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’s wafer-cleaning and advanced-packaging systems sit at the heart of today’s most intricate chip fabs—yet the disclosures that explain how those tools drive revenue and margins stretch well past 200 pages. Finding segment sales to Chinese foundries, understanding megasonic R&D spend, or monitoring insider sales after export-control headlines can feel overwhelming. That’s why investors searching for “ACM Research SEC filings explained simply” start here.
Stock Titan applies AI-powered parsing to every document the moment it hits EDGAR. Whether you need the full ACM Research quarterly earnings report 10-Q filing, a line-by-line breakdown of the ACM Research annual report 10-K simplified, or ACM Research 8-K material events explained, our platform converts technical language into concise, decision-ready insights. Real-time alerts surface ACM Research Form 4 insider transactions, while side-by-side charts compare backlog, gross margin and regional revenue across periods—saving hours of manual cross-referencing.
Use cases are practical: track ACM Research executive stock transactions Form 4 before earnings, study wafer-cleaning tool demand swings through our ACM Research earnings report filing analysis, or verify board pay packages in the ACM Research proxy statement executive compensation section. All filing types—10-K, 10-Q, 8-K, S-8, Form 4—are covered with comprehensive, time-stamped updates. From megasonic-cleaning capacity additions to advanced-packaging revenue outlook, understanding ACM Research SEC documents with AI has never been easier.
BlackRock, Inc. reported beneficial ownership of 7,420,308 shares of ACM Research, Inc. Class A stock, representing 12.6% of the class. The report, filed as a Schedule 13G/A and signed on 10/02/2025, discloses sole voting power over 7,296,615 shares and sole dispositive power over 7,420,308 shares as of the 09/30/2025 event date. The filing notes that iShares Core S&P Small-Cap ETF holds more than 5% of ACMR common stock. The Schedule 13G states the shares were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control.
David H. Wang, CEO and Director of ACM Research, Inc. (ACMR), exercised 130,000 vested stock options by net exercise on 09/08/2025 at an exercise price of $1 per share. The filing shows the option was fully vested and the net exercise closed on that date, resulting in 610,002 shares held directly after the transaction. The report also discloses indirect holdings: 100,002 shares held by Jing Chen (his wife), 45,837 by his daughter Sophia Wang, 180,000 by a family trust for his children, and 620,001 by the Wang-Chen Family Living Trust. The Form 4 was signed by an attorney-in-fact on 09/30/2025.
Tracy Liu, a director of ACM Research, Inc. (ACMR), exercised 15,000 fully vested stock options on September 17, 2025, at a $1 exercise price, creating 15,000 shares of Class A common stock. The same day, the reporting person sold 15,000 shares at $33.00 per share pursuant to a Rule 10b5-1 trading plan adopted March 6, 2025. After these transactions, Ms. Liu beneficially owned 110,772 shares of Class A common stock. The Form 4 was signed by an attorney-in-fact on behalf of Ms. Liu on September 19, 2025.
The reporting person, Jian Wang, exercised a fully vested stock option to acquire 30,000 shares of ACM Research Class A common stock at an exercise price of $5.60 per share and concurrently sold 30,000 shares under a Rule 10b5-1 trading plan at $35.00 per share. Following these transactions, the report shows beneficial ownership of 253,158 shares, down from 283,158 shares before the transactions.
The filing states the option was previously issued and fully exercisable and that the sales were effected pursuant to a 10b5-1 plan adopted on May 20, 2025. The form identifies the reporting person as an officer and notes an officer/subsidiary leadership role in ACM Research (Shanghai), Inc.
Insider activity at ACM Research (ACMR): Senior Vice President Sotheara Cheav exercised a stock option on 09/18/2025 to buy 10,000 shares of Class A common stock at an exercise price of $13.89 per share and simultaneously sold 10,000 shares at $35.00 per share under a Rule 10b5-1 trading plan adopted May 15, 2025. Following these transactions the reporting person beneficially owns 100,002 shares and holds options covering 56,250 underlying shares, with a portion of those options vesting through May 2026 and monthly thereafter. The Form 4 was signed on 09/19/2025 by an attorney-in-fact.
ACM Research, Inc. (ACMR) Form 144 notifies the SEC of a proposed sale of 30,000 common shares through Morgan Stanley Smith Barney on 09/18/2025, with an aggregate market value of $1,050,000 and 64,180,965 shares outstanding. The filing states the shares were acquired the same day by stock option exercise and paid in cash. The filer represents no undisclosed material adverse information. The filing also discloses two recent sales by the same person in August 2025: 30,000 shares on 08/22/2025 for $900,012 and 30,000 shares on 08/25/2025 for $960,000.
Form 144 notice for ACM Research, Inc. (ACMR) reports a proposed sale of 10,000 common shares through Morgan Stanley Smith Barney LLC with an aggregate market value of $350,000 and an approximate sale date of 09/18/2025. The shares were acquired on 09/18/2025 by stock option exercise from the issuer and paid for in cash. The filer discloses prior sales by the same person: 11,152 common shares sold on 08/22/2025 for gross proceeds of $334,560. The filing includes the required representation that the seller does not possess undisclosed material adverse information.
Form 144 notice for ACM Research, Inc. (ACMR) reports proposed and recent sales of common stock by an insider. The filer intends to sell 15,000 shares through Morgan Stanley Smith Barney on NASDAQ with an aggregate market value of $495,000 and an approximate sale date of 09/17/2025. The same 15,000 shares are shown as acquired by stock option exercise on 09/17/2025 with payment in cash. The filing also discloses a prior sale of 15,000 common shares by Tracy Dong Liu on 07/15/2025 for $450,000 in gross proceeds. The notice includes the standard representation that the seller certifies they possess no undisclosed material adverse information and a signature attestation regarding accuracy.
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