Amphastar Pharmaceuticals, Inc. (AMPH) earnings
AMPH earnings moved a median of -0.27% by the close. Quarterly and annual AMPH reports and results, each read against the price at its own news timestamp. Back to the AMPH overview →
24 measured AMPH earnings events.
Where these AMPH earnings landedvs 23 measured AMPH earnings reactions
| Middle 50% of AMPH earnings reactions | -1.63% to +1.57% |
|---|---|
| Median reaction (to close) | -0.27% |
| Measured reactions | 23 |
Point-in-time · zero look-ahead
Half of the 23 AMPH earnings events with a measured close landed between -1.63% and +1.57%; 39% closed up.
| Date | Headline | Event | 5-min | To close |
|---|---|---|---|---|
| Form 10-Q Amphastar Pharmaceutical For: Jun 30 | SEC filing · Form 10-Q | -6.98% | -7.56% | |
| Amphastar Pharmaceuticals to Release Second Quarter Earnings and Hold Conference Call on August 6, 2026 | Press release | +0.52% | +1.68% | |
| Form 10-Q Amphastar Pharmaceutical For: Mar 31 | SEC filing · Form 10-Q | -0.48% | +2.10% | |
| Amphastar Pharmaceuticals to Release First Quarter Earnings and Hold Conference Call on May 7, 2026 | Press release | +0.32% | +1.53% | |
| Form 10-K Amphastar Pharmaceutical For: Dec 31 | SEC filing · Form 10-K | -1.60% | -9.85% | |
| Amphastar Pharmaceuticals to Release Fourth Quarter Earnings and Hold Conference Call on February 26, 2026 | Press release | -0.39% | -0.17% | |
| Form 10-Q Amphastar Pharmaceutical For: Sep 30 | SEC filing · Form 10-Q | -4.89% | -8.11% | |
| Amphastar Pharmaceuticals to Release Third Quarter Earnings and Hold Conference Call on November 6th, 2025 | Press release | +0.31% | -1.40% | |
| Form 10-Q Amphastar Pharmaceutical For: Jun 30 | SEC filing · Form 10-Q | +4.67% | +7.88% | |
| Amphastar Pharmaceuticals to Release Second Quarter Earnings and Hold Conference Call on August 7th, 2025 | Press release | -2.04% | — | |
| Form 10-Q Amphastar Pharmaceutical For: Mar 31 | SEC filing · Form 10-Q | +0.67% | -1.75% | |
| Amphastar Pharmaceuticals to Release First Quarter Earnings and Hold Conference Call on May 7th, 2025 | Press release | +0.31% | -0.12% | |
| Form 10-K Amphastar Pharmaceutical For: Dec 31 | SEC filing · Form 10-K | +0.37% | +1.51% | |
| Amphastar Pharmaceuticals to Release Fourth Quarter Earnings and Hold Conference Call on February 27, 2025 | Press release | -0.11% | -0.86% | |
| Form 10-Q Amphastar Pharmaceutical For: Sep 30 | SEC filing · Form 10-Q | +0.38% | +4.61% | |
| Amphastar Pharmaceuticals to Release Third Quarter Earnings and Hold Conference Call on November 6, 2024 | Press release | -0.41% | -0.27% | |
| Form 10-Q Amphastar Pharmaceutical For: Jun 30 | SEC filing · Form 10-Q | +0.19% | +0.49% | |
| Amphastar Pharmaceuticals to Release Second Quarter Earnings and Hold Conference Call on August 7, 2024 | Press release | +0.41% | -2.41% | |
| Form 10-Q Amphastar Pharmaceutical For: Mar 31 | SEC filing · Form 10-Q | -0.75% | -0.75% | |
| Amphastar Pharmaceuticals to Release First Quarter Earnings and Hold Conference Call on May 8, 2024 | Press release | -0.48% | +1.62% | |
| Form 10-K Amphastar Pharmaceutical For: Dec 31 | SEC filing · Form 10-K | -1.30% | -1.51% | |
| Amphastar Pharmaceuticals to Release Fourth Quarter Earnings and Hold Conference Call on February 28, 2024 | Press release | -0.20% | -1.75% | |
| Form 10-Q Amphastar Pharmaceutical For: Sep 30 | SEC filing · Form 10-Q | +3.29% | +9.16% | |
| Amphastar Pharmaceuticals to Release Third Quarter Earnings and Hold Conference Call on November 8, 2023 | Press release | -0.02% | -0.66% |
Keep exploring
More AMPH: analyst actions → · SEC filings → · AMPH overview →
Other Healthcare names and their earnings
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| IPSEN SA S/ADR (IPSEY) | 294 | 0.00% | 6% |
| Adicet Bio, Inc. (ACET) | 293 | -0.83% | 36% |
| Merus N.V. - Common Shares (MRUS) | 292 | +0.03% | 54% |
| Trinity Biotech plc - American Depositary Shares (TRIB) | 292 | -0.13% | 44% |
Same sector, same measurement: percent move vs. the price at the news timestamp, read at 30 minutes. Sample sizes differ, so the medians are comparable but the confidence behind them is not. These are each name’s all-news baseline, not its earnings — that is what the link opens.