ACM Research, Inc. 8-K

What Happened ACM Research, Inc. filed a Form 8-K reporting that its operating subsidiary, ACM Research (Shanghai), Inc., completed an inquiry-based share transfer sale of 4,801,648 shares on February 6, 2026. The sale price was RMB 160.00 per share (approximately $23.05 per share). Prior notices were filed on January 30, 2026 (intention to sell) and February 2, 2026 (preliminary pricing). After the sale, the Company’s ownership of ACM Shanghai decreased from 74.84% to 73.72%.

Key Details

• Shares sold: 4,801,648 shares of ACM Research (Shanghai), Inc.
• Price per share: RMB 160.00 (≈ $23.05 per share).
• Aggregate proceeds: RMB 768,263,680 (approximately $110.7 million using the per‑share USD approximation).
• Ownership change: parent stake fell from 74.84% to 73.72% (a 1.12 percentage-point decrease); Results Notice filed with the Shanghai Stock Exchange on Feb 6, 2026.

Why It Matters This filing documents a completed intra-group share transfer that modestly reduces ACM Research’s ownership in its China operating unit. The transaction generates material cash proceeds at the subsidiary level and slightly increases the free float of ACM Shanghai shares; it does not indicate changes in executive leadership or reported operating results. Investors should note the change in ownership percentage and the company’s forward‑looking statement caution included in the 8-K.