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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.

Date Insider Transaction Shares Price Value Owned after
2026-10-01 Ma Yue NMN See Remarks Grant or award · Stock Option +100,000 100,000
2026-10-01 Ma Yue NMN See Remarks Grant or award · Restricted Stock Units +13,470 13,470
2026-09-09 Wang David H See Remarks Option exercise 10b5-1 +70,000 $1.00 $70K 872,708
2026-09-09 Wang David H See Remarks Sale 10b5-1 −33,493 $73.80 $2.5M 839,215
2026-09-09 Wang David H See Remarks Sale 10b5-1 −18,934 $74.67 $1.4M 820,281
2026-09-09 Wang David H See Remarks Sale 10b5-1 −11,666 $75.58 $882K 808,615
2026-09-09 Wang David H See Remarks Sale 10b5-1 −4,807 $76.73 $369K 803,808
2026-09-09 Wang David H See Remarks Sale 10b5-1 −1,100 $77.59 $85K 802,708
2026-09-09 Wang David H See Remarks Option exercise · Stock Option 10b5-1 −70,000 130,000
2026-09-08 Wang David H See Remarks Option exercise 10b5-1 +70,000 $1.00 $70K 872,708
2026-09-08 Wang David H See Remarks Sale 10b5-1 −4,803 $75.99 $365K 867,905
2026-09-08 Wang David H See Remarks Sale 10b5-1 −51,374 $77.15 $4.0M 816,531
2026-09-08 Wang David H See Remarks Sale 10b5-1 −12,323 $78.08 $962K 804,208
2026-09-08 Wang David H See Remarks Sale 10b5-1 −1,500 $78.57 $118K 802,708
2026-09-08 Wang David H See Remarks Option exercise · Stock Option 10b5-1 −70,000 200,000
2026-08-20 McKechnie Mark See Remarks Option exercise 10b5-1 +30,199 $19.49 $589K 31,099
2026-08-20 McKechnie Mark See Remarks Option exercise 10b5-1 +25,000 $13.89 $347K 56,099
2026-08-20 McKechnie Mark See Remarks Sale 10b5-1 −13,625 $76.34 $1.0M 42,474
2026-08-20 McKechnie Mark See Remarks Sale 10b5-1 −30,365 $77.45 $2.4M 12,109
2026-08-20 McKechnie Mark See Remarks Sale 10b5-1 −11,209 $77.89 $873K 900

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