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Amgen

Closure

WARN notice filed with the Washington State Employment Security Department

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Reported Workers
274
Notice Filed
October 22, 2014
Closure Effective
December 31, 2014

Reading this filing

The listed effective date is 70 calendar days after the filing date. These dates alone do not establish when employees received notice or whether notice requirements were met.

This archive has 1 other current source record under this exact employer name. Filing dates run from May 14, 2009 to October 22, 2014. See the employer's filing history.

No link to an earlier version has been confirmed for this record. Other filings under the same name may describe different actions or overlapping groups of workers.

Source row last captured: October 9, 2026. Editorial review is tracked separately.

How to read a WARN notice

Official Notice Document

Direct document links are not republished because ESD's live download URLs can change after review. Filing facts shown here come from ESD's public WARN record. Search ESD's public WARN database.

More Notices from Amgen

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FiledCountyWorkersType
May 14, 2009Not reported101Layoff

Recent WARN Notices in King County

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About WARN Notices

Washington law generally requires covered employers to provide 60 days' written notice for qualifying closures, mass layoffs, and certain reductions in hours. Thresholds and exceptions apply. Data on this page comes from Washington ESD's public WARN records. Search ESD's public WARN database.