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Amgen Layoffs & WARN Notices — 5,085 Workers Affected

All WARN Act mass layoff and plant closure notices filed by Amgen.

Data updated

21
Total Notices
4,676
Workers Affected
3
States
2009
First Filing
2023
Latest Filing

Data Insights

Industry Breakdown

Workers affected by industry sector

Layoff Types

Workers affected by notice type

Amgen WARN Act Filings

WARN Act layoff notices
CompanyLocationEmployeesNotice DateType
AmgenSan Carlos, CA4Closure
AmgenNewbury Park, CA425Layoff
AmgenThousand Oaks, CA305Layoff
AmgenNewark, CA2Closure
AmgenSan Carlos, CA2Closure
AmgenNewbury Park, CA61Layoff
AmgenThousand Oaks, CA531Layoff
AmgenNewbury Park, CA531Layoff
Bright Horizons-Camp AmgenNewbury Park, CA104Layoff
AmgenCambridge, MA426
AmgenThousand Oaks, CA172Layoff
AmgenThousand Oaks, CA121Layoff
AmgenThousand Oaks, CA494Layoff
AmgenNewbury Park, CA349Layoff
AmgenSeattle, WA274Closure
AmgenThousand Oaks, CA59Layoff
Amgen (Thousand Oaks)Thousand Oaks, CA252
AmgenThousand Oaks, CA68
Amgen(Thousand Oaks)Thousand Oaks, CA157
AmgenThousand Oaks, CA226

Amgen Layoff FAQ

Is Amgen laying off in 2026?
Amgen has no 2026 WARN notices on record. The most recent WARN Act filing was in 2023.
How many layoffs has Amgen had?
Amgen has filed 23 WARN Act notices affecting a total of 5,085 workers across 3 states.
When was Amgen's most recent layoff?
Amgen's most recent WARN Act filing was on 2023-07-17.
What states has Amgen laid off workers in?
Amgen has filed WARN Act notices in: California, Massachusetts, Washington.
What is the WARN Act?
The Worker Adjustment and Retraining Notification (WARN) Act is a federal law that requires employers with 100 or more employees to provide 60 calendar days' advance notice of plant closings and mass layoffs.
How do I get notified about Amgen layoffs?
Subscribe using the form above to receive free daily email alerts whenever new WARN Act notices are filed. You can also set up custom filters and webhooks with a paid API plan at warnfirehose.com/pricing.

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