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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
2023-03-09 Feng Lisa See remarks Option exercise · Stock Option −22,500 0
2023-02-12 Wang Jian See remarks Grant or award · Stock Option +15,000 15,000
2022-12-31 Feng Lisa See remarks Grant or award · Stock Option +22,500 22,500
2022-12-30 Chen Fuping See remarks Grant or award · Stock Option +3,000 3,000
2022-12-30 Chen Fuping See remarks Grant or award · Stock Option +13,500 13,500
2022-12-28 McKechnie Mark See Remarks Grant or award · Stock Option +22,500 22,500
2022-11-30 Dun Haiping Director Sale −35,327 $8.43 $298K 890,620
2022-11-22 Dun Haiping Director Option exercise +37,500 $0.50 $19K 928,120
2022-11-22 Dun Haiping Director Shares withheld for taxes −2,173 $8.63 $19K 925,947
2022-11-22 Dun Haiping Director Option exercise · Stock Option −37,500 275,001
2022-11-14 Dun Haiping Director Option exercise +37,500 $0.50 $19K 892,590
2022-11-14 Dun Haiping Director Shares withheld for taxes −1,970 $9.52 $19K 890,620
2022-11-14 Dun Haiping Director Option exercise · Stock Option −37,500 312,501
2022-08-22 Dun Haiping Director Sale −36,537 $16.10 $588K 855,090
2022-08-18 Cheav Sotheara See remarks Sale −10,000 $17.50 $175K 110,002
2022-08-17 Cheav Sotheara See remarks Option exercise +5,000 $4.62 $23K 135,002
2022-08-17 Cheav Sotheara See remarks Sale −9,182 $17.50 $161K 125,820
2022-08-17 Cheav Sotheara See remarks Sale −5,818 $18.29 $106K 120,002
2022-08-17 Cheav Sotheara See remarks Option exercise · Stock Option −5,000 35,000
2022-08-16 Cheav Sotheara See remarks Option exercise +5,000 $4.62 $23K 135,002

Page 21 of 32 · 639 trades