secwatch / observer
8-K filed August 28, 2026, 4:05 PM ET ticker MCK CIK 0000927653
cyber confidence high sentiment negative materiality 0.50

McKesson discloses cybersecurity incident on Aug 25, 2026; investigation early

MCKESSON CORP

MCKESSON CORP filing history →

Source: SEC EDGAR
accession 0000927653-26-000247
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