US WARN intelligence
Charles River Laboratories layoffs & WARN notices
Charles River Laboratories appears in 14 non-cancelled imported WARN records across 6 states. These records report 636 affected workers; 0 have future effective dates. Totals include imported records only. Secondary records are attributed separately.
What the official notice history shows
During the last 365 days, this imported archive contains 3 eligible official filings for Charles River Laboratories, reporting 162 affected workers. 0 worker counts are unavailable. The newest official notice date is Mar 25, 2026.
12 non-cancelled direct government records and 2 attributed secondary records appear in the full archive. Recent official event types: unspecified, closure. These figures describe notices, not unique people or completed layoffs. Grouped company names do not establish ownership.
Compare original weekly and monthly official-data reports → · How dates, names and counts are interpreted
State breakdown
| State | Notices | Reported workers | Upcoming events |
|---|---|---|---|
| California | 2 | 79 | 0 |
| Illinois | 1 | 94 | 0 |
| Massachusetts | 2 | 142 | 0 |
| Maryland | 7 | 200 | 0 |
| Michigan | 1 | 84 | 0 |
| North Carolina | 1 | 37 | 0 |
Reported employer names
- Charles River Laboratories (canonical company name)
- Charles River Laboratories, Inc.
Notice history by year
Filings and attributed reports
| Company / location | Workers | Effective date | Notice date | Type / source |
|---|---|---|---|---|
| Charles River LaboratoriesWilmington, MA | 71 | Apr 24, 2026 | Mar 25, 2026 | UnavailableSource ↗ |
| Charles River LaboratoriesAnne Arundel, MD | 20 | Mar 23, 2026 | Feb 2, 2026 | closureSource ↗ |
| Charles River LaboratoriesWilmington, MA | 71 | Jan 6, 2026 | Dec 16, 2025 | UnavailableSource ↗ |
| Charles River LaboratoriesSuite 1 Frederick, MD | 13 | Mar 28, 2025 | Apr 2, 2025 | closureSource ↗ |
| Charles River LaboratoriesSuite I Frederick, MD | 7 | Mar 28, 2025 | Jan 29, 2025 | closureSource ↗ |
| Charles River LaboratoriesDurham, NC | 37 | Oct 24, 2025 | Jan 27, 2025 | closureSource ↗ |
| Charles River LaboratoriesSkokie, 8025 Lamon Ave. · IL recordSecondary · WARN Feed | 94 | Unavailable | Nov 7, 2024 | UnavailableSource ↗ |
| Charles River LaboratoriesFrederick, MD | 13 | Sep 30, 2024 | Aug 2, 2024 | layoffSource ↗ |
| Charles River LaboratoriesFrederick, MD | 14 | May 13, 2024 | Mar 14, 2024 | closureSource ↗ |
| Charles River LaboratoriesSuite 200 South San Francisco, CA | 55 | Sep 19, 2023 | Jul 19, 2023 | closureSource ↗ |
| Charles River LaboratoriesSan Diego, CA | 24 | May 20, 2019 | Mar 19, 2019 | closureSource ↗ |
| Charles River LaboratoriesFrederick, MD | 57 | Unavailable | Nov 13, 2017 | UnavailableSource ↗ |
| Charles River LaboratoriesFrederick, MD | 76 | Sep 25, 2014 | Jul 9, 2014 | UnavailableSource ↗ |
| Charles River LaboratoriesPortage · MI recordSecondary · WARN Feed | 84 | Unavailable | Feb 7, 2014 | closureSource ↗ |