Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Floyd F. Petersen currently holds 71,368 shares of Amphastar Pharmaceuticals, Inc. (AMPH), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Floyd F. Petersen has been a net seller of AMPH stock. They have purchased $33.1K and sold $4.7M worth of shares.
Floyd F. Petersen's most recent insider trade was on Dec 12, 2025, when they sold 2,426 shares at $25.92 per share.
Floyd F. Petersen serves as Executive at Amphastar Pharmaceuticals, Inc. (AMPH). They have executed 100 insider transactions totaling $4.8M over their tenure at the company.
Floyd F. Petersen holds the position of Executive at Amphastar Pharmaceuticals, Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 12 years and currently hold a stake valued at $0.
Floyd F. Petersen has shown a selling trading pattern, with $33.1K in total purchases and $4.7M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Floyd F. Petersen was on Nov 13, 2025, when they sold $441.8K worth of AMPH shares. This transaction involved 16,679 shares at $26.49 per share.
Floyd F. Petersen currently owns 71,368 shares of Amphastar Pharmaceuticals, Inc. (AMPH), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Floyd F. Petersen's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Floyd F. Petersen has 100 Form 4 filings on record as an insider at Amphastar Pharmaceuticals, Inc..
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