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McKesson has a WARN Act filing history stretching from March 2018 to May 2026, with 10 notices affecting 1,172 employees in total. Filings are concentrated in Pennsylvania (4) and New Jersey (3), with additional notices across 3 other states. Notices include 6 facility closures and 4 layoffs. The largest single filing affected 252 employees in Scottsdale, AZ (). Filing activity has slowed, with only 1 notice 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.

Filing Identities (2)

This page aggregates WARN Act notices filed under 2 related names:

McKesson
McKesson Corporation

Layoff History

Employees affected over time

All WARN Act Notices

Location	Effective Date	Employees	Type
West Seneca, NY	May 18, 2026	78	closure
New Butler Road New Castle, PA	Jun 1, 2023	135	closure
New Castle, PA	Jun 1, 2023	135	closure
New Butler Road New Castle, PA	Jun 1, 2023	135	closure
Middletown, PA	Apr 3, 2020	64	closure
Everett, WA	Jun 7, 2019	67	closure
Delran, NJ	Mar 31, 2018	102	layoff
Delran, NJ	Mar 30, 2018	102	layoff
Delran, NJ	Mar 30, 2018	102	layoff
Scottsdale, AZ	N/A	252	layoff