EMD Serono Research Development Institute Inc filed a WARN notice reporting 20 affected employees at its Billerica, Massachusetts location in October 2026. The layoffs take effect on October 16, 2026, following a notice filed on August 12, 2026.
Filing details
- Affected employees
- 20
- Effective date
- Oct 16, 2026
- Notice date
- Aug 12, 2026
- Location
- Billerica, MA
Filing documents
The official WARN notice filed for EMD Serono Research Development Institute Inc, shown page by page.

