| SC 13G/A | 2024-02-14 | Yiheng Capital Management, L.P. | ACM Research, Inc. | 5,363,129 | 9.6% | EDGAR |
| SC 13G/A | 2024-02-13 | VANGUARD GROUP INC | ACM Research, Inc. | 4,057,397 | 7.3% | EDGAR |
| SC 13G | 2024-01-26 | BlackRock Inc. | ACM Research, Inc. | 3,725,525 | 6.7% | EDGAR |
| SC 13D/A | 2023-07-18 | Shanghai Science & Technology Venture Capital (Group) Co., Ltd. | ACM Research, Inc. | 3,438,510 | 6.3% | EDGAR |
| SC 13G/A | 2023-07-18 | Shanghai Science & Technology Venture Capital (Group) Co., Ltd. | ACM Research, Inc. | 3,438,510 | 6.3% | EDGAR |
| SC 13D | 2023-06-13 | Shanghai Science & Technology Venture Capital (Group) Co., Ltd. | ACM Research, Inc. | 3,438,510 | 6.3% | EDGAR |
| SC 13G | 2023-06-13 | Shanghai Science & Technology Venture Capital (Group) Co., Ltd. | ACM Research, Inc. | 3,438,510 | 6.3% | EDGAR |
| SC 13G/A | 2023-02-14 | Yiheng Capital Management, L.P. | ACM Research, Inc. | 5,266,800 | 9.7% | EDGAR |
| SC 13G | 2023-02-13 | BlackRock Inc. | ACM Research, Inc. | 3,221,430 | 5.9% | EDGAR |
| SC 13G/A | 2023-02-09 | MORGAN STANLEY | ACM Research, Inc. | 390,606 | 0.7% | EDGAR |
| SC 13G | 2023-02-09 | VANGUARD GROUP INC | ACM Research, Inc. | 2,899,420 | 5.3% | EDGAR |
| SC 13G/A | 2023-02-08 | MORGAN STANLEY | ACM Research, Inc. | 2,773,504 | 5.1% | EDGAR |
| SC 13G | 2022-02-14 | Yiheng Capital Management, L.P. | ACM Research, Inc. | 1,415,100 | 8.2% | EDGAR |
| SC 13G/A | 2022-02-09 | MORGAN STANLEY | ACM Research, Inc. | 1,297,916 | 7.3% | EDGAR |
| SC 13G | 2021-08-19 | MORGAN STANLEY | ACM Research, Inc. | 1,020,758 | 5.8% | EDGAR |
| SC 13G/A | 2021-02-12 | GIC Private Ltd | ACM Research, Inc. | 653,020 | 3.9% | EDGAR |
| SC 13G | 2020-05-22 | GIC Private Ltd | ACM Research, Inc. | 840,815 | 5.2% | EDGAR |