EMD Serono Research & Development Institute, Inc. Layoffs & WARN Notices — WARN Index

EMD Serono Research & Development Institute, Inc.: 4 WARN layoff notices since 2023, affecting 229 workers in 1 state. Latest filing August 12, 2026.

WARN notices filed by EMD Serono Research & Development Institute, Inc.

• EMD Serono Research Development Institute, Inc.: Billerica, MA · 20 workers · August 12, 2026
• EMD Serono Research Development Institute, Inc.: Billerica, MA · 70 workers · July 6, 2026
• EMD Serono Research & Development Institute, Inc.: Billerica, MA · 6 workers · March 23, 2023
• EMD Serono Research & Development Institute, Inc.: Billerica, MA · 133 workers · January 19, 2023

Layoffs in: Massachusetts