Charles River Laboratories Layoffs

Name: Charles River Laboratories WARN Act Layoff Notices
Creator: LaborCurrent
License: https://creativecommons.org/publicdomain/zero/1.0/

All WARN Act mass layoff and plant closure notices filed by Charles River Laboratories.

Data updated 2026-03-25

Total Notices

861

Workers Affected

States

2014

First Filing

2026

Latest Filing

Data Insights

Industry Breakdown

Workers affected by industry sector

Layoff Types

Workers affected by notice type

Charles River Laboratories WARN Act Filings

WARN Act layoff notices
Company	Location	Employees	Notice Date	Type	Source
Charles River Laboratories	Wilmington, MA	71	2026-03-25		Agency WARN listing
Charles River Laboratories	Wilmington, MA	71	2026-02-19		Agency WARN listing
Charles River Laboratories	Hanover, MD	20	2026-02-02	Closure	Source document
Charles River Laboratories	Wilmington, MA	71	2025-12-16		Agency WARN listing
Charles River Laboratories	Wilmington, MA	68	2025-11-10		Agency WARN listing
Charles River Laboratories	Frederick, MD	13	2025-03-28	Closure	Agency WARN listing
Charles River Laboratories	Frederick, MD	7	2025-01-29	Closure	Source document
Charles River Laboratories	Durham, NC	31	2025-01-28	Closure	Agency WARN listing
Charles River Laboratories	Durham, NC	37	2025-01-27	Layoff	Agency WARN listing
Charles River Laboratories	Skokie, IL	94	2024-11-06	Closure	Agency WARN listing
Charles River Laboratories	Frederick, MD	13	2024-08-02	Layoff	Agency WARN listing
Charles River Laboratories	Frederick, MD	14	2024-03-14	Closure	Agency WARN listing
Charles River Laboratories	South San Francisco, CA	55	2023-08-28	Closure	Agency WARN listing
Charles River Laboratories	South San Francisco, CA	55	2023-07-19	Closure	Source document
Charles River Laboratories	San Diego, CA	24	2019-03-20	Closure	Agency WARN listing
Charles River Laboratories	Frederick, MD	57	2017-11-13		Agency WARN listing
Charles River Laboratories	Frederick, MD	76	2014-07-09	Layoff	Agency WARN listing
Charles River Laboratories	Portage, MI	84	2014-02-07	Closure	Agency WARN listing

Charles River Laboratories Layoff FAQ

Is Charles River Laboratories laying off in 2026?

Yes. Charles River Laboratories has filed 3 WARN Act notices in 2026 affecting 162 workers. See the filings table above for locations and dates.

How many layoffs has Charles River Laboratories had?

Charles River Laboratories has filed 18 WARN Act notices affecting a total of 861 workers across 6 states.

When was Charles River Laboratories's most recent layoff?

Charles River Laboratories's most recent WARN Act filing was on 2026-03-25.

What states has Charles River Laboratories laid off workers in?

Charles River Laboratories has filed WARN Act notices in: California, Illinois, Massachusetts, Maryland, Michigan, North Carolina.

What is the WARN Act?

The Worker Adjustment and Retraining Notification (WARN) Act is a federal law that requires employers with 100 or more employees to provide 60 calendar days' advance notice of plant closings and mass layoffs.

How do I get notified about Charles River Laboratories layoffs?

Subscribe using the form above to receive free daily email alerts whenever new WARN Act notices are filed. You can also set up custom filters and webhooks with a paid API plan at laborcurrent.com/pricing.

Latest Layoff Reports

November 2026 report October 2026 report September 2026 report

SEC Filings & Hiring Signals

Cross-dataset signals for Charles River Laboratories: SEC 8-K event filings and H-1B labor condition applications shown alongside the WARN notices above. They are linked to this employer by matching its name (or an SEC ticker or CIK we assign to it) — the link is an algorithmic estimate, not verified by the SEC, the Department of Labor or any state agency, and the filings are not restricted to the same period as the notices. Matching rules: methodology.

Filed 2026-09-24

Filed 2026-08-05

Filed 2026-05-11

Filed 2026-05-07

Filed 2026-02-25

185 H-1B LCA petitions filed (FY2010–FY2026) — check H-1B layoff risk →