AMPH Buybacks
24 quarter-specific issuer repurchase-cash observations normalized from SEC filings, newest first. A filed zero remains visible; a missing filing fact is never converted into zero. This page shows rows 1–24; provenance stays internal.
| Issuer profile | Period end | Type | Reported cash |
|---|---|---|---|
| Amphastar Pharmaceuticals, Inc. | 2026-03-31 | Reported repurchase cash | $29.49M |
| Amphastar Pharmaceuticals, Inc. | 2025-12-31 | Reported repurchase cash | $20.52M |
| Amphastar Pharmaceuticals, Inc. | 2025-03-31 | Reported repurchase cash | $11M |
| Amphastar Pharmaceuticals, Inc. | 2024-12-31 | Reported repurchase cash | $42M |
| Amphastar Pharmaceuticals, Inc. | 2023-12-31 | Reported repurchase cash | $0.00 |
| Amphastar Pharmaceuticals, Inc. | 2023-03-31 | Reported repurchase cash | $8.02M |
| Amphastar Pharmaceuticals, Inc. | 2022-12-31 | Reported repurchase cash | $18.07M |
| Amphastar Pharmaceuticals, Inc. | 2022-03-31 | Reported repurchase cash | $1.23M |
| Amphastar Pharmaceuticals, Inc. | 2021-12-31 | Reported repurchase cash | $13.44M |
| Amphastar Pharmaceuticals, Inc. | 2021-03-31 | Reported repurchase cash | $3.78M |
| Amphastar Pharmaceuticals, Inc. | 2020-12-31 | Reported repurchase cash | $3.39M |
| Amphastar Pharmaceuticals, Inc. | 2020-03-31 | Reported repurchase cash | $10.95M |
| Amphastar Pharmaceuticals, Inc. | 2019-12-31 | Reported repurchase cash | $13.78M |
| Amphastar Pharmaceuticals, Inc. | 2019-03-31 | Reported repurchase cash | $3.02M |
| Amphastar Pharmaceuticals, Inc. | 2018-12-31 | Reported repurchase cash | $2.61M |
| Amphastar Pharmaceuticals, Inc. | 2018-03-31 | Reported repurchase cash | $7.62M |
| Amphastar Pharmaceuticals, Inc. | 2017-12-31 | Reported repurchase cash | $5.97M |
| Amphastar Pharmaceuticals, Inc. | 2017-03-31 | Reported repurchase cash | $8.2M |
| Amphastar Pharmaceuticals, Inc. | 2016-12-31 | Reported repurchase cash | $922,000.00 |
| Amphastar Pharmaceuticals, Inc. | 2016-03-31 | Reported repurchase cash | $4.72M |
| Amphastar Pharmaceuticals, Inc. | 2015-12-31 | Reported repurchase cash | $4.18M |
| Amphastar Pharmaceuticals, Inc. | 2015-03-31 | Reported repurchase cash | $1.49M |
| Amphastar Pharmaceuticals, Inc. | 2014-12-31 | Reported repurchase cash | -$140,000.00 |
| Amphastar Pharmaceuticals, Inc. | 2013-12-31 | Reported repurchase cash | $184,000.00 |