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) reported that director, officer, and ten percent owner David H. Wang exercised options to acquire a total of 140,000 shares of Class A Common Stock at an exercise price of $1.00 per share on September 8 and 9, 2026, and sold 140,000 shares of Class A Common Stock in multiple open-market transactions on those same dates under a Rule 10b5-1 trading plan adopted on June 5, 2026.
ACM Research, Inc. (ACMR) is named in a notice under Rule 144 that a security holder, Hui Wang, may sell up to 70,000 shares of its common stock through Morgan Stanley Smith Barney LLC. The shares relate to a stock option exercise for cash dated September 9, 2026, and Hui Wang also reports having sold 70,000 shares of common stock during the prior three months.
ACM Research, Inc. (ACMR) is the issuer for a planned sale of restricted or control securities disclosed in a Rule 144 notice filed for the account of Hui Wang. The notice covers up to 70,000 shares of Common Stock to be sold through Morgan Stanley Smith Barney LLC on NASDAQ.
The shares are associated with a stock option exercise from the issuer and are to be sold for cash, with a stated aggregate value of approximately $5,408,522.00. The intended transaction date listed in the notice is September 8, 2026.
ACM Research, Inc. (ACMR) furnished an English translation of an investor relations record from its operating subsidiary ACM Research (Shanghai), Inc., whose shares trade on the STAR Market of the Shanghai Stock Exchange. The record summarizes an August 14, 2026 earnings conference call.
ACM Shanghai reported that newly signed orders in the first half of 2026 increased by 105% year-over-year, with growth across memory, logic and advanced packaging. Management highlighted strong order momentum in electroplating, cleaning and advanced packaging equipment, including a major technological breakthrough in high-temperature SPM cleaning using a proprietary nozzle that achieved fewer than 15 particles at 15 nm, and expects cumulative shipments of high-temperature single-wafer SPM systems to exceed 20 systems by the end of 2026.
New panel-level electroplating systems support panel sizes of 310 × 310 mm, 510 × 515 mm and 600 × 600 mm, with a 510 × 515 mm production system scheduled for delivery in the first quarter of 2027 and a 310 × 310 mm evaluation system planned for delivery by the end of 2026. ACM Shanghai stated it expects overall gross margin to remain in the 42%–48% range, subject to quarterly product-mix fluctuations, and described ongoing furnace-equipment R&D and customer qualifications. The disclosure is furnished, not filed, under U.S. securities laws.
ACM Research, Inc. (ACMR) reported that director Charles C. Pappis received equity awards on August 12, 2026. He was granted 6,400 stock options with an exercise price of $81.26 per share, expiring on August 11, 2036; these options vest and become exercisable immediately prior to the 2027 annual meeting of stockholders, subject to continued service. He also received 728 restricted stock units, with a reference price of $96.13 per unit based on the average closing price over the 30 trading days before the grant; these RSUs are scheduled to vest immediately prior to the 2027 annual meeting of stockholders, subject to continued service.
ACM Research, Inc. (ACMR) reported that director Tracy Liu received equity compensation awards. On 2026-08-12, Liu was granted stock options for 6,400 shares of Class A common stock at an exercise price of $81.26 per share, expiring on 2036-08-11. These options will vest and become exercisable immediately prior to the 2027 annual meeting of stockholders, subject to continued service through the vesting date.
On the same date, Liu was also granted 728 restricted stock units, each representing one share of Class A common stock. The price per restricted stock unit is based on the average closing market price of $96.13 for the issuer's common stock over the 30 trading days preceding the grant date. These restricted stock units are scheduled to vest immediately prior to the 2027 annual meeting of stockholders, subject to continued service.
ACM Research, Inc. (ACMR) reported that director Haiping Dun received new equity awards. On 2026-08-12, Dun was granted a stock option for 6,400 shares of Class A Common Stock at an exercise price of $81.26 per share, expiring on 2036-08-11. The option will vest and become exercisable immediately prior to the issuer’s 2027 annual stockholders meeting, subject to continued service. Dun also received 728 Restricted Stock Units, with the per-unit value based on the average closing price over the 30 trading days before the grant; these RSUs are scheduled to vest immediately prior to the 2027 annual meeting, subject to continued service.
ACM Research, Inc. (ACMR) reported that Chief Financial Officer and Treasurer Mark McKechnie exercised stock options for a total of 55,199 shares of Class A Common Stock on August 20, 2026, at exercise prices of $19.49 and $13.89 per share, from fully vested options. He then sold 55,199 shares in three transactions at weighted-average prices of $76.34, $77.45, and $77.89 per share, with the sales effected pursuant to a Rule 10b5-1 trading plan adopted on May 21, 2026.
ACM Research, Inc. (ACMR) director Haiping Dun exercised stock options for 5,000 shares of Class A Common Stock at an exercise price of $5.60 per share, from a fully vested option, and on the same date sold 5,000 shares in multiple open-market transactions at weighted average prices between $79.89 and $82.33 pursuant to a Rule 10b5-1 trading plan adopted on August 13, 2025. Following the option exercise, Dun held 45,000 stock options directly and reported indirect holdings of 100,000 shares in the Dun Family GST Trust and 755,090 shares in the Haiping Dun & Chi-Pin H Dun Revocable Trust.
ACM Research, Inc. (ACMR) received a notice that officer Mark A. McKechnie plans to sell ACMR common stock under Rule 144. The filing indicates a proposed sale of up to 55,199 shares of common stock on or about 08/20/2026, following a stock option exercise for cash, through Morgan Stanley Smith Barney LLC.