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.
Charles C. Pappis, a director of ACM Research, Inc. (ACMR), was granted a stock option to buy 20,000 shares of Class A common stock at an exercise price of $24.93 per share. The option was granted with an exercise date of 08/12/2025, vests immediately prior to the issuer's 2026 annual meeting subject to continued service, and expires on 08/11/2035. After this transaction, Mr. Pappis beneficially owns 20,000 underlying shares through the option, held directly.
Haiping Dun, a director of ACM Research, Inc. (ACMR), reported acquiring a derivative security on 08/12/2025. The Form 4 shows an acquisition of a stock option covering 20,000 shares of Class A common stock with an exercise price of $24.93 and an expiration date of 08/11/2035. Following the reported transaction, the filing lists 20,000 shares beneficially owned directly by the reporting person.
The filing explains the option "will vest and become exercisable immediately prior to the 2026 annual meeting of stockholders," subject to continued service through the vesting date. The Form 4 was signed by an attorney-in-fact on behalf of Haiping Dun on 08/14/2025.
Tracy Liu, a director of ACM Research, Inc. (ACMR), reported acquiring derivative securities on 08/12/2025. The Form 4 shows an option (exercise price $24.93) to acquire 20,000 shares of Class A common stock, recorded as an acquisition on 08/12/2025 and resulting in beneficial ownership of 20,000 shares. The option "will vest and become exercisable immediately prior to the 2026 annual meeting of stockholders," subject to continued service through the vesting date. The filing was submitted by one reporting person and signed on behalf of Ms. Liu by attorney-in-fact Mark McKechnie on 08/14/2025.
ACM Research (ACMR) filed a Form 4 reporting that subsidiary CFO Lisa Feng exercised 15,000 stock options at $5.60 and immediately sold the same number of Class A shares at $26.00 on 06/24/2025 under a Rule 10b5-1 plan. Cash proceeds totaled roughly $390 k; her beneficial ownership remains 50,001 shares, indicating no net change in holdings.