US WARN layoff notices › Employers › C › Charles River Laboratories
Official state WARN filings by Charles River Laboratories since 1988, normalized from state labor department sources. Latest notice: 2026-02-02.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2026-02-02 | Maryland | 3600 Cabover Drive Hanover MD 21076 | 20 | 2026-03-23 | Plant Closure |
| 2025-04-02 | Maryland | 15 Wormans Mill Court, Suite 1 Frederick, MD 21701 | 13 | 2025-03-28 | Plant Closure |
| 2025-01-29 | Maryland | 15 Wormans Mill Court, Suite I Frederick, MD 21701 (Maryland PAI site) | 7 | 2025-03-28 | Plant Closure |
| 2025-01-27 | North Carolina | Durham, Durham County | 37 | 2025-10-24 | Closure |
| 2024-11-07 | Illinois | Skokie, 8025 Lamon Ave. | 94 | — | State |
| 2024-08-02 | Maryland | 15 Wormans Mill Court Suite 1 Frederick, MD 21701 | 13 | 2024-09-30 | Mass Layoff - No Recall |
| 2024-03-14 | Maryland | 15 Wormans Mill Court Suite 1 Frederick, MD 21701 | 14 | 2024-05-13 | Plant Closure |
| 2023-08-28 | California | San Mateo County | 55 | 2023-09-19 | Closure Permanent |
| 2019-03-20 | California | San Diego, San Diego County | 24 | 2019-05-20 | Closure Permanent |
| 2017-11-13 | Maryland | 8501 Progress Drive, Frederick, MD 21701 | 57 | — | 1 |
| 2014-07-09 | Maryland | 8501 Progress Drive, Frederick, MD 21701 | 76 | 2014-09-25 | 2 |
Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.
