ACM Research, Inc. (ACMR) — Insider Trading

AI-Powered SEC Filing Analysis

Latest Insider Trading Filed: 2026-04-21

Key Insights

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.

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Earlier Insider Trading filings

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.

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.

Other reports for ACM Research, Inc.

Current Report

Important Information

AI-generated analysis is for informational purposes only. Always read original SEC filings and consult with qualified professionals before making investment decisions.