| $138M | ||
| $102M | ||
| $95M | ||
| $94M | ||
| $50M | ||
| $43M |
Buys | $0 | 0 | 0 |
Sells | $71,487,370 | 37 | 100 |
| Cheav Sotheara | See remarks | 0 | $0 | 1 | $519,754 | $-519,754 |
| McKechnie Mark | See Remarks | 0 | $0 | 5 | $1.62M | $-1.62M |
| Wang Jian | See remarks | 0 | $0 | 4 | $2.7M | $-2.7M |
| Dun Haiping | director | 0 | $0 | 8 | $2.71M | $-2.71M |
| Hu Chenming | director | 0 | $0 | 1 | $4.9M | $-4.9M |
| Wang David H | See Remarks | 0 | $0 | 8 | $10.61M | $-10.61M |
| Xing Xiao | director | 0 | $0 | 5 | $24.21M | $-24.21M |
| Shanghai Science & Technology Venture Capital (Group) Co., Ltd. | Possible member of 10% group | 0 | $0 | 5 | $24.21M | $-24.21M |
ACM Research, Inc., together with its subsidiaries, develops, manufactures, and sells single-wafer wet cleaning equipment for enhancing the manufacturing process and yield for integrated chips worldwide. It offers space alternated phase shift technology for flat and patterned wafer surfaces, which employs alternating phases of megasonic waves to deliver megasonic energy in a uniform manner on a microscopic level; timely energized bubble oscillation technology for patterned wafer surfaces at advanced process nodes, which provides cleaning for 2D and 3D patterned wafers; Tahoe technology for delivering cleaning performance using less sulfuric acid and hydrogen peroxide; and electro-chemical plating technology for advanced metal plating. The company markets and sells its products under the Ultra C brand name through direct sales force and third-party representatives. ACM Research, Inc. was incorporated in 1998 and is headquartered in Fremont, California.
Over the last 12 months, insiders at ACM Research, Inc. have bought $0 and sold $71.49M worth of ACM Research, Inc. stock.
On average, over the past 5 years, insiders at ACM Research, Inc. have bought $0 and sold $28.78M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
| 2025-05-14 | Sale | McKechnie Mark | See Remarks | 15,000 0.0236% | $25.22 | $378,300 | -5.08% | |
| 2025-03-17 | Sale | Hu Chenming | director | 163,308 0.2589% | $30.00 | $4.9M | -29.62% | |
| 2025-03-14 | Sale | Dun Haiping | director | 9,518 0.015% | $29.00 | $275,976 | -27.08% | |
| 2025-03-13 | Sale | Wang David H | See Remarks | 37,500 0.0591% | $27.30 | $1.02M | -21.81% | |
| 2025-03-12 | Sale | Wang David H | See Remarks | 37,500 0.0592% | $27.42 | $1.03M | -20.76% | |
| 2025-03-12 | Sale | McKechnie Mark | See Remarks | 15,000 0.0237% | $27.42 | $411,300 | -20.76% | |
| 2025-03-11 | Sale | Wang David H | See Remarks | 56,250 0.0876% | $26.57 | $1.49M | -18.12% | |
| 2025-03-10 | Sale | Dun Haiping | director | 15,001 0.0241% | $26.54 | $398,127 | -14.67% | |
| 2025-02-06 | Sale | Cheav Sotheara | See remarks | 22,598 0.0398% | $23.00 | $519,754 | +2.09% | |
| 2025-02-06 | Sale | McKechnie Mark | See Remarks | 15,000 0.0253% | $22.00 | $330,000 | +2.09% | |
| 2024-11-29 | Sale | Dun Haiping | director | 19,058 0.0309% | $17.43 | $332,181 | +18.14% | |
| 2024-11-29 | Sale | Wang David H | See Remarks | 56,250 0.0911% | $17.44 | $981,000 | +18.14% | |
| 2024-11-26 | Sale | Wang David H | See Remarks | 56,250 0.0936% | $17.89 | $1.01M | +16.47% | |
| 2024-11-22 | Sale | Dun Haiping | director | 15,000 0.0243% | $19.12 | $286,800 | +7.24% | |
| 2024-11-22 | Sale | Wang David H | See Remarks | 56,250 0.0911% | $19.08 | $1.07M | +7.24% | |
| 2024-10-08 | Sale | Xing Xiao | director | 90,396 0.1584% | $21.13 | $1.91M | -10.89% | |
| 2024-10-08 | Sale | Shanghai Science & Technology Venture Capital (Group) Co., Ltd. | Possible member of 10% group | 90,396 0.1584% | $21.13 | $1.91M | -10.89% | |
| 2024-10-07 | Sale | Xing Xiao | director | 275,000 0.549% | $24.08 | $6.62M | -17.60% | |
| 2024-10-07 | Sale | Shanghai Science & Technology Venture Capital (Group) Co., Ltd. | Possible member of 10% group | 275,000 0.549% | $24.07 | $6.62M | -17.60% | |
| 2024-10-04 | Sale | Xing Xiao | director | 700,000 1.2426% | $21.41 | $14.99M | -11.71% |
| Increased Positions | 155 | +74.88% | 11M | +31.12% |
| Decreased Positions | 91 | -43.96% | 10M | -26.66% |
| New Positions | 86 | New | 5M | New |
| Sold Out Positions | 27 | Sold Out | 2M | Sold Out |
| Total Postitions | 271 | +30.92% | 38M | +4.46% |
| Blackrock, Inc. | $83,954.00 | 7.26% | 4.21M | -690,735 | -14.09% | 2025-03-31 |
| Vanguard Group Inc | $83,734.00 | 7.24% | 4.2M | +67,255 | +1.63% | 2024-12-31 |
| Kerrisdale Advisers, Llc | $38,824.00 | 3.36% | 1.95M | +2M | +550.81% | 2024-12-31 |
| Mitsubishi Ufj Trust & Banking Corp | $29,283.00 | 2.53% | 1.47M | +1M | +2,258.27% | 2024-12-31 |
| Panview Capital Ltd | $27,398.00 | 2.37% | 1.37M | +1M | New | 2024-12-31 |
| State Street Corp | $24,932.00 | 2.16% | 1.25M | +100,543 | +8.74% | 2024-12-31 |
| Pertento Partners Llp | $23,618.00 | 2.04% | 1.19M | +215,744 | +22.26% | 2024-12-31 |
| Geode Capital Management, Llc | $23,614.00 | 2.04% | 1.18M | +4,131 | +0.35% | 2024-12-31 |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Ame | $23,412.00 | 2.03% | 1.17M | +1M | +1,418.47% | 2024-12-31 |
| Panview Asian Equity Master Fund | $23,262.00 | 2.01% | 1.17M | +504,000 | +76% | 2024-09-30 |