LIVE · UPDATED DAILY
REPORTED · WARN NOTICE✓ VERIFIEDAdded Jul 27, 2026

Amgen Inc. Layoff — May 2023

SOURCEOFFICIAL FILINGCalifornia Employment Development Department· filed March 16, 2023View the filing ↗

EMPLOYEES AFFECTED
425
SHARE OF WORKFORCE
~1.6%
EFFECTIVE DATE
May 26, 2023
425 OF 26,700 EMPLOYEES

What we know

Location: Amgen Center Drive Newbury Park, CA (Ventura County).

A WARN notice for this layoff is recorded on March 16, 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 March 16, 2023. The notice covers 425 employees in Amgen Center Drive Newbury Park, CA (Ventura County), with the layoff effective May 26, 2023.

That is roughly 1.6% of the 26,700 people Amgen Inc. employs.

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.

Comments (0)

Anonymous by default. Be kind — people reading this may be going through it right now.

No comments yet. Be the first to share your thoughts.

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

Affected by this?

Share your story anonymously — it helps others reading this feel less alone.

Share your story →
CREATED JUL 27, 2026LAST UPDATED AUG 12, 2026