2025
See Remarks
Sold after exercise
8
$24.04
$192.32
David H Wang
21 May 2025
See Remarks
Sold after exercise
69,992
$23.60
$1.65M
Mark McKechnie
14 May 2025
See Remarks
Sold after exercise
15,000
$25.22
$378.30K
Mark McKechnie
12 Mar 2025
See Remarks
Sold after exercise
15,000
$27.42
$411.30K
Mark McKechnie
6 Feb 2025
See Remarks
Sold after exercise
15,000
$22.00
$330.00K
Sotheara Cheav
6 Feb 2025
See remarks
Sold after exercise
22,598
$23.00
$519.75K
Mark McKechnie
4 Oct 2024
See Remarks
Sold after exercise
16,516
$22.00
$363.35K
Jian Wang
11 Jun 2024
See remarks
Sold after exercise
1,680
$23.68
$39.78K
Jian Wang
11 Jun 2024
See remarks
Sold after exercise
28,320
$22.98
$650.79K
Jian Wang
10 Jun 2024
See remarks
Sold after exercise
30,000
$22.07
$662.10K
Jian Wang
7 Jun 2024
See remarks
Sold after exercise
30,000
$22.07
$662.10K
Mark McKechnie
6 Jun 2024
See Remarks
Sold after exercise
5,984
$22.92
$137.15K
Mark McKechnie
6 Jun 2024
See Remarks
Sold after exercise
14,016
$22.92
$321.25K
Jian Wang
6 Jun 2024
See remarks
Sold after exercise
30,000
$22.92
$687.60K
Tracy Liu
28 Feb 2024
Director
Sold after exercise
12,500
$25.20
$315.00K
Lisa Feng
28 Feb 2024
See remarks
Sold after exercise
7,500
$25.20
$189.00K
Mark McKechnie
12 Jan 2024
See Remarks
Sold after exercise
10,000
$22.00
$220.00K
Lisa Feng
26 Dec 2023
See remarks
Sold after exercise
7,500
$20.00
$150.00K
Tracy Liu
26 Dec 2023
Director
Sold after exercise
10,000
$20.00
$200.00K
Tracy Liu
20 Nov 2023
Director
Sold after exercise
15,000
$17.91
$268.65K
Sotheara Cheav
13 Nov 2023
See remarks
Sold after exercise
26,000
$16.79
$436.54K
Mark McKechnie
11 Oct 2023
See Remarks
Sold after exercise
11,250
$20.00
$225.00K
Mark McKechnie
1 Sep 2023
See Remarks
Sold after exercise
30,000
$18.00
$540.00K
Fuping Chen
23 Aug 2023
See remarks
Sold after exercise
105,000
$15.00
$1.58M
Lisa Feng
3 Jul 2023
See remarks
Sold after exercise
22,500
$15.00
$337.50K
Sotheara Cheav
6 Jun 2023
See remarks
Sold after exercise
39,000
$10.00
$390.00K
Lisa Feng
9 Mar 2023
See remarks
Sold after exercise
1,110
$12.55
$13.93K
Lisa Feng
9 Mar 2023
See remarks
Sold after exercise
9,144
$12.44
$113.75K
Lisa Feng
9 Mar 2023
See remarks
Sold after exercise
9,546
$12.33
$117.70K
Lisa Feng
9 Mar 2023
See remarks
Sold after exercise
2,700
$12.21
$32.97K
Sotheara Cheav
17 Aug 2022
See remarks
Sold after exercise
5,818
$18.29
$106.41K
Sotheara Cheav
17 Aug 2022
See remarks
Sold after exercise
9,182
$17.50
$160.69K
Sotheara Cheav
16 Aug 2022
See remarks
Sold after exercise
5,000
$19.42
$97.10K
Haiping Dun
15 Aug 2022
Director
Sold after exercise
36,519
$19.28
$704.09K
Mark McKechnie
10 Mar 2022
See Remarks
Sold after exercise
378
$69.07
$26.11K
Mark McKechnie
10 Mar 2022
See Remarks
Sold after exercise
399
$68.01
$27.14K
Mark McKechnie
10 Mar 2022
See Remarks
Sold after exercise
400
$67.13
$26.85K
Mark McKechnie
10 Mar 2022
See Remarks
Sold after exercise
588
$65.59
$38.57K
Mark McKechnie
10 Mar 2022
See Remarks
Sold after exercise
1,035
$64.42
$66.67K
Mark McKechnie
10 Mar 2022
See Remarks
Sold after exercise
700
$63.42
$44.39K
Mark McKechnie
10 Mar 2022
See Remarks
Sold after exercise
400
$61.57
$24.63K
Mark McKechnie
10 Mar 2022
See Remarks
Sold after exercise
1,100
$60.56
$66.62K
Haiping Dun
9 Mar 2022
Director
Sold after exercise
3,000
$82.66
$247.98K
Haiping Dun
9 Mar 2022
Director
Sold after exercise
8,069
$82.11
$662.55K
Haiping Dun
9 Mar 2022
Director
Sold after exercise
1,200
$80.48
$96.58K
Mark McKechnie
18 Nov 2021
See Remarks
Sold after exercise
166
$100.60
$16.70K
Mark McKechnie
18 Nov 2021
See Remarks
Sold after exercise
300
$99.58
$29.87K
Mark McKechnie
18 Nov 2021
See Remarks
Sold after exercise
200
$97.56
$19.51K
Mark McKechnie
18 Nov 2021
See Remarks
Sold after exercise
374
$96.33
$36.03K
Mark McKechnie
18 Nov 2021
See Remarks
Sold after exercise
607
$93.85
$56.97K
Mark McKechnie
18 Nov 2021
See Remarks
Sold after exercise
2,932
$92.92
$272.44K
Mark McKechnie
18 Nov 2021
See Remarks
Sold after exercise
421
$92.03
$38.74K
Mark McKechnie
19 Aug 2021
See remarks
Sold after exercise
200
$83.89
$16.78K
Mark McKechnie
19 Aug 2021
See remarks
Sold after exercise
526
$82.74
$43.52K
Mark McKechnie
19 Aug 2021
See remarks
Sold after exercise
4,274
$81.91
$350.08K
Sotheara Cheav
8 Apr 2021
See remarks
Sold after exercise
5,000
$88.66
$443.30K
Sotheara Cheav
16 Mar 2021
See remarks
Sold after exercise
10,000
$93.69
$936.90K
Sotheara Cheav
15 Mar 2021
See remarks
Sold after exercise
10,000
$91.67
$916.70K
Mark McKechnie
12 Mar 2021
See remarks
Sold after exercise
10,028
$87.89
$881.36K
Showing 250 of 300 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 219
Amendments (4/A) skipped 16
Filings about a different issuer 0
Unreadable filings 0
Joint filings 2
Sales on a Rule 10b5-1 plan 57
Sales straight out of an exercise 151
Sales at will 45
Transactions with no price 0
Shares from compensation/vesting 6,671,043
Sales filed before the plan box existed 42
History held since 17 May 2018