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REPORTED · WARN NOTICE✓ VERIFIEDAdded Jul 27, 2026

Amgen Inc. Layoff — September 2023

SOURCEOFFICIAL FILINGCalifornia Employment Development Department· filed June 13, 2023View the filing ↗

EMPLOYEES AFFECTED
4
EFFECTIVE DATE
Sep 1, 2023
4 OF 26,700 EMPLOYEES

What we know

Location: San Carlos, CA (San Mateo County).

A WARN notice for this layoff is recorded on June 13, 2023.

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

Summary

Amgen Inc. disclosed this layoff in an official WARN (Worker Adjustment and Retraining Notification) notice recorded by the CA state workforce agency on June 13, 2023. The notice covers 4 employees in San Carlos, CA (San Mateo County), with the layoff effective September 1, 2023.

LayoffTalk has tracked 5 layoff events at Amgen Inc. since December 2022, including 736 jobs documented in official WARN filings, with 1 additional event known from news reporting.

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SOURCE
Official WARN notice
View state filing ↗
A
Amgen Inc.AMGN
Health Care · 26,700 employees
5
EVENTS TRACKED
736
JOBS IN WARN FILINGS
View company profile

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CREATED JUL 27, 2026LAST UPDATED AUG 11, 2026