Petersen Floyd F. 4
4 · Amphastar Pharmaceuticals, Inc. · Filed Nov 17, 2025
Insider Transaction Report
Form 4
Petersen Floyd F.
Director
Transactions
- Exercise/Conversion
Common Stock
2025-11-13$16.69/sh+16,679$278,373→ 92,210 total - Sale
Common Stock
2025-11-13$26.49/sh−16,679$441,837→ 75,531 total - Exercise/Conversion
Stock Option (right to buy)
2025-11-13−16,679→ 0 totalExercise: $16.69Exp: 2026-06-07→ Common Stock (16,679 underlying)
Footnotes (2)
- [F1]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.43 to $26.57, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
- [F2]Shares subject to the option are fully vested and immediately exercisable.