Recent Filings (9)

• Mar 17, 2026Form 4Amphastar Pharmaceuticals, Inc.-1,973 sh
• Mar 11, 2026Form 4Amphastar Pharmaceuticals, Inc.+176,467 sh
• Mar 10, 2026Form 4Amphastar Pharmaceuticals, Inc.-2,146 sh
• Mar 6, 2026Form 4Amphastar Pharmaceuticals, Inc.-1,744 sh
• May 20, 2025Form 4Amphastar Pharmaceuticals, Inc.-273 sh
• Mar 18, 2025Form 4Amphastar Pharmaceuticals, Inc.-4,972 sh
• Mar 12, 2025Form 4Amphastar Pharmaceuticals, Inc.+114,786 sh
• Mar 10, 2025Form 4Amphastar Pharmaceuticals, Inc.-2,141 sh
• Mar 6, 2025Form 4Amphastar Pharmaceuticals, Inc.-5,970 sh