Item 8.01 Other Events.

The shares of our operating subsidiary ACM Research (Shanghai), Inc., or ACM Shanghai, are listed on the Sci-Tech innovation board, or the STAR Market, of the Shanghai Stock Exchange, or the SSE. In accordance with the SSE's rules governing the STAR Market, ACM Shanghai filed with the SSE a Record of December 2022 Investor Relations Activity, or the Record. The SSE posted the Record to the SSE's website on January 10, 2023. A copy of the Record is included as exhibit 99.01 to this report.

Item 9.01 Financial Statements and Exhibits.





(d) Exhibits.



 Exhibit                                   Description
  99.01*     Record of December 2022 Investor Relations Activity filed by ACM
             Research (Shanghai), Inc. with the Shanghai Stock Exchange on January
             10, 2023

   104       Cover Page Interactive Data File (embedded within the XBRL document)

* Unofficial English translation of original document prepared in Mandarin Chinese.




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