Arsenal Biosciences, Inc. layoffs: WARN notices and dates
Arsenal Biosciences, Inc. has filed 1 WARN notice with the California labor department, naming 58 workers. The most recent was filed Aug 31, 2026.
Notices
| Notice date | Employer | City or county | Workers | Type | Source |
|---|---|---|---|---|---|
| Arsenal Biosciences, Inc.Takes effect Oct 29, 2026 | San Mateo County | 58 | Layoff Permanent | State record |
Local workforce boards
The public workforce boards for each location in these notices. Their American Job Centers offer free help with job search, training and filing for benefits, and some run rapid-response services for workers in a WARN layoff.
NOVA Workforce Development Board
For notices in San Mateo County
What to do if you’re affected
These are the notices Arsenal Biosciences, Inc. filed under the WARN Act, as published by each state. A notice gives the number of workers and dates the employer reported; it does not say why. See the layoff tracker for how notices are collected and what they cover.