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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
2021-03-16 Cheav Sotheara See remarks Sale −10,000 $93.69 $937K 43,334
2021-03-16 Cheav Sotheara See remarks Option exercise · Stock Option −10,000 20,000
2021-03-15 Cheav Sotheara See remarks Option exercise +10,000 $13.85 $139K 53,334
2021-03-15 Cheav Sotheara See remarks Sale −10,000 $91.67 $917K 43,334
2021-03-15 Cheav Sotheara See remarks Option exercise · Stock Option −10,000 30,000
2021-03-12 McKechnie Mark See remarks Option exercise +10,028 $13.85 $139K 10,028
2021-03-12 McKechnie Mark See remarks Sale −10,028 $87.89 $881K 0
2021-03-12 McKechnie Mark See remarks Option exercise · Stock Option −10,028 19,972
2021-03-12 Wang David H See remarks Option exercise +100,001 $0.75 $75K 268,007
2021-03-12 Wang David H See remarks Shares withheld for taxes −773 $97.05 $75K 267,234
2021-03-12 Wang David H See remarks Option exercise · Stock Option −100,001 0
2021-03-10 McKechnie Mark See Remarks Option exercise · Stock Option −5,000 4,672
2021-03-09 McKechnie Mark See Remarks Option exercise · Stock Option −300 9,672
2021-03-08 Hu Chenming Director Option exercise +12,334 $7.50 $93K 54,436
2021-03-08 Hu Chenming Director Option exercise · Stock Option +12,334 0
2021-03-04 Hu Chenming Director Option exercise +11,000 $7.50 $83K 42,102
2021-03-04 Hu Chenming Director Option exercise · Stock Option +11,000 12,334
2021-03-02 Hu Chenming Director Option exercise +10,000 $7.50 $75K 31,102
2021-03-02 Hu Chenming Director Option exercise · Stock Option +10,000 23,334
2021-02-26 Feng Lisa See remarks Option exercise +3,470 $5.60 $19K 14,230

Page 26 of 32 · 639 trades