Layoffs at Arsenal Biosciences
- Layoff events
- 2
- verified and sourced
- Roles reported
- At least 99
- events with no figure are not in this number
- Announced between
- Sep 2025 to Aug 2026
- Reported by
- Arsenal Biosciences and Fierce Biotech
This page records what we could verify and source. It is not a complete record of every job cut at Arsenal Biosciences: a layoff nobody published and nobody sent us is a layoff that is not on this page.
| Company | What happened | Roles reported | Share of staff | Where | Announced | Sources |
|---|---|---|---|---|---|---|
| Arsenal Biosciences |
Restructuring
Arsenal Biosciences announced a strategic pivot toward in vivo CAR-T and laid off 99 employees across teams, functions and locations. |
99 | Not known | South San Francisco, United States | ||
| Arsenal Biosciences |
Restructuring
Arsenal Biosciences confirmed an approximately 50% workforce reduction as it restructured around its clinical-stage cell-therapy programs. |
Not known | 50% | South San Francisco, United States |
1 source for Arsenal Biosciences |
Where this comes from
Every cut listed for Arsenal Biosciences was entered by a person who checked it against a filing or a named report. Nothing is scraped and nothing publishes itself. What is not here is what we have not verified, not what did not happen.
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