ArcelorMittal USA Inc. has a WARN Act filing history stretching from January 2009 to April 2020, with 4 notices affecting 2,790 employees in total. Filings span Indiana (2) and New York (2). Notices include 3 facility closures and 1 layoff. The largest single filing affected 2,444 employees in Burns Harbor, IN (January 2009). There have been no new filings in the past 12 months.

Under the WARN Act (Worker Adjustment and Retraining Notification Act), employers with 100 or more employees are required to provide 60 days advance notice before conducting plant closures or mass layoffs. These notices are filed with state labor departments and are public record.

Layoff History

Employees affected over time

All WARN Act Notices

Location	Effective Date	Employees	Type
East Chicago, IN	Apr 12, 2020	33	closure
Blasdell, NY	May 24, 2009	—	closure
Blasdell, NY	Mar 22, 2009	313	closure
Burns Harbor, IN	Jan 25, 2009	2,444	layoff

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