Amphastar Pharmaceuticals, Inc.
2019 Q4 - 2025 Q4 (25 filings)
Shares History
History scope: non-option holdings only (PUT/CALL rows excluded).
| All 13F Holders | Filing date | Value ($000s) | % of Holdings | Shares | Reporting period |
|---|---|---|---|---|---|
| 2025 Q4 | 2/18/2026 | 228 | 0.0% | 8,619 | 12/31/2025 |
| 2025 Q3 | 11/14/2025 | 248 | 0.0% | 9,300 | 9/30/2025 |
| 2025 Q2 | 8/15/2025 | 214 | 0.0% | 9,300 | 6/30/2025 |
| 2025 Q1 | 5/13/2025 | 270 | 0.0% | 9,300 | 3/31/2025 |
| 2024 Q4 | 2/13/2025 | 623 | 0.0% | 16,792 | 12/31/2024 |
| 2024 Q3 | 11/14/2024 | 963 | 0.0% | 19,850 | 9/30/2024 |
| 2024 Q2 | 8/13/2024 | 785 | 0.0% | 19,614 | 6/30/2024 |
| 2024 Q1 | 5/14/2024 | 861 | 0.0% | 19,614 | 3/31/2024 |
| 2023 Q4 | 2/14/2024 | 1,264 | 0.0% | 20,441 | 12/31/2023 |
| 2023 Q3 | 11/14/2023 | 985 | 0.0% | 21,424 | 9/30/2023 |
| 2023 Q2 | 8/15/2023 | 1,289 | 0.0% | 22,426 | 6/30/2023 |
| 2023 Q1 | 5/12/2023 | 778 | 0.0% | 20,746 | 3/31/2023 |
| 2022 Q4 | 2/15/2023 | 746 | 0.0% | 26,639 | 12/31/2022 |
| 2022 Q3 | 1/26/2023 | 748 | 0.0% | 26,639 | 9/30/2022 |
| 2022 Q2 | 8/15/2022 | 969 | 0.0% | 27,867 | 6/30/2022 |
| 2022 Q1 | 5/11/2022 | 499 | 0.0% | 13,895 | 3/31/2022 |
| 2021 Q4 | 2/15/2022 | 275 | 0.0% | 11,789 | 12/31/2021 |
| 2021 Q3 | 11/12/2021 | 225 | 0.0% | 11,789 | 9/30/2021 |
| 2021 Q2 | 8/11/2021 | 263 | 0.0% | 13,045 | 6/30/2021 |
| 2021 Q1 | 5/10/2021 | 239 | 0.0% | 13,045 | 3/31/2021 |
| 2020 Q4 | 2/9/2021 | 254 | 0.0% | 12,609 | 12/31/2020 |
| 2020 Q3 | 11/16/2020 | 215 | 0.0% | 11,493 | 9/30/2020 |
| 2020 Q2 | 8/13/2020 | 258 | 0.0% | 11,493 | 6/30/2020 |
| 2020 Q1 | 5/28/2020 | 183 | 0.0% | 12,303 | 3/31/2020 |
| 2019 Q4 | 2/6/2020 | 237 | 0.0% | 12,303 | 12/31/2019 |