Charles River Laboratories has filed 6 WARN notices across 3 states, affecting 302 workers. Filings are concentrated in Wilmington, Hanover, and Skokie. All filings involved facility closures. Filing dates range from Nov 6, 2024 through Mar 25, 2026. Charles River Laboratories provided an average of 52 days notice before the effective date of these filings. Wilmington accounts for 93% of affected workers. Filings in the most recent quarter were higher than the prior quarter, with 3 compared to 2.
Type not specified for 83% of filings.
| Location | State | Type | Workers | Effective | Filed |
|---|---|---|---|---|---|
| Wilmington | MA | 71 | 2026-04-24 | 2026-03-25 | |
| Wilmington | MA | 71 | 2026-04-24 | 2026-02-19 | |
| Hanover | MD | Closure | 20 | 2026-03-23 | 2026-02-02 |
| Wilmington | MA | 71 | 2026-01-06 | 2025-12-16 | |
| Wilmington | MA | 68 | 2026-01-06 | 2025-11-10 | |
| Skokie 8025 Lamon Ave. |
IL | 1 | 2025-02-03 | 2024-11-06 |
Charles River Laboratories has an upcoming layoff effective Apr 24, 2026. If you are affected, you remain employed with regular pay and benefits until the effective date. Use this time to prepare: file for unemployment insurance so your claim is ready when your last day arrives, review your COBRA health coverage options, and visit your local America's Job Center for free career counseling and retraining vouchers. Ask about Rapid Response services, which are specifically designed for WARN-affected workers.
Find your state's unemployment insurance program and apply online. You may be eligible before your last day.
Continue your employer health plan for up to 18 months, or compare lower-cost options on the Health Insurance Marketplace.
Employers with 100 or more employees must give 60 days written notice before mass layoffs or plant closings.
Free career counseling, resume help, job search assistance, and retraining programs through CareerOneStop.
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America's Job Centers offer free career counseling, resume help, interview prep, job search assistance, and retraining vouchers for workers affected by WARN Act layoffs. Ask about Rapid Response services.
All data on this site is sourced from official WARN Act filings published by state workforce agencies. Filings are updated regularly but may not reflect same-day submissions. Coverage varies by state.
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