COMPANY DOSSIER

Is United BioSource laying off workers?

Not according to official filings. There is no WARN layoff notice from United BioSource in the last 12 months. The most recent was filed Sep 26, 2025 for 123 jobs in Kansas City, Missouri. WARN covers larger layoffs only, so smaller cuts may not appear.

246 roles affected across 2 filings in 2 states.

Canary status: SingingEVIDENCE-BASED · NOT A PREDICTION
No WARN filing or SEC event in the recent window — quiet on the wire right now.
CanaryWhistle's own assessment, computed from the public filings listed on this page. It is a read of hiring and workforce activity, not a statement about United BioSource's solvency or creditworthiness. Not a credit rating and not financial advice. See our sources and method.
◆ NATIONAL FOOTPRINT · 2 states. Each state files its own WARN notice, so small per-state counts are slices of one distributed layoff. Ranked by jobs cut:
Missouri123Kansas123

Filing history

United BioSource has filed 2 WARN notices in 2025, cutting 246 jobs in total. No new filings in the last 12 months. The most recent was Sep 26, 2025.

246
2025

Every filing

Kansas City, Missouri
Filed Sep 26, 2025 (1y ago) · Effective Nov 26, 2025 · official filing →
123
Closure
Overland Park, Kansas
Filed Sep 26, 2025 (1y ago) · Effective · · official filing →
123
Layoff

Questions

Is United BioSource laying off employees?

Not according to official filings. There is no WARN layoff notice from United BioSource in the last 12 months. The most recent was filed Sep 26, 2025 for 123 jobs in Kansas City, Missouri. WARN covers larger layoffs only, so smaller cuts may not appear.

How many jobs is United BioSource cutting?

246 jobs across all 2 official WARN filings on record since 2025, in 2 states.

When do the United BioSource layoffs take effect?

The most recent filing lists an effective date of Nov 26, 2025. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.

Watching United BioSource?

We'll email you if there are further filings, expansions, or new locations affected.

Explore related layoff data

All Other layoffsMissouri layoffsKansas layoffs

Other other employers cutting jobs

Boeing24,556 jobs · 166 filingsusi services group , inc.23,695 jobs · 1 filingTend Exchange Subsidiary LLC and Delaware Tender Staffing LLC16,132 jobs · 1 filingAmazon15,899 jobs · 94 filingsMeta Platforms, Inc.12,879 jobs · 111 filingsBlackBerry Corporation12,700 jobs · 1 filing