Onsemi Layoffs & WARN Notices — 282 Workers Affected
All WARN Act mass layoff and plant closure notices filed by Onsemi.
Data updated
4
Total Notices
282
Workers Affected
3
States
2022
First Filing
2025
Latest Filing
Data Insights
Industry Breakdown
Workers affected by industry sector
Layoff Types
Workers affected by notice type
Onsemi WARN Act Filings
| Company | Location | Employees | Notice Date | Type |
|---|---|---|---|---|
| onsemi | San Jose, CA | 51 | Layoff | |
| Onsemi | Pocatello, ID | 90 | ||
| Onsemi | South Portland, ME | 53 | ||
| Onsemi | San Jose, CA | 88 | Closure |
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Onsemi Layoff FAQ
Is Onsemi laying off in 2026?
Onsemi has no 2026 WARN notices on record. The most recent WARN Act filing was in 2025.
How many layoffs has Onsemi had?
Onsemi has filed 4 WARN Act notices affecting a total of 282 workers across 3 states.
When was Onsemi's most recent layoff?
Onsemi's most recent WARN Act filing was on 2025-03-12.
What states has Onsemi laid off workers in?
Onsemi has filed WARN Act notices in: California, Idaho, Maine.
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 Onsemi 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.
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