Form 4: Amphastar Pharmaceuticals Director Floyd F. Petersen Sells Shares Under 10b5-1 Plan

Director Floyd F. Petersen sold 500 shares of Amphastar Pharmaceuticals (AMPH) at an average price of $41.6739 on May 1, 2024, under a pre-arranged 10b5-1 trading plan.

Summary

• On May 1, 2024, Floyd F. Petersen, a director of Amphastar Pharmaceuticals, sold 500 shares of the company's common stock.
• The sale was executed at a weighted average price of $41.6739 per share.
• The transactions occurred under a pre-arranged Rule 10b5-1 trading plan adopted on June 13, 2023.
• Following the transaction, Petersen directly owns 78,833 shares of Amphastar Pharmaceuticals.
• The price range for the shares sold was between $41.38 and $42.22.

Sentiment

Score: 5

Explanation: The document simply reports a transaction. It is neither positive nor negative in itself.

Industry Context

Sales by company insiders are a normal part of corporate governance. The fact that the sale was executed under a pre-arranged 10b5-1 trading plan suggests that the transaction was planned well in advance and not based on any recent material non-public information.

Stakeholder Impact

• The sale of shares by a director could be perceived negatively by some shareholders, although the existence of a 10b5-1 plan mitigates this concern.

Key Dates