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CIK 0001680062 · Large accelerated filer

ACM Research, Inc.

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Ticker
ACMR
Exchange
Nasdaq
Industry
Special Industry Machinery, NEC
FY end
Dec 31
Incorporated
CA
Entity type
operating
Phone
510-445-3700
Business address
42307 OSGOOD ROAD, SUITE I, FREMONT, CA, 94539
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$15,300,651
in 3 filings, $15.3M under 10b5-1 plans

Net −$15,300,651. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Wang David H −$10.6M See Remarks sold 15% of stake
  2. McKechnie Mark −$4.3M See Remarks sold 98% of stake
  3. Dun Haiping −$406K Director sold 100% of stake
Date Insider Transaction Shares Price Value Owned after
2022-08-16 Cheav Sotheara See remarks Sale −5,000 $19.42 $97K 130,002
2022-08-16 Cheav Sotheara See remarks Option exercise · Stock Option −5,000 40,000
2022-08-15 Dun Haiping Director Option exercise +37,500 $0.50 $19K 929,109
2022-08-15 Dun Haiping Director Shares withheld for taxes −963 $19.49 $19K 928,146
2022-08-15 Dun Haiping Director Sale +36,519 $19.28 $704K 891,627
2022-08-15 Dun Haiping Director Option exercise · Stock Option −37,500 350,001
2022-08-12 McKechnie Mark See Remarks Grant or award · Stock Option +100,000 100,000
2022-08-08 Dun Haiping Director Option exercise +37,500 $0.50 $19K 892,590
2022-08-08 Dun Haiping Director Shares withheld for taxes −981 $19.13 $19K 891,609
2022-08-08 Dun Haiping Director Option exercise · Stock Option −37,500 387,501
2022-06-30 Xing Xiao Director Grant or award · Stock Option +24,000 24,000
2022-06-30 Hu Chenming Director Grant or award · Stock Option +24,000 24,000
2022-06-30 Liu Tracy Director Grant or award · Stock Option +24,000 24,000
2022-06-30 Dun Haiping Director Grant or award · Stock Option +24,000 24,000
2022-06-06 Cheav Sotheara See remarks Option exercise · Stock Option −22,500 12,500
2022-05-27 Dun Haiping Director Sale −36,150 $15.00 $542K 855,090
2022-05-18 Dun Haiping Director Option exercise +37,500 $0.50 $19K 892,590
2022-05-18 Dun Haiping Director Shares withheld for taxes −1,350 $13.89 $19K 891,240
2022-05-18 Dun Haiping Director Option exercise · Stock Option −37,500 425,001
2022-03-10 McKechnie Mark See Remarks Option exercise +5,000 $13.85 $69K 5,300

Page 22 of 32 · 639 trades