Employee Count History - Ultragenyx Pharmaceutical 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 18, 2026 | Dec 31, 2025 | 1,371 | 10-K | +5.95% |
| Feb 19, 2025 | Dec 31, 2024 | 1,294 | 10-K | +1.41% |
| Feb 21, 2024 | Dec 31, 2023 | 1,276 | 10-K | -2.67% |
| Feb 17, 2023 | Dec 31, 2022 | 1,311 | 10-K | +17.16% |
| Feb 15, 2022 | Dec 31, 2021 | 1,119 | 10-K | +25.31% |
| Feb 12, 2021 | Dec 31, 2020 | 893 | 10-K | +20.68% |
Feb 14, 2020 | Dec 31, 2019 | — | — | — |
Feb 20, 2019 | Dec 31, 2018 | — | — | — |
Feb 21, 2018 | Dec 31, 2017 | — | — | — |
Feb 17, 2017 | Dec 31, 2016 | — | — | — |
Feb 26, 2016 | Dec 31, 2015 | — | — | — |
Mar 27, 2015 | Dec 31, 2014 | — | — | — |
Mar 24, 2014 | Dec 31, 2013 | — | — | — |