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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
2023-07-03 Feng Lisa See remarks Option exercise +22,500 $1.77 $40K 72,501
2023-07-03 Feng Lisa See remarks Sale −22,500 $15.00 $338K 50,001
2023-07-03 Feng Lisa See remarks Option exercise · Stock Option −22,500 0
2023-06-06 Cheav Sotheara See remarks Option exercise +22,500 $4.62 $104K 132,502
2023-06-06 Cheav Sotheara See remarks Option exercise +16,500 $5.33 $88K 149,002
2023-06-06 Cheav Sotheara See remarks Sale −39,000 $10.00 $390K 110,002
2023-06-06 Cheav Sotheara See remarks Option exercise · Stock Option −16,500 13,500
2023-06-01 Dun Haiping Director Sale −37,500 $10.00 $375K 887,188
2023-05-22 Dun Haiping Director Option exercise +37,500 $0.50 $19K 926,616
2023-05-22 Dun Haiping Director Shares withheld for taxes −1,928 $9.73 $19K 924,688
2023-05-22 Dun Haiping Director Option exercise · Stock Option −37,500 200,001
2023-03-16 Dun Haiping Director Sale −37,500 $12.06 $452K 889,116
2023-03-09 Dun Haiping Director Option exercise +37,500 $0.50 $19K 928,120
2023-03-09 Dun Haiping Director Shares withheld for taxes −1,504 $12.47 $19K 926,616
2023-03-09 Dun Haiping Director Option exercise · Stock Option −37,500 237,501
2023-03-09 Feng Lisa See remarks Option exercise +22,500 $1.77 $40K 72,501
2023-03-09 Feng Lisa See remarks Sale −2,700 $12.21 $33K 69,801
2023-03-09 Feng Lisa See remarks Sale −9,546 $12.33 $118K 60,255
2023-03-09 Feng Lisa See remarks Sale −9,144 $12.44 $114K 51,111
2023-03-09 Feng Lisa See remarks Sale −1,110 $12.55 $14K 50,001

Page 20 of 32 · 639 trades