ACM Research, Inc. (ACMR)

Current Report Filed: 2026-04-27

ACM Research announced preliminary Q1 2026 unaudited revenue and shipment results on April 27, 2026, indicating the company is providing early guidance ahead of formal earnings release.
The filing was signed by CFO Mark McKechnie, suggesting routine financial reporting rather than material business developments or management changes.
This is a preliminary earnings announcement (Item 2.02), which is non-binding and not incorporated by reference into SEC filings, meaning investors should await audited results for final numbers.

Insider Trading Filed: 2026-04-21

Director Charles Pappis exercised 5,000 stock options at $29.18 per share on April 17, 2026, immediately followed by a sale of all 5,000 shares at $52 per share, realizing a $114,100 gain.
The sale was executed under a Rule 10b5-1 trading plan adopted on November 20, 2025, indicating a pre-planned disposition rather than opportunistic selling based on material information.
The significant spread between exercise price ($29.18) and sale price ($52) suggests stock appreciation of 78% since the option grant, reflecting positive market sentiment toward ACMR.
Post-transaction beneficial ownership shows zero Class A Common Stock held directly, indicating this insider reduced equity stake to cash despite holding a director position at the company.

Current Report Filed: 2026-04-17

ACM Research, Inc.'s operating subsidiary ACM Research (Shanghai), Inc. is proposing to issue overseas listed shares and apply for listing on The Stock Exchange of Hong Kong Limited, which could provide additional capital and visibility.
The H Share Listing is subject to various risks and uncertainties, including the process for implementation and whether it will ultimately be executed.
Investors should closely monitor the progress and development of the proposed H Share Listing, as it could have significant implications for ACM Research's future growth and valuation.

Current Report Filed: 2026-03-24

ACM Research, Inc.'s subsidiary, ACM Research (Shanghai), Inc., has announced a proposed profit distribution plan for fiscal year 2025, which includes a cash dividend of RMB 6.233 per 10 shares.
The profit distribution plan is subject to approval by ACM Shanghai's shareholders at the 2026 Annual General Meeting of Shareholders.
The filing contains forward-looking statements about the proposed profit distributions and other risks, which investors should consider.

Current Report Filed: 2026-03-19

ACM Research (Shanghai), Inc., a subsidiary of ACM Research, Inc., has filed a Record of March 2026 Investor Relations Activity with the Shanghai Stock Exchange's Sci-Tech innovation board (STAR Market).
The filing provides transparency into the investor relations activities of ACM Shanghai, which could be of interest to investors in the parent company, ACM Research, Inc.
The filing itself does not appear to contain any material new information about ACM Research, Inc. or its operations, but its disclosure may be viewed as a positive sign of the company's regulatory compliance.

Insider Trading Filed: 2026-03-11

Insider Haiping Dun exercised 5,000 stock options and sold a total of 5,000 shares of ACM Research, Inc. (ACMR) on March 9, 2026, indicating continued confidence in the company.
The sale of shares was executed pursuant to a pre-arranged 10b5-1 trading plan, suggesting the transactions were part of a planned strategy rather than a reaction to new information.
Dun maintains significant indirect beneficial ownership of 855,090 shares, representing a substantial stake in the company, further underscoring his commitment to ACM Research.

Insider Trading Filed: 2026-02-06

The reporting person, David H. Wang, who is the CEO, President, and a Director of ACM Research, Inc. (ACMR), has acquired a significant amount of ACMR shares, both directly and indirectly through various trusts and family members, indicating strong insider confidence in the company's future.
ACMR has granted Wang stock options with performance-based vesting, where a portion of the options have already vested due to the company reaching certain market capitalization milestones, aligning his compensation with long-term shareholder value creation.
The large insider ownership, with Wang and related parties holding over 1 million ACMR shares, suggests a high level of alignment between management and shareholders, which can be a positive signal for investors.

Current Report Filed: 2026-02-06

ACM Research, Inc. sold 4,801,648 shares of its operating subsidiary ACM Research (Shanghai), Inc. at a price of RMB 160.00 (approximately $23.05) per share, reducing its ownership stake from 74.84% to 73.72%.
The share sale was conducted through an inquiry-based transfer plan on the Shanghai Stock Exchange, suggesting potential strategic objectives behind the partial divestment.
The filing discloses potential risks related to the share sale, including judicial freezing, enforcement, and compulsory disposition, which investors should monitor closely.

Current Report Filed: 2026-01-30

ACM Research, Inc. plans to sell approximately 1.34% of its ownership interest in its operating subsidiary ACM Research (Shanghai), Inc. through an inquiry-based transfer plan on the Shanghai Stock Exchange.
The proceeds from the sale of shares will be used for general corporate purposes, indicating potential funding needs or strategic initiatives.
The sale represents a relatively small portion of ACM Shanghai's total outstanding shares, suggesting the company is not significantly reducing its stake in the subsidiary.

Current Report Filed: 2026-01-22

ACM Research updated its revenue outlook for 2025, indicating stronger than expected performance.
The company provided an initial revenue outlook for 2026, suggesting continued growth for the business.
The filing does not mention any material agreements, leadership changes, or other significant events beyond the updated financial guidance.

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