Employee Count History - Amphastar Pharmaceuticals, Inc.
Historical employee count data from SEC filings.
Workforce Trend Analysis
Employee Count History
SEC Filing History
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| Filing Date | Period | Employee Count | Form Type | YoY Change |
|---|---|---|---|---|
| Feb 26, 2026 | Dec 31, 2025 | 1,976 | 10-K | -2.56% |
| Mar 3, 2025 | Dec 31, 2024 | 2,028 | 10-K | +15.16% |
| Feb 29, 2024 | Dec 31, 2023 | 1,761 | 10-K | +9.04% |
| Mar 1, 2023 | Dec 31, 2022 | 1,615 | 10-K | -8.29% |
| Mar 11, 2022 | Dec 31, 2021 | 1,761 | 10-K | -11.06% |
| Mar 15, 2021 | Dec 31, 2020 | 1,980 | 10-K | -2.32% |
Mar 16, 2020 | Dec 31, 2019 | — | — | — |
Mar 15, 2019 | Dec 31, 2018 | — | — | — |
Mar 14, 2018 | Dec 31, 2017 | — | — | — |
Mar 15, 2017 | Dec 31, 2016 | — | — | — |
Mar 15, 2016 | Dec 31, 2015 | — | — | — |
Mar 26, 2015 | Dec 31, 2014 | — | — | — |