ACM Research Inc

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ACM Research Inc
TickerACMR
CIK #0001680062
CUSIP00108J109
SectorTechnology - Special Industry Machinery, Nec
Address42307 Osgood Road, Suite I, Fremont, CA 94539
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
ACM Research Inc 2016-08-16 15.0 M Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose
CIK Filing 2011 - 2026
[0001680062] 10-K
[0001680062] 10-Q
[0001680062] 3
[0001680062] 4
[0001680062] 8-K
[0001680062] D
[0001680062] SC 13D
[0001680062] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
BlackRock Inc ACM Research Inc [2024-01-26] 6.7
Shanghai Science & Technology Venture Capital Group Co Ltd ACM Research Inc [2023-06-13] 6.3
Shanghai Science & Technology Venture Capital Group Co Ltd ACM Research Inc [2023-06-13] 6.3
BlackRock Inc ACM Research Inc [2023-02-13] 5.9
Vanguard Group Inc ACM Research Inc [2023-02-09] 5.33
Yiheng Capital Management LP ACM Research Inc [2022-02-14] 8.2
Morgan Stanley ACM Research Inc [2021-08-19] 5.8
GIC Private Ltd ACM Research Inc [2020-05-22] 5.15
Form 3/4/5 Filer 2011 - 2026
ACM Research Inc
Wang David H
Cheav Sotheara
Dun Haiping
Pappis Charles C
McKechnie Mark
Liu Tracy
Feng Lisa
Chen Fuping
Hu Chenming
Shanghai Pudong Science & Technology Investment Group Co L
Shanghai Science & Technology Venture Capital Group Co L
Xing Xiao
Wang Jian
Xiang Yinan
Chen Fufa
Yang Zhengfan
Xu Min
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
McKechnie Mark
Class A Common Stock
2026-03-12 Sell 11,910 $44.89 534,640
McKechnie Mark
Stock Option · derivative
2026-03-12 Option exercise 60,000 $0.00
McKechnie Mark
Class A Common Stock
2026-03-12 Sell 29,348 $45.74 1,342,378
Wang David H
Stock Option · derivative
2026-03-12 Option exercise 50,000 $0.00
McKechnie Mark
Class A Common Stock
2026-03-12 Sell 8,639 $44.94 388,237
Wang David H
Class A Common Stock
2026-03-12 Sell 702 $46.57 32,692
McKechnie Mark
Class A Common Stock
2026-03-12 Option exercise 38,551 $19.49 751,359
McKechnie Mark
Class A Common Stock
2026-03-12 Sell 564 $46.57 26,265
McKechnie Mark
Class A Common Stock
2026-03-12 Sell 47,108 $45.74 2,154,720
McKechnie Mark
Class A Common Stock
2026-03-12 Sell 982 $46.55 45,712
Wang David H
Class A Common Stock
2026-03-12 Sell 38,737 $45.74 1,771,830
Wang David H
Class A Common Stock
2026-03-12 Sell 10,561 $44.92 474,400
McKechnie Mark
Stock Option · derivative
2026-03-12 Option exercise 38,551 $0.00
McKechnie Mark
Class A Common Stock
2026-03-12 Option exercise 60,000 $13.89 833,400
Wang David H
Class A Common Stock
2026-03-12 Option exercise 50,000 $1.00 50,000
Liu Tracy
Class A Common Stock
2026-03-11 Option exercise 15,000 $1.00 15,000
Wang David H
Class A Common Stock
2026-03-11 Sell 4,627 $48.34 223,669
Liu Tracy
Stock Option · derivative
2026-03-11 Option exercise 15,000 $0.00
Wang David H
Class A Common Stock
2026-03-11 Option exercise 60,000 $1.00 60,000
Liu Tracy
Class A Common Stock
2026-03-11 Sell 11,623 $47.81 555,696
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 306 46,737,702
2025-12-31 286 47,069,052
2025-09-30 265 45,607,324
2025-06-30 246 41,010,372
2025-03-31 247 38,892,319
2024-12-31 186 37,324,588
2024-09-30 187 34,314,732
2024-06-30 207 36,285,811
2024-03-31 203 36,861,651
2023-12-31 158 35,127,242
2023-09-30 156 31,627,823
2023-06-30 125 30,022,574
Form 13F Holdings
Firm Period DFND Voting Shares
Congress Asset Management Co [2026-06-30] SOLE 196,703 223,855
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 1,086 51,899
Empirical Financial Services LLC DBA Empirical Wealth Ma [2026-06-30] SOLE 30,931 32,246
NorthCrest Asset Manangement LLC [2026-06-30] SOLE 894 27,216
Louisiana State Employees Retirement System [2026-06-30] SOLE 23,600 23,600
Alaska Retirement Management Board [2026-06-30] SOLE 20,649 20,649
Capstone Capital Management Ltd [2026-06-30] SOLE 16,643 16,643
Yousif Capital Management LLC [2026-06-30] SOLE 3,606 15,020
Spire Wealth Management [2026-06-30] SOLE 0 14,664
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 13,532 13,532
FCG Investment Co [2026-06-30] SOLE 0 8,125
First Growth Capital LLC [2026-06-30] SOLE 5,615 5,615
Corecap Advisors LLC [2026-06-30] SOLE 0 5,410
Violich Capital Management [2026-06-30] SOLE 5,350 5,350
Contravisory Investment Management Inc [2026-06-30] SOLE 5,216 5,216
QP Wealth Management LLC [2026-06-30] SOLE 0 4,476
Merit Financial Group LLC [2026-06-30] OTR 0 3,611
Blue Square Asset Management LLC [2026-06-30] SOLE 3,000 3,000
Sequoia Financial Advisors LLC [2026-06-30] SOLE 0 2,616
Ken Roberts Investment Management Inc [2026-06-30] SOLE 1,611 2,210
Farther Finance Advisors LLC [2026-06-30] SOLE 0 1,992
Key Client Fiduciary Advisors LLC [2026-06-30] SOLE 1,985 1,985
Crossmark Global Holdings Inc [2026-06-30] SOLE 1,688 1,688
Gamma Investing LLC [2026-06-30] DFND 1,440 1,440
Bank of New Hampshire [2026-06-30] SOLE 1,062 1,062
Empirical Financial Services LLC DBA Empirical Wealth Ma [2026-06-30] OTR 907 907
Harbor Investment Advisory LLC [2026-06-30] SOLE 738 738
Polunin Capital Partners Ltd [2026-06-30] SOLE 748,498 607
IFP Advisors LLC [2026-06-30] SOLE 465 465
Cedar Mountain Advisors LLC [2026-06-30] SOLE 0 230
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