
Alector, Inc.
Alector, Inc. (ALEC) 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 · ALEC · as of Feb 25, 2026
Latest filing snapshot
Alector, Inc. (ALEC) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗
ALEC Employee Count
2018 – 2025 · Annual · SEC filingSource: SEC annual filings · Hover bar to view year data · Click to view original filing
Employees History
▸ 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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ALEC Employees · Headcount
Alector, Inc. (ALEC) employee data is sourced from the annual SEC 10-K filing. As of 2025, Alector, Inc. had 103 full-time employees globally. Full-time employees only. Global consolidated headcount.
Alector, Inc. employs 103 full-time employees as of the latest filing within the Biotechnology industry. Revenue per employee stands at $204,320, reflecting the company's operational efficiency.
Alector, Inc.'s workforce decreased by 135 (56.72%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.
Alector, Inc.'s revenue per employee of $204,320 positions it among the notable performers in the Biotechnology sector for operational efficiency.
Frequently Asked Questions
ALEC Employees · 5 questionsAs of the latest SEC 10-K filing (2025), Alector, Inc. had 103 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 2026-02-25