Day One Biopharmaceuticals, Inc.
Day One Biopharmaceuticals, Inc. (DAWN) Number of Employees – History & Annual Headcount
Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.
SEC EDGAR · FMP · DAWN · as of Feb 24, 2026
Latest filing snapshot
Day One Biopharmaceuticals, Inc. (DAWN) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗
DAWN Employee Count
2021 – 2025 · Annual · SEC filingSource: SEC annual filings · Hover bar to view year data · Click to view original filing
Employees History
| Filing Date | Employees | Change (1Y) | Growth (1Y) | SEC filing link |
|---|---|---|---|---|
| 2026-02-24 | 178 | -3 | -1.66% | |
| 2025-02-25 | 181 | +26 | +16.77% | |
| 2024-02-26 | 155 | +34 | +28.10% | |
| 2023-03-06 | 121 | +66 | +120.00% | |
| 2022-03-07 | 55 | — | — |
▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.
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About DAWN employees
DAWN Employees · Headcount
Day One Biopharmaceuticals, Inc. (DAWN) employee data is sourced from the annual SEC 10-K filing. As of 2025, Day One Biopharmaceuticals, Inc. had 178 full-time employees globally. Full-time employees only. Global consolidated headcount.
Day One Biopharmaceuticals, Inc. employs 178 full-time employees as of the latest filing within the Biotechnology industry. Revenue per employee stands at $888,663, reflecting the company's operational efficiency.
Day One Biopharmaceuticals, Inc.'s workforce decreased by 3 (1.66%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.
Day One Biopharmaceuticals, Inc.'s revenue per employee of $888,663 positions it among the notable performers in the Biotechnology sector for operational efficiency.
Frequently Asked Questions
DAWN Employees · 5 questionsAs of the latest SEC 10-K filing (2025), Day One Biopharmaceuticals, Inc. had 178 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.
▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-24