Location: South San Francisco, CA (San Mateo County).
A WARN notice was filed on October 21, 2025.
Disclosed through an official WARN filing with the CA state workforce agency.
Alector LLC disclosed this layoff in an official WARN (Worker Adjustment and Retraining Notification) notice filed with the CA state workforce agency on October 21, 2025. The notice covers 75 employees in South San Francisco, CA (San Mateo County), with the layoff effective December 22, 2025.
LayoffTalk has tracked 4 layoff events at Alector LLC since October 2023, affecting a combined 364 employees.
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Alector LLC cut 75 jobs in South San Francisco, CA on December 22, 2025. What did this look like from the inside — which teams, how much notice, what severance was offered? You can post anonymously below.
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