GSK plc. layoffs 2025: WARN notices & reports
GSK plc.: 2 layoff events on record since Jul 2025, 2 state WARN filings in CA, MA naming 158 workers. Latest: Sep 29, 2025. Every event links to its source.
2events on record
2WARN filings
158workers in WARN filings
Sep 29, 2025latest event
States with WARN filings: California, Massachusetts.
Latest GSK plc. layoff events
| Date | Event | Where | Workers | Source |
|---|---|---|---|---|
| Sep 29, 2025 | WARNWARN notice, layoffs from Sep 29, 2025 | CA | 8 | California Employment Development Department |
| Jul 16, 2025 | WARNWARN notice, layoffs from Oct 4, 2025 | Cambridge, MA | 150 | Massachusetts Executive Office of Labor and Workforce Development |
About this data
WARN notices are filed by employers with state workforce agencies, usually 60 days before a mass layoff or plant closing. Counts are as reported in the notice and can change if the employer amends it. See methodology for how records are matched to companies.
Other recent WARN filings in California
- DLVR Sep 30, 2026
- Workday Sep 29, 2026
- Constellis, LLC Sep 29, 2026
- Covenant Aviation Security, LLC Sep 28, 2026
- McKinley Paper and Packaging Company Sep 28, 2026
- Corteva Agriscience LLC Sep 28, 2026