Form 4: ACM Research Director Haiping Dun Sells Shares Under 10b5-1 Trading Plan

Director Haiping Dun of ACM Research, Inc. sold shares of Class A Common Stock on March 14, 2024, under a pre-arranged Rule 10b5-1 trading plan.

Summary

• Haiping Dun, a director at ACM Research, Inc., sold shares of Class A Common Stock on March 14, 2024.
• The sales were executed under a Rule 10b5-1 trading plan adopted on May 17, 2023.
• A total of 15,877 shares were sold at a weighted average price of $27.56, with prices ranging from $27.03 to $27.88.
• An additional 3,557 shares were sold at a weighted average price of $28.34, with prices ranging from $28.11 to $28.53.
• Following these transactions, Haiping Dun beneficially owns 855,090 shares of Class A Common Stock.

Sentiment

Score: 5

Explanation: The sentiment is neutral as the filing simply reports the sale of shares under a pre-arranged trading plan, which is a common practice.

Industry Context

Sales by insiders are a normal part of corporate governance. The use of a 10b5-1 plan suggests the sales were pre-planned and not based on any inside information.

Stakeholder Impact

• The sale of shares by a director could have a minor negative impact on shareholder sentiment, although the existence of a 10b5-1 plan mitigates this concern.

Key Dates