South San Francisco, California
Cellares to cut 100 jobs in South San Francisco, California
The affected employees are expected to leave by October 20, 2026, and include software engineering, quality-control, design and manufacturing roles.
Cellares plans to cut 100 jobs in South San Francisco, California, BioPharma Dive reported on August 24, 2026.
Cellares plans to lay off 100 employees after a large pharmaceutical customer ended its manufacturing partnership.
We have recorded 50 layoffs in California so far in 2026.
Not yet known: when the layoffs take effect; exactly which roles are affected. Our sources do not say. If you know more, send us a tip.
Sources
How we verified this
On October 11, 2026 we retrieved the BioPharma Dive news report and confirmed that it names Cellares, gives the figure we report (“100”) and supports the date. The reporting above comes from the sources listed; context about other layoffs comes from our own records. Software, including AI tools, helped find and match the source; read our methodology.
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