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REPORTED · WARN NOTICE✓ VERIFIEDAdded Jul 27, 2026

Charles River Laboratories International, Inc. Layoff — September 2023

SOURCEOFFICIAL FILINGCalifornia Employment Development Department· filed July 19, 2023View the filing ↗

EMPLOYEES AFFECTED
55
SHARE OF WORKFORCE
~0.3%
EFFECTIVE DATE
Sep 19, 2023
55 OF 20,400 EMPLOYEES

What we know

Location: South San Francisco, CA (San Mateo County).

A WARN notice for this layoff is recorded on July 19, 2023.

Disclosed through an official WARN filing with the CA state workforce agency.

Summary

Charles River Laboratories International, Inc. disclosed this layoff in an official WARN (Worker Adjustment and Retraining Notification) notice recorded by the CA state workforce agency on July 19, 2023. The notice covers 55 employees in South San Francisco, CA (San Mateo County), with the layoff effective September 19, 2023.

That is roughly 0.3% of the 20,400 people Charles River Laboratories International, Inc. employs.

LayoffTalk has tracked 16 layoff events at Charles River Laboratories International, Inc. since September 2023, including 288 jobs documented in official WARN filings, with 12 additional events known from news reporting.

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SOURCE
Official WARN notice
View state filing ↗
C
Charles River Laboratories International, Inc.CRL
Health Care · 20,400 employees
16
EVENTS TRACKED
288
JOBS IN WARN FILINGS
View company profile

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CREATED JUL 27, 2026LAST UPDATED AUG 11, 2026