Stack Layoffs & WARN Notices — 153 Workers Affected
All WARN Act mass layoff and plant closure notices filed by Stack.
Data updated
2
Total Notices
153
Workers Affected
1
States
2018
First Filing
2018
Latest Filing
Stack WARN Act Filings
| Company | Location | Employees | Notice Date | Type |
|---|---|---|---|---|
| Stack-On Products | Wauconda, IL | 128 | Closure | |
| Stack-On Products | McHenry, IL | 25 | Layoff |
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Stack Layoff FAQ
Is Stack laying off in 2026?
Stack has no 2026 WARN notices on record. The most recent WARN Act filing was in 2018.
How many layoffs has Stack had?
Stack has filed 2 WARN Act notices affecting a total of 153 workers across 1 state.
When was Stack's most recent layoff?
Stack's most recent WARN Act filing was on 2018-07-11.
What states has Stack laid off workers in?
Stack has filed WARN Act notices in: Illinois.
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 Stack 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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SEC Filings & Hiring Signals
Cross-dataset signals for Stack: SEC 8-K event filings and H-1B labor condition applications often move before and after WARN notices.
2 H-1B LCA petitions filed (FY2026) — check H-1B layoff risk →
States with Filings
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