Sera Prognostics, Inc.
Sera Prognostics, Inc. (SERA) 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 · SERA · as of Mar 18, 2026
Latest filing snapshot
Sera Prognostics, Inc. (SERA) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗
SERA 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 |
|---|---|---|---|---|
| 2026-03-18 | 500 | +436 | +681.25% | |
| 2025-03-19 | 64 | +7 | +12.28% | |
| 2024-03-20 | 57 | -32 | -35.96% | |
| 2023-03-22 | 89 | -24 | -21.24% | |
| 2022-03-29 | 113 | — | — |
▸ 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.
Related Companies — Employee Count
Medical - Diagnostics & Research
About SERA employees
SERA Employees · Headcount
Sera Prognostics, Inc. (SERA) employee data is sourced from the annual SEC 10-K filing. As of 2025, Sera Prognostics, Inc. had 500 full-time employees globally. Full-time employees only. Global consolidated headcount.
Sera Prognostics, Inc. employs 500 full-time employees as of the latest filing within the Medical - Diagnostics & Research industry. Revenue per employee stands at $162, reflecting the company's operational efficiency.
Sera Prognostics, Inc.'s workforce increased by 436 (681.25%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.
Sera Prognostics, Inc.'s revenue per employee of $162 positions it among the notable performers in the Medical - Diagnostics & Research sector for operational efficiency.
Frequently Asked Questions
SERA Employees · 5 questionsAs of the latest SEC 10-K filing (2025), Sera Prognostics, Inc. had 500 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 2026-03-18