| Date Filed | Type | Description |
| 10/11/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 09/27/2023 |
8-K
| Other Events, Financial Statements and Exhibits Interactive Data |
| 09/26/2023 |
8-K
| Changes in Registrant's Certifying Accountant, Financial Statements and Exhibits Interactive Data |
| 08/23/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 08/22/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 08/07/2023 |
8-K
| Quarterly results |
| 07/31/2023 |
8-K
| Quarterly results |
| 07/27/2023 |
8-K
| Changes in Registrant's Certifying Accountant, Financial Statements and Exhibits Interactive Data |
| 07/18/2023 |
SC 13D/A
| Shanghai Science & Technology Venture Capital Co., Ltd. reports a 6.3% stake in ACM Research, Inc. |
| 07/18/2023 |
SC 13G/A
| Shanghai Science & Technology Venture Capital Co., Ltd. reports a 6.3% stake in ACM Research, Inc. |
| 07/05/2023 |
8-K
| Other Events, Financial Statements and Exhibits Interactive Data |
| 07/03/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 06/08/2023 |
8-K
| Other Events, Financial Statements and Exhibits Interactive Data |
| 06/06/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 06/01/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 05/23/2023 |
DEFR14A
| Form DEFR14A - Revised definitive proxy soliciting materials: |
| 05/09/2023 |
10-Q
| Quarterly Report for the period ended March 31, 2023 |
| 05/05/2023 |
8-K
| Quarterly results |
| 05/01/2023 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 05/01/2023 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 04/26/2023 |
8-K
| Quarterly results |
| 04/18/2023 |
8-K
| Quarterly results |
| 02/24/2023 |
8-K
| Quarterly results |
| 02/14/2023 |
SC 13G/A
| Yiheng Capital Management, L.P. reports a 9.7% stake in ACM Research, Inc. |
| 02/13/2023 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 02/09/2023 |
SC 13G/A
| MORGAN STANLEY reports a 0.7% stake in ACM Research, Inc. |
| 02/08/2023 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/06/2023 |
8-K
| Quarterly results |
| 01/30/2023 |
8-K
| Results of Operations and Financial Condition, Financial Statements and Exhibits Interactive Data |
| 01/13/2023 |
8-K
| Other Events, Financial Statements and Exhibits Interactive Data |
| 01/04/2023 |
8-K
| Results of Operations and Financial Condition, Financial Statements and Exhibits Interactive Data |
| 12/09/2022 |
8-K
| Quarterly results |
| 11/08/2022 |
10-Q
| Quarterly Report for the period ended September 30, 2022 |
| 11/04/2022 |
8-K
| Quarterly results |
|