Amphastar Pharmaceuticals, Inc. (AMPH)
Nasdaq: AMPH · CIK 0001297184 · United States
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Amphastar Pharmaceuticals, Inc. documents
- Amphastar Pharmaceuticals, Inc. 10-K 2026AMPH 10-K 2026: annual report for fiscal 2026
- Amphastar Pharmaceuticals, Inc. 10-K 2025AMPH 10-K 2025: annual report for fiscal 2025
- Amphastar Pharmaceuticals, Inc. 10-K 2024AMPH 10-K 2024: annual report for fiscal 2024
- Amphastar Pharmaceuticals, Inc. 10-K 2023AMPH 10-K 2023: annual report for fiscal 2023
- Amphastar Pharmaceuticals, Inc. 10-K 2022AMPH 10-K 2022: annual report for fiscal 2022
- Amphastar Pharmaceuticals, Inc. 10-Q 2026AMPH 10-Q 2026: quarterly report for fiscal 2026
- Amphastar Pharmaceuticals, Inc. 10-Q 2025AMPH 10-Q 2025: quarterly report for fiscal 2025
- Amphastar Pharmaceuticals, Inc. 10-Q 2024AMPH 10-Q 2024: quarterly report for fiscal 2024
- Amphastar Pharmaceuticals, Inc. 10-Q 2023AMPH 10-Q 2023: quarterly report for fiscal 2023
- Amphastar Pharmaceuticals, Inc. 10-Q 2022AMPH 10-Q 2022: quarterly report for fiscal 2022
- Amphastar Pharmaceuticals, Inc. 8-K 2026AMPH 8-K 2026: current report for fiscal 2026
- Amphastar Pharmaceuticals, Inc. 8-K 2025AMPH 8-K 2025: current report for fiscal 2025
- Amphastar Pharmaceuticals, Inc. 8-K 2024AMPH 8-K 2024: current report for fiscal 2024
- Amphastar Pharmaceuticals, Inc. 8-K 2023AMPH 8-K 2023: current report for fiscal 2023
- Amphastar Pharmaceuticals, Inc. 8-K 2022AMPH 8-K 2022: current report for fiscal 2022
- Amphastar Pharmaceuticals, Inc. DEF 14A 2026AMPH DEF 14A 2026: proxy statement for fiscal 2026
- Amphastar Pharmaceuticals, Inc. DEF 14A 2025AMPH DEF 14A 2025: proxy statement for fiscal 2025
- Amphastar Pharmaceuticals, Inc. DEF 14A 2024AMPH DEF 14A 2024: proxy statement for fiscal 2024
- Amphastar Pharmaceuticals, Inc. DEF 14A 2023AMPH DEF 14A 2023: proxy statement for fiscal 2023
- Amphastar Pharmaceuticals, Inc. DEF 14A 2022AMPH DEF 14A 2022: proxy statement for fiscal 2022
- Amphastar Pharmaceuticals, Inc. Form 4 2026AMPH Form 4 2026: insider trading filing for fiscal 2026
- Amphastar Pharmaceuticals, Inc. Form 4 2025AMPH Form 4 2025: insider trading filing for fiscal 2025
- Amphastar Pharmaceuticals, Inc. Form 4 2024AMPH Form 4 2024: insider trading filing for fiscal 2024
- Amphastar Pharmaceuticals, Inc. Form 4 2023AMPH Form 4 2023: insider trading filing for fiscal 2023
- Amphastar Pharmaceuticals, Inc. Form 4 2022AMPH Form 4 2022: insider trading filing for fiscal 2022
- Amphastar Pharmaceuticals, Inc. S-1 2026AMPH S-1 2026: registration statement for fiscal 2026
- Amphastar Pharmaceuticals, Inc. S-1 2025AMPH S-1 2025: registration statement for fiscal 2025
- Amphastar Pharmaceuticals, Inc. S-1 2024AMPH S-1 2024: registration statement for fiscal 2024
- Amphastar Pharmaceuticals, Inc. S-1 2023AMPH S-1 2023: registration statement for fiscal 2023
- Amphastar Pharmaceuticals, Inc. S-1 2022AMPH S-1 2022: registration statement for fiscal 2022
- Amphastar Pharmaceuticals, Inc. 13F 2026AMPH 13F 2026: institutional holdings for fiscal 2026
- Amphastar Pharmaceuticals, Inc. 13F 2025AMPH 13F 2025: institutional holdings for fiscal 2025
- Amphastar Pharmaceuticals, Inc. 13F 2024AMPH 13F 2024: institutional holdings for fiscal 2024
- Amphastar Pharmaceuticals, Inc. 13F 2023AMPH 13F 2023: institutional holdings for fiscal 2023
- Amphastar Pharmaceuticals, Inc. 13F 2022AMPH 13F 2022: institutional holdings for fiscal 2022
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