Welcome to our dedicated page for Acm Research SEC filings (Ticker: ACMR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
ACM Research, Inc. filings document the company’s semiconductor process-equipment business, reported operating results, governance matters, and capital-structure events tied to its U.S.-listed parent company and ACM Research (Shanghai), Inc. Forms 8-K furnish quarterly and annual results releases, preliminary revenue and shipment disclosures, subsidiary public-market announcements, and completed changes in ACM’s ownership interest in ACM Shanghai.
Proxy filings cover annual meeting proposals, including director elections and auditor ratification. The filing record also includes disclosures on ACM Shanghai’s STAR Market listing context, shareholder voting matters, material-event reporting, and related governance and ownership information for the company’s operating structure.
ACM Research Inc — The Vanguard Group filed a Schedule 13G/A (Amendment No. 3) reporting 0 shares and 0% beneficial ownership of ACM Research Inc common stock as disclosed in the amendment.
The filing explains that on January 12, 2026 Vanguard completed an internal realignment and certain subsidiaries or business divisions will report beneficial ownership separately on a disaggregated basis in reliance on SEC Release No. 34-39538. The submission is signed by Vanguard's Head of Global Fund Administration on March 26, 2026.
ACM Research, Inc. reports that its Shanghai subsidiary, ACM Research (Shanghai), Inc., has proposed a 2025 cash dividend of RMB 6.233 per 10 shares (inclusive of tax), subject to approval at its 2026 Annual General Meeting of Shareholders.
Based on 480,164,789 shares outstanding as of December 31, 2025 and after deducting 443,400 repurchased shares, ACM Shanghai plans a total cash dividend of RMB 299,010,341.76, equal to 21.42% of 2025 net profit attributable to shareholders. Including RMB 50,012,340.46 of share repurchases, total cash returns for 2025 would be RMB 349,022,682.22, or 25.00% of net profit. ACM Shanghai notes it continues to invest heavily in R&D and that its proposed payout will not materially affect operating cash flows.
ACM Research, Inc. furnished an English translation of an investor relations call held by its majority-owned subsidiary ACM Research (Shanghai), Inc. on March 10, 2026. Management discussed 2025 performance, technology roadmap, overseas expansion and detailed financial targets for 2026.
ACM Shanghai expects 2026 revenue between RMB 8.2 billion and RMB 8.8 billion, targeting a gross margin of 42% to 48% and R&D spending at 14% to 19% of revenue. The company highlighted growth opportunities in panel-level packaging for AI chips, front-end track tools and PECVD systems.
Management emphasized localization of components, noting full domestic sourcing of non-standard parts and progress on key standard components. They stated that 2025 asset impairment provisions and recent component price movements are not expected to have a material adverse effect on ongoing operations, while reaffirming a constructive multi-year semiconductor industry outlook.
ACM Research, Inc. officer Mark McKechnie exercised stock options and sold the resulting shares. He exercised options covering 98,551 shares of Class A common stock at exercise prices of $13.89 and $19.49 per share, then sold 98,551 shares in open-market transactions at weighted average prices in the mid-$40s. The sales were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on August 27, 2025, indicating the transactions were scheduled in advance rather than timed discretionarily.
ACM Research insider David H. Wang, a director, officer and more than 10% owner, exercised stock options and sold shares of Class A Common Stock. On March 11–12, 2026, he exercised options for a total of 110,000 shares at an exercise price of $1.00 per share.
Over the same two days, Wang executed open-market sales totaling 110,000 shares at weighted average prices ranging from the mid‑$44 to high‑$48 range, under a pre-arranged Rule 10b5‑1 trading plan adopted on November 29, 2024. After these transactions, he held 802,708 shares directly, plus additional indirect holdings through family members and family trusts.
ACM Research, Inc. director Tracy Liu reported an exercise-and-sell transaction involving company stock. On March 10–11, 2026, Liu exercised stock options to acquire a total of 60,000 shares of Class A Common Stock at an exercise price of $1.00 per share. The same 60,000 shares were then sold in open-market transactions at weighted average prices within ranges from $46.67 to $48.50, under a pre-arranged Rule 10b5-1 trading plan adopted on December 4, 2025. After these transactions, Liu directly held 110,772 shares of Class A Common Stock.
Morgan Stanley Smith Barney LLC submitted a Form 144 notice for the proposed sale of 50,000 shares of Common Stock related to a stock option exercise dated 03/12/2026. The filing records the method as cash and lists the transaction in connection with securities traded on NASDAQ.
The notice also discloses a prior sale of 60,000 shares on 03/11/2026 with an aggregate reported value of $2,875,386.00.
ACM Research, Inc. director Haiping Dun exercised stock options for 5,000 shares of Class A Common Stock at $5.60 per share, then sold 5,000 shares in open-market transactions around $43–$44 per share. These sales were made under a pre-arranged Rule 10b5-1 trading plan adopted on August 13, 2025. Following the trades, Dun reported no direct Class A Common Stock holdings, while continuing to hold 55,000 stock options and indirect ownership of 100,000 and 755,090 Class A shares through family trusts.
ACMR affiliate reported a proposed sale of 15,000 common shares under a Form 144. The filing lists the planned sale as a stock option exercise to be effected on 03/11/2026 and indicates cash as the method. The excerpt also shows 45,000 common shares sold on 03/10/2026 for 2,132,248.50 as a recent disposition.