Not according to official filings. There is no WARN layoff notice from Alector in the last 12 months. The most recent was filed Oct 21, 2025 for 75 jobs in South San Francisco, California. WARN covers larger layoffs only, so smaller cuts may not appear.
75 roles affected across 1 filing.
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Canary status: SingingEVIDENCE-BASED · NOT A PREDICTION
2 executive changes disclosed to the SEC
CanaryWhistle's own assessment, computed from the public filings listed on this page. It is a read of hiring and workforce activity, not a statement about Alector's solvency or creditworthiness. Not a credit rating and not financial advice. See our sources and method.
Corporate signalsSEC · PBGC · PRIMARY SOURCES
Material corporate events on record for Alector, beyond the WARN notice, that fill in the wider story of a company under pressure. Each links to its official source. No other layoff tracker connects these.
Oct 14, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-10-14 by Alector, Inc. (ALEC).SEC filing →
Dec 12, 2025Executive ChangeSEC Form 8-K, Item 5.02, filed 2025-12-12 by Alector, Inc. (ALEC).SEC filing →
Oct 21, 2025RestructuringSEC Form 8-K, Item 2.05, filed 2025-10-21 by Alector, Inc. (ALEC).SEC filing →
Oct 21, 2025Executive ChangeSEC Form 8-K, Item 5.02, filed 2025-10-21 by Alector, Inc. (ALEC).SEC filing →
Jun 13, 2025Executive ChangeSEC Form 8-K, Item 5.02, filed 2025-06-13 by Alector, Inc. (ALEC).SEC filing →
Mar 28, 2025Executive ChangeSEC Form 8-K, Item 5.02, filed 2025-03-28 by Alector, Inc. (ALEC).SEC filing →
Mar 10, 2025RestructuringSEC Form 8-K, Item 2.05, filed 2025-03-10 by Alector, Inc. (ALEC).SEC filing →
Nov 25, 2024RestructuringSEC Form 8-K, Item 2.05, filed 2024-11-25 by Alector, Inc. (ALEC).SEC filing →
Filed Oct 21, 2025 (1y ago) · Effective Dec 22, 2025 · official filing →
75
Layoff
Questions
Is Alector laying off employees?
Not according to official filings. There is no WARN layoff notice from Alector in the last 12 months. The most recent was filed Oct 21, 2025 for 75 jobs in South San Francisco, California. WARN covers larger layoffs only, so smaller cuts may not appear.
How many jobs is Alector cutting?
75 jobs across all 1 official WARN filing on record since 2025.
When do the Alector layoffs take effect?
The filing lists an effective date of Dec 22, 2025. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.
Is Alector on a list you care about?
Paste your suppliers, customers or holdings at /monitor and see which of them have filed a layoff that has not happened yet. A WARN notice is filed about 60 days before the jobs go, so those are still ahead of you. Free to check, no account, and we do not store your list.
Watching Alector?
We'll email you if there are further filings, expansions, or new locations affected.