Short answer
ACM Research, Inc. (ACMR) filed an 8-K current report with the SEC on May 22, 2026 reporting Item 8.01 (Other Events). ACM Shanghai’s May 2026 investor-relations activity record posted on the SSE website on May 19, 2026.
ACM Research, Inc. 8-K event analysis
AI summary of each reported item and its exhibits
Item 8.01 · Other Events
- ACM Shanghai’s May 2026 investor-relations activity record posted on the SSE website on May 19, 2026
- Disclosure reflects STAR Market regulatory compliance by ACM Shanghai, ACM Research’s operating subsidiary
- Exhibit 99.1 contains the substantive investor-relations record for shareholder review
Generated from the filing text and exhibits; verify against the original. What 8-K item codes mean
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