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

22
Insider
Date
Role
Action
Shares
Price
Amount
Haiping Dun
22 Aug 2023
Director
Sell
32,098
$13.85
$444.56K
Haiping Dun
1 Jun 2023
Director
Sell
37,500
$10.00
$375.00K
Haiping Dun
16 Mar 2023
Director
Sell
37,500
$12.06
$452.25K
Haiping Dun
30 Nov 2022
Director
Sell
35,327
$8.43
$297.81K
Haiping Dun
22 Aug 2022
Director
Sell
36,537
$16.10
$588.25K
Sotheara Cheav
18 Aug 2022
See remarks
Sell
10,000
$17.50
$175.00K
Haiping Dun
27 May 2022
Director
Sell
36,150
$15.00
$542.25K
Yinan Xiang
24 Aug 2021
Director
Sell indirect
11,629
$88.97
$1.03M
Yinan Xiang
24 Aug 2021
Director
Sell indirect
200,000
$88.11
$17.62M
Yinan Xiang
24 Aug 2021
Director
Sell indirect
33,000
$86.08
$2.84M
Yinan Xiang
23 Aug 2021
Director
Sell indirect
35,136
$85.03
$2.99M
Yinan Xiang
18 Aug 2021
Director
Sell indirect
1,476
$86.28
$127.34K
Yinan Xiang
18 Aug 2021
Director
Sell indirect
25,136
$85.06
$2.14M
Yinan Xiang
13 Aug 2021
Director
Sell indirect
3,623
$85.10
$308.31K
Yinan Xiang
12 Aug 2021
Director
Sell indirect
20,000
$85.33
$1.71M
Yinan Xiang
11 Aug 2021
Director
Sell indirect
2,500
$90.05
$225.12K
Yinan Xiang
11 Aug 2021
Director
Sell indirect
1,600
$89.17
$142.68K
Yinan Xiang
11 Aug 2021
Director
Sell indirect
358
$86.15
$30.84K
Yinan Xiang
11 Aug 2021
Director
Sell indirect
25,542
$85.53
$2.18M
Sotheara Cheav
9 Apr 2021
See remarks
Sell
13,111
$86.64
$1.14M
David H Wang
19 Mar 2021
See remarks
Sell
49,228
$90.55
$4.46M
David H Wang
18 Mar 2021
See remarks
Sell
50,000
$91.92
$4.60M
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