AMPH
Amphastar Pharmaceuticals, Inc.Company with tickers: AMPH
CIK
1297184
CUSIP
03209R103
Shares Outstanding
44,092,919
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
| Type | Filing Date | Period | Action |
|---|---|---|---|
| 8-K | 2026-05-07 | — | View |
| 10-Q | 2026-05-07 | 2026-03-31 | View |
| 8-K | 2026-03-16 | 2026-03-12 | View |
| 8-K | 2026-03-06 | 2026-03-03 | View |
| 8-K | 2026-02-26 | — | View |
| 10-K | 2026-02-26 | 2025-12-31 | View |
| 8-K | 2026-01-12 | 2026-01-06 | View |
| 10-Q | 2025-11-06 | 2025-09-30 | View |
| 8-K | 2025-11-06 | — | View |
| 8-K | 2025-10-24 | 2025-10-21 | View |
| 8-K | 2025-09-18 | 2025-09-15 | View |
| 8-K | 2025-08-12 | 2025-08-08 | View |
| 10-Q | 2025-08-07 | 2025-06-30 | View |
| 8-K | 2025-08-07 | — | View |
| 8-K | 2025-07-21 | 2025-07-18 | View |
| 8-K | 2025-06-04 | 2025-06-02 | View |
| 10-Q | 2025-05-08 | 2025-03-31 | View |
| 8-K | 2025-05-07 | — | View |
| 10-K | 2025-03-03 | 2024-12-31 | View |
| 8-K | 2025-02-27 | — | View |
| 10-Q | 2024-11-07 | 2024-09-30 | View |
| 8-K | 2024-11-06 | — | View |
| 8-K | 2024-08-30 | 2024-08-28 | View |
| 10-Q | 2024-08-09 | 2024-06-30 | View |
| 8-K | 2024-08-07 | — | View |
| 8-K | 2024-06-04 | 2024-06-03 | View |
| 10-Q | 2024-05-10 | 2024-03-31 | View |
| 8-K | 2024-05-08 | — | View |
| 10-K | 2024-02-29 | 2023-12-31 | View |
| 8-K | 2024-02-28 | — | View |
| 10-Q | 2023-11-08 | 2023-09-30 | View |
| 8-K | 2023-11-08 | — | View |
| 8-K | 2023-09-15 | 2023-09-11 | View |
| 8-K/A | 2023-08-16 | 2023-06-30 | View |
| 10-Q | 2023-08-09 | 2023-06-30 | View |
| 8-K | 2023-08-08 | — | View |
| 8-K | 2023-06-30 | — | View |
| 8-K | 2023-06-06 | 2023-06-05 | View |
| 10-Q | 2023-05-09 | 2023-03-31 | View |
| 8-K | 2023-05-09 | — | View |
| 8-K | 2023-04-24 | 2023-04-21 | View |
| 8-K | 2023-03-10 | 2023-03-08 | View |
| 10-K | 2023-03-01 | 2022-12-31 | View |
| 8-K | 2023-02-28 | — | View |
| 8-K | 2023-02-24 | 2023-02-23 | View |
| 8-K | 2022-11-18 | 2022-11-15 | View |
| 10-Q | 2022-11-08 | 2022-09-30 | View |
| 8-K | 2022-11-07 | — | View |
| 10-Q | 2022-08-09 | 2022-06-30 | View |
| 8-K | 2022-08-09 | 2022-08-04 | View |
| 8-K | 2022-08-08 | — | View |
| 8-K | 2022-07-08 | 2022-07-05 | View |
| 8-K | 2022-06-13 | 2022-06-10 | View |
| 10-Q | 2022-05-10 | 2022-03-31 | View |
| 8-K | 2022-05-09 | — | View |
| 8-K | 2022-04-22 | 2022-04-19 | View |
| 10-K | 2022-03-11 | 2021-12-31 | View |
| 8-K | 2022-03-10 | — | View |
| 10-Q | 2021-11-09 | 2021-09-30 | View |
| 8-K | 2021-11-08 | — | View |
| 8-K | 2021-08-23 | 2021-08-19 | View |
| 8-K | 2021-08-20 | 2021-08-19 | View |
| 8-K | 2021-08-10 | 2021-08-05 | View |
| 8-K | 2021-08-09 | 2021-08-04 | View |
| 8-K | 2021-08-09 | — | View |
| 10-Q | 2021-08-09 | 2021-06-30 | View |
| 8-K | 2021-06-08 | 2021-06-07 | View |
| 10-Q | 2021-05-07 | 2021-03-31 | View |
| 8-K | 2021-05-07 | 2021-05-06 | View |
| 8-K | 2021-05-06 | — | View |
| 10-K | 2021-03-15 | 2020-12-31 | View |
| 8-K | 2021-03-15 | — | View |
| 8-K | 2021-01-12 | — | View |
| 10-Q | 2020-11-06 | 2020-09-30 | View |
| 8-K | 2020-11-06 | 2020-11-03 | View |
| 8-K | 2020-11-06 | — | View |
| 8-K/A | 2020-08-10 | 2020-06-08 | View |
| 10-Q | 2020-08-07 | 2020-06-30 | View |
| 8-K | 2020-08-06 | — | View |
| 8-K | 2020-06-09 | 2020-06-08 | View |
| 10-Q | 2020-05-11 | 2020-03-31 | View |
| 8-K | 2020-05-07 | — | View |
| 8-K/A | 2020-04-14 | 2020-04-10 | View |
| 8-K | 2020-04-13 | — | View |
| 10-K | 2020-03-16 | 2019-12-31 | View |
| 8-K | 2020-03-12 | — | View |