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| Keyboard |
| ACM Research Inc | |
|---|---|
| Ticker | ACMR |
| CIK # | 0001680062 |
| CUSIP | 00108J109 |
| Sector | Technology - Special Industry Machinery, Nec |
| Address | 42307 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 |
| 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 Time | Holders | Shares 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 |