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. (ACMR) insider Haiping Dun filed a notice to sell common stock under Rule 144. The notice covers a proposed sale of 5,000 shares, expected on 08/18/2026, in connection with a stock option exercise, with brokerage arrangements through Morgan Stanley Smith Barney LLC. The filing also reports that Haiping Dun sold 5,000 shares of ACM Research common stock on 05/19/2026 for total consideration of $331,119.50.
ACM Research, Inc. reported strong growth for the three and six months ended June 30, 2026. Revenue for the quarter was $292,919 (in thousands) versus $215,372 (in thousands) a year earlier, driven by higher sales of ECP, furnace and advanced packaging tools, while single‑wafer cleaning revenue declined. Gross margin was 46.0%, down from 48.5%, and income from operations rose to $49,743 (in thousands).
Net income attributable to ACM Research, Inc. increased to $88,984 (in thousands) for the quarter, with diluted EPS of $1.23, supported by a $69,592 (in thousands) unrealized gain on short‑term investments and $21,097 (in thousands) of income from equity method investments. Cash and cash equivalents reached $969,229 (in thousands), alongside short‑term investments of $105,091 (in thousands), after a $148.4 million registered direct offering and a $110.2 million sale of ACM Shanghai shares. The company generated negative operating cash flow of $35,896 (in thousands) for the first half, reflecting working capital investment, and continues to derive substantially all revenue from customers in mainland China with notable customer concentration and exposure to U.S. and mainland China regulatory regimes.
ACM Research reported strong results for the quarter ended June 30, 2026. Revenue was $292.9 million, up 36.0% year over year, driven mainly by ECP, furnace and other technologies, and advanced packaging, while single-wafer cleaning and Tahoe tools declined. GAAP gross margin was 46.0%, above the mid-point of the company’s long-term 42%–48% target range.
GAAP income from operations rose to $49.7 million, with operating margin of 17.0%. Net income attributable to ACM Research was $89.0 million, and GAAP diluted EPS was $1.23. On a non-GAAP basis, net income attributable to ACM Research was $44.5 million and diluted EPS was $0.61.
Cash and cash equivalents, restricted cash and short-term time deposits totaled $1.36 billion at June 30, 2026, with net cash of $1.0 billion. Total shipments were $281.5 million, up 36.4% year over year. Management raised its 2026 revenue outlook to $1.125–$1.175 billion and is targeting 25%–30% full-year growth while working toward a long-term revenue target of $4 billion.
Vanguard Portfolio Management LLC, together with certain affiliated Vanguard entities, reports beneficial ownership of ACM Research Inc common stock. As of June 30, 2026, Vanguard entities beneficially owned 3,405,116 shares of ACM Research Inc, representing 5.31% of the outstanding common stock.
Vanguard has sole voting power over 55,680 shares and sole dispositive power over 3,405,116 shares, with no shared voting or dispositive power reported. The holdings include securities held by Vanguard funds and other managed accounts over which these entities exercise voting and/or dispositive authority.
Wang David H reported acquisition or exercise transactions in this Form 4 filing.
ACM Research, Inc. reported an insider equity award connected to director and officer David H. Wang. A trust for his daughter, Sophia Wang, received a grant of 6,208 restricted stock units tied to Class A common stock. Each restricted stock unit represents a contingent right to receive one share of ACMR common stock, with the grant value based on a 30-day lookback average fair market value of $51.54 per share. These units vest in four equal annual installments beginning on May 13, 2027. The filing also lists indirect holdings of Class A common stock by several family-related trusts and by Wang’s spouse and daughter.
ACM Research, Inc. furnished an 8-K sharing a June 2026 investor Q&A from its listed subsidiary ACM Research (Shanghai), Inc. The Record notes that newly signed orders at ACM Shanghai rose 65% year-over-year in the first quarter of 2026 and that full-year 2026 revenue guidance is maintained at RMB 8.20–8.80 billion.
Management highlights strong demand for cleaning and electroplating tools, with electroplating systems representing about 30% of newly signed orders year-to-date. They describe how the Lingang mini-line is accelerating R&D, process validation and customer qualification, supporting faster adoption of new products such as PECVD and furnace systems.
The Q&A also outlines a long-term revenue target of USD 4 billion, split between USD 1.6 billion from overseas markets and USD 2.4 billion from mainland China, and indicates that once both Lingang Plants A and B are fully operational, combined annual output value is expected to reach roughly RMB 20 billion.
ACM Research, Inc. reported the results of its 2026 Annual Meeting of Stockholders held on June 10, 2026. Holders of Class A and Class B shares representing 135,814,497 votes, or 84.32% of total voting power, were present in person or by proxy, establishing a strong quorum.
Stockholders elected four directors to serve until the 2027 annual meeting: David H. Wang, Haiping Dun, Tracy Liu, and Charles Pappis. Each nominee received over 117 million votes "for," with broker non-votes reported separately.
Stockholders also ratified the appointment of Ernst & Young Hua Ming LLP as independent auditor for the fiscal year ending December 31, 2026, with 135,717,653 votes for, 40,635 against, and 56,209 abstaining.
ACM Research, Inc. insider activity: Officer Cheav Sotheara reported exercising stock options for 18,750 shares of Class A Common Stock at an exercise price of $13.89 per share and selling 18,750 shares in open-market transactions on June 4–5, 2026.
The sales were executed at reported prices generally in the low-to-mid $80s per share across multiple trades and were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on March 5, 2026. Following these transactions, Sotheara directly holds 100,002 shares of ACM Research Class A Common Stock.
ACM Research, Inc. director and officer David H. Wang reported a mix of open-market sales and option exercises in Class A common stock. On June 3–4, he sold a total of 100,002 shares in multiple open-market transactions, including sales of 1,187 shares at $93.04 and 2,060 shares at $83.86 per share.
Over the same two days, Wang exercised stock options to acquire 100,002 shares of Class A common stock at a $1.00 per share exercise price, with the options fully vested and exercisable. Following these transactions, he holds 802,708 Class A shares directly, along with several indirect positions through family trusts and related accounts. The filing notes that the sales were made under a Rule 10b5-1 trading plan adopted on November 29, 2024, indicating the trades were pre-scheduled rather than discretionary.
ACMR notices a proposed sale of Common Stock via a Form 144 filing. The excerpt lists a Stock Option Exercise with an entry of 5,399 shares dated 06/05/2026 and a reported sale of 13,351 shares on 06/04/2026 for $1,136,821.63.