COMPANY DOSSIER

Quest Diagnostics Layoffs

Yes. Quest Diagnostics filed 2 WARN notices to cut 110 jobs in 2 states, with the layoffs effective Sep 27, 2020. The most recent was filed Aug 7, 2020 under the federal WARN Act.

110 roles affected across 2 filings in 2 states.

Canary status: SingingEVIDENCE-BASED · NOT A PREDICTION
1 executive change disclosed to the SEC
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 Quest Diagnostics'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:
Illinois58Maryland52

Filing history

Quest Diagnostics has filed 2 WARN notices between 2007 and 2020, cutting 110 jobs in total. No new filings in the last 12 months. The most recent was Aug 7, 2020.

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Corporate signalsSEC · PBGC · PRIMARY SOURCES

Material corporate events on record for Quest Diagnostics, beyond the WARN notice, that fill in the wider story of a company under pressure. Each links to its official source. No other layoff tracker connects these.

Mar 12, 2026Executive ChangeSEC Form 8-K, Item 5.02, filed 2026-03-12 by QUEST DIAGNOSTICS INC (DGX).SEC filing →

Every filing

Halethorpe, Maryland
Filed Aug 7, 2020 (6y ago) · Effective Sep 27, 2020 · official filing →
52
Layoff
Schaumburg, Illinois
Filed Apr 19, 2007 (19y ago) · Effective · · official filing →
58
Layoff

Questions

Is Quest Diagnostics laying off employees?

Yes. Quest Diagnostics filed 2 WARN notices to cut 110 jobs in 2 states, with the layoffs effective Sep 27, 2020. The most recent was filed Aug 7, 2020 under the federal WARN Act.

How many jobs is Quest Diagnostics cutting?

110 jobs, across 2 official WARN filings in 2 states.

When do the Quest Diagnostics layoffs take effect?

The most recent filing lists an effective date of Sep 27, 2020. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.

Watching Quest Diagnostics?

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

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