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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
2023-11-13 Cheav Sotheara See remarks Option exercise · Stock Option 10b5-1 −12,500 0
2023-10-11 McKechnie Mark See Remarks Option exercise 10b5-1 +11,250 $4.55 $51K 12,150
2023-10-11 McKechnie Mark See Remarks Sale 10b5-1 −11,250 $20.00 $225K 900
2023-10-11 McKechnie Mark See Remarks Option exercise · Stock Option 10b5-1 −11,250 18,750
2023-09-13 Wang David H See Remarks Sale 10b5-1 −85,116 $17.68 $1.5M 504,018
2023-09-12 Wang David H See Remarks Sale 10b5-1 −86,427 $18.03 $1.6M 592,707
2023-09-12 Wang David H See Remarks Sale 10b5-1 −3,573 $18.72 $67K 589,134
2023-09-04 Wang David H See Remarks Option exercise +180,000 $0.50 $90K 684,018
2023-09-04 Wang David H See Remarks Shares withheld for taxes −4,884 $18.43 $90K 679,134
2023-09-04 Wang David H See Remarks Option exercise · Stock Option −180,000 1,020,000
2023-09-01 McKechnie Mark See Remarks Option exercise 10b5-1 +30,000 $4.55 $137K 30,900
2023-09-01 McKechnie Mark See Remarks Sale 10b5-1 −30,000 $18.00 $540K 900
2023-09-01 McKechnie Mark See Remarks Option exercise · Stock Option 10b5-1 −30,000 30,000
2023-08-23 Chen Fuping See remarks Option exercise +96,165 $1.00 $96K 96,165
2023-08-23 Chen Fuping See remarks Option exercise +8,835 $1.77 $16K 105,000
2023-08-23 Chen Fuping See remarks Sale −105,000 $15.00 $1.6M 0
2023-08-23 Chen Fuping See remarks Option exercise · Stock Option −46,164 0
2023-08-23 Chen Fuping See remarks Option exercise · Stock Option −50,001 0
2023-08-23 Chen Fuping See remarks Option exercise · Stock Option −8,835 141,165
2023-08-22 Dun Haiping Director Sale −32,098 $13.85 $445K 855,090

Page 18 of 32 · 639 trades