Petersen Floyd F. 4
4 · Amphastar Pharmaceuticals, Inc. · Filed Dec 15, 2025
Insider Transaction Report
Form 4
Petersen Floyd F.
Director
Transactions
- Sale
Common Stock
2025-12-11$25.69/sh−1,737$44,620→ 73,794 total - Sale
Common Stock
2025-12-12$25.92/sh−2,426$62,888→ 71,368 total
Footnotes (1)
- [F1]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.9225 to $25.945, 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.