Ceradyne Layoffs & WARN Notices — 873 Workers Affected

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

Data updated 2015-11-30

Total Notices

873

Workers Affected

States

2009

First Filing

2015

Latest Filing

Data Insights

Industry Breakdown

Workers affected by industry sector

Layoff Types

Workers affected by notice type

Ceradyne WARN Act Filings

WARN Act layoff notices
Company	Location	Employees	Notice Date	Type
Ceradyne	Costa Mesa, CA	65	2015-11-30	Closure
Ceradyne	Costa Mesa, CA	90	2013-07-31
3M, DBA Ceradyne ACO (Ceradyne, Inc.)	Louisville, KY	93	2013-04-08	Layoff
Ceradyne	Irvine, CA	159	2010-11-15
Ceradyne	Costa Mesa, CA	73	2010-11-15
Ceradyne	Irvine, CA	6	2009-12-31
Ceradyne	Irvine, CA	91	2009-04-06
Ceradyne	Irvine, CA	216	2009-01-29
Ceradyne	Costa Mesa, CA	173	2009-01-29

Ceradyne Layoff FAQ

Is Ceradyne laying off in 2026?

Ceradyne has no 2026 WARN notices on record. The most recent WARN Act filing was in 2015.

How many layoffs has Ceradyne had?

Ceradyne has filed 8 WARN Act notices affecting a total of 873 workers across 1 state.

When was Ceradyne's most recent layoff?

Ceradyne's most recent WARN Act filing was on 2015-11-30.

What states has Ceradyne laid off workers in?

Ceradyne has filed WARN Act notices in: California.

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 Ceradyne 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.