ACM Research, Inc. 8-K

What Happened
ACM Research, Inc. (ACMR) filed an 8-K (Item 8.01) on April 17, 2026 reporting that its operating subsidiary, ACM Research (Shanghai), Inc. (“ACM Shanghai”), issued an announcement to the Shanghai Stock Exchange proposing to issue overseas‑listed shares and apply for an H‑share listing on The Stock Exchange of Hong Kong Limited (SEHK). The announcement was posted to the SSE’s website on April 17, 2026 and is attached to the 8‑K as Exhibit 99.1 (unofficial English translation included).

Key Details

• Date of announcement and 8‑K filing: April 17, 2026.
• ACM Shanghai is currently listed on the SSE Sci‑Tech Innovation Board (STAR Market).
• ACM Shanghai announced a proposal to issue overseas‑listed shares and apply for an H‑share listing on the SEHK.
• The 8‑K states the announcement is furnished (not “filed”) under SEC rules and contains forward‑looking statements that may not come to pass.

Why It Matters
A proposed H‑share listing is a formal step toward seeking a secondary listing in Hong Kong, which could affect ACM Shanghai’s access to international capital markets and visibility to Hong Kong investors. However, the filing makes clear this is a proposal subject to regulatory approvals and other risks; investors should not assume the listing will occur and should watch for further company disclosures and approvals before drawing conclusions.