Layoff Atlas
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US WARN intelligence

Amgen layoffs & WARN notices

Amgen appears in 13 non-cancelled imported WARN records across 2 states. These records report 3,370 affected workers; 0 have future effective dates. Totals include imported records only. Secondary records are attributed separately.

What the official notice history shows

During the last 365 days, this imported archive contains 0 eligible official filings for Amgen. Worker counts are unavailable for this period. 0 worker counts are unavailable. The newest official notice date is Jun 13, 2023.

13 non-cancelled direct government records and 0 attributed secondary records appear in the full archive. These figures describe notices, not unique people or completed layoffs. Grouped company names do not establish ownership.

Compare original weekly and monthly official-data reports → · How dates, names and counts are interpreted

13Non-cancelled notices
3,370Reported workers
0Future effective dates
Coverage is limited to connected sources and imported date ranges. 0 notices have unavailable worker counts. Company groups match normalized names; aliases below preserve exact employer names from filings. Methodology →

State breakdown

StateNoticesReported workersUpcoming events
California112,9950
Washington23750
California →Suite 600 San Carlos →San Mateo County →Ventura County →Alameda County →Newbury Park →Thousand Oaks →Washington →Seattle →Bothell →

Reported employer names

Notice history by year

20233 notices · 734 reported workers
20221 notices · 2 reported workers
20213 notices · 1,123 reported workers
20191 notices · 172 reported workers
20172 notices · 615 reported workers
20142 notices · 623 reported workers
20091 notices · 101 reported workers

Filings and attributed reports

Company / locationWorkersEffective dateNotice dateType / source
AmgenSuite 600 San Carlos, CA4Sep 1, 2023Jun 13, 2023closureSource ↗
AmgenVentura, CA425May 26, 2023Mar 16, 2023layoffSource ↗
AmgenVentura, CA305Mar 31, 2023Jan 24, 2023layoffSource ↗
AmgenAlameda, CA2Dec 2, 2022Jun 15, 2022closureSource ↗
AmgenNewbury Park, CA61Jul 9, 2021May 5, 2021layoffSource ↗
AmgenThousand Oaks, CA531Apr 2, 2021Jan 28, 2021layoffSource ↗
AmgenNewbury Park, CA531Apr 2, 2021Jan 28, 2021layoffSource ↗
AmgenThousand Oaks, CA172Dec 31, 2019Oct 29, 2019layoffSource ↗
AmgenThousand Oaks, CA121Dec 31, 2017Nov 1, 2017layoffSource ↗
AmgenThousand Oaks, CA494Jun 16, 2017Apr 11, 2017layoffSource ↗
AmgenNewbury Park, CA349Dec 22, 2014Oct 22, 2014layoffSource ↗
AmgenSeattle, WA274Dec 31, 2014Oct 22, 2014closureSource ↗
AmgenBothell, WA101Jul 13, 2009May 14, 2009layoffSource ↗

13 notices · Source check Oct 8, 2026