Money Tracker Daily

Charles River Laboratories layoffs in Maryland

Charles River Laboratories has filed 5 WARN notices in Maryland since January 2023, covering 67 workers at 4 sites in Frederick County and Anne Arundel County. They came in 5 filing rounds, dated on Mar 14, 2024, Aug 2, 2024, Jan 29, 2025, Apr 2, 2025 and Feb 2, 2026. The latest notice (20 workers) took effect on Mar 23, 2026.

Last updated
Latest notice
Source
Maryland Department of Labor

About this data: figures are collected automatically from Maryland Department of Labor and checked before publication. They are for general information only and are not advice. Confirm with the source before acting. Last verified Oct 16, 2026, 11:00 AM ET. Report an error →

Employer names, worker counts and dates are as listed by the Maryland Department of Labor from WARN notices and may be amended by the filer. Employers who believe a listing is inaccurate can email editor@moneytrackerdaily.com with the company name and notice date.

All Maryland WARN notices · Methodology · Download CSV · Cite this

Summary

WARN notices5
Workers affected67
Closures454 workers; the rest are layoffs
Notice datesMar 2024 – Feb 2026
Largest notice20Charles River Laboratories, Feb 2, 2026

Filed under 2 names: Charles River Laboratories; Charles River Laboratories, Inc.. Each notice below shows the name as filed.

All 5 notices

Newest first. Employer names and worker counts are as filed with the state; each notice links to the state's official listing (Maryland WARN notices), which has no page for a single notice.
Notice dateEmployer (as filed)Local areaSiteWorkersTypeEffective dateSource
Feb 2, 2026Charles River Laboratories, Inc.Anne Arundel3600 Cabover Drive Hanover MD 2107620ClosureMar 23, 2026Listing
Apr 2, 2025Charles River Laboratories, Inc.Frederick15 Wormans Mill Court, Suite 1 Frederick, MD 2170113ClosureMar 28, 2025Listing
Jan 29, 2025Charles River Laboratories, Inc.Frederick15 Wormans Mill Court, Suite I Frederick, MD 21701 (Maryland PAI site)7ClosureMar 28, 2025Listing
Aug 2, 2024Charles River LaboratoriesFrederick15 Wormans Mill Court Suite 1 Frederick, MD 2170113Layoff - No RecallSep 30, 2024Listing
Mar 14, 2024Charles River LaboratoriesFrederick15 Wormans Mill Court Suite 1 Frederick, MD 2170114ClosureMay 13, 2024Listing

By local area

Workers affected, most first.
Local areaNoticesWorkers
Frederick County447
Anne Arundel County120

Methodology

Source
Maryland Department of Labor — WARN notices
What is included
Every Maryland WARN notice we have stored whose employer name matches this employer once site names, addresses and legal suffixes such as "Inc." or "LLC" are set aside, from all years collected, not only the current one. Totals are calculated by us from the notices.
Last updated
Oct 16, 2026, 11:00 AM ET
Download
CSV of the notices on this page
Cite this

Money Tracker Daily, "Charles River Laboratories layoffs in Maryland", updated October 16, 2026, https://moneytrackerdaily.com/trackers/layoffs/maryland/company/charles-river-laboratories. Data: Maryland Department of Labor, WARN notices.

Spotted an error? See our corrections policy or email editor@moneytrackerdaily.com.