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

What the insiders did Net selling

Insider
Date
Role
Action
Shares
Price
Amount
David H Wang
8 Sep 2025
See Remarks
Exercised, kept
130,000
$1.00
$130.00K
David H Wang
3 Mar 2025
See Remarks
Exercised, kept
210,000
$0.50
$105.00K
Haiping Dun
3 Mar 2025
Director
Exercised, kept
25,001
$0.50
$12.50K
David H Wang
14 Nov 2024
See Remarks
Exercised, kept
270,000
$0.50
$135.00K
Haiping Dun
14 Nov 2024
Director
Exercised, kept
35,000
$0.50
$17.50K
Haiping Dun
14 Aug 2024
Director
Exercised, kept
35,000
$0.50
$17.50K
Haiping Dun
14 May 2024
Director
Exercised, kept
35,000
$0.50
$17.50K
David H Wang
14 May 2024
See Remarks
Exercised, kept
180,000
$0.50
$90.00K
Haiping Dun
1 Mar 2024
Director
Exercised, kept
35,000
$0.50
$17.50K
David H Wang
1 Mar 2024
See Remarks
Exercised, kept
180,000
$0.50
$90.00K
Haiping Dun
14 Nov 2023
Director
Exercised, kept
35,000
$0.50
$17.50K
David H Wang
14 Nov 2023
See Remarks
Exercised, kept
180,000
$0.50
$90.00K
David H Wang
4 Sep 2023
See Remarks
Exercised, kept
180,000
$0.50
$90.00K
Haiping Dun
22 May 2023
Director
Exercised, kept
37,500
$0.50
$18.75K
Haiping Dun
9 Mar 2023
Director
Exercised, kept
37,500
$0.50
$18.75K
Haiping Dun
22 Nov 2022
Director
Exercised, kept
37,500
$0.50
$18.75K
Haiping Dun
14 Nov 2022
Director
Exercised, kept
37,500
$0.50
$18.75K
Haiping Dun
8 Aug 2022
Director
Exercised, kept
37,500
$0.50
$18.75K
Haiping Dun
18 May 2022
Director
Exercised, kept
37,500
$0.50
$18.75K
Mark McKechnie
9 Mar 2022
See Remarks
Exercised, kept
300
$13.85
$4.16K
Haiping Dun
2 Mar 2022
Director
Exercised, kept
12,500
$1.50
$18.75K
Lisa Feng
3 Nov 2021
See remarks
Exercised, kept
2,437
$5.60
$13.65K
Chenming Hu
4 May 2021
Director
Exercised, kept
23,334
$3.00
$70.00K
Sotheara Cheav
5 Apr 2021
See remarks
Exercised, kept
13,334
$1.50
$20.00K
Chenming Hu
30 Mar 2021
Director
Exercised, kept
10,000
$3.00
$30.00K
David H Wang
12 Mar 2021
See remarks
Exercised, kept
100,001
$0.75
$75.00K
Chenming Hu
8 Mar 2021
Director
Exercised, kept
12,334
$7.50
$92.51K
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