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

Haiping Dun, a director at ACM Research, sold 19,058 shares of Class A Common Stock at an average price of $17.43, as part of a pre-arranged trading plan.

Summary

• Haiping Dun, a director at ACM Research, sold 19,058 shares of Class A Common Stock.
• The sale occurred on November 29, 2024.
• The shares were sold at a weighted average price of $17.43.
• The sale was executed under a Rule 10b5-1 trading plan adopted on May 17, 2023.
• The price range for the sale was between $17.15 and $17.65 per share.
• Following the transaction, Haiping Dun directly owns 755,090 shares of Class A Common Stock.
• Haiping Dun also indirectly owns 100,000 shares through the Dun Family GST Trust.

Sentiment

Score: 5

Explanation: The document is a routine regulatory filing for an insider stock sale under a pre-arranged plan, indicating a neutral sentiment.

Industry Context

This is a routine filing related to insider trading activity. It is common for executives and directors to use 10b5-1 trading plans to avoid accusations of insider trading.

Comparison to Industry Standards

• Form 4 filings are standard practice for reporting insider transactions in publicly traded companies.
• The use of a 10b5-1 trading plan is a common method for corporate insiders to sell shares without raising concerns about insider trading.
• The reported price range and average price are typical for market transactions of this nature.

Stakeholder Impact

• The sale of shares by a director may have a minor impact on shareholder sentiment, but is unlikely to have a significant impact due to the pre-arranged nature of the sale.

Key Dates

Keywords

ACM Research, Haiping Dun, insider trading, Form 4, stock sale, Rule 10b5-1, share transaction, director