| 4 | Statement of changes in beneficial owner... | Acm Research, Inc. | Broadridge Financial Solutions, Inc. /fa | 06/05/2026 | |
| 4 | Statement of changes in beneficial owner... | Cheav Sotheara | | 06/05/2026 | |
| 4 | Statement of changes in beneficial owner... | Acm Research, Inc. | Broadridge Financial Solutions, Inc. /fa | 09/19/2025 | |
| 4 | Statement of changes in beneficial owner... | Cheav Sotheara | Broadridge Financial Solutions, Inc. /fa | 09/19/2025 | |
| 144 | Filing for proposed sale of securities u... | Acm Research, Inc. | Morgan Stanley Smith Barney Llc Executive Services /fa | 09/18/2025 | |
| 144 | Filing for proposed sale of securities u... | Cheav Sotheara | Morgan Stanley Smith Barney Llc Executive Services /fa | 09/18/2025 | |
| 4 | Statement of changes in beneficial owner... | Acm Research, Inc. | Broadridge Financial Solutions, Inc. /fa | 08/26/2025 | |
| 4 | Statement of changes in beneficial owner... | Cheav Sotheara | Broadridge Financial Solutions, Inc. /fa | 08/26/2025 | |
| 144 | Filing for proposed sale of securities u... | Acm Research, Inc. | Morgan Stanley Smith Barney Llc Executive Services /fa | 08/22/2025 | |
| 144 | Filing for proposed sale of securities u... | Cheav Sotheara | Morgan Stanley Smith Barney Llc Executive Services /fa | 08/22/2025 | |
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