8-K current report · filed Aug 28, 2026

McKesson Corporation (MCK) 8-K Current Report: August 28, 2026

Item 7.01MCK overview

Short answer

McKesson Corporation (MCK) filed an 8-K current report with the SEC on August 28, 2026 reporting Item 7.01 (Regulation FD Disclosure). Cybersecurity incident discovered August 25, 2026, affecting McKesson information systems.

McKesson Corporation 8-K event analysis

AI summary of each reported item and its exhibits

Item 7.01 · Regulation FD Disclosure

  • Cybersecurity incident discovered August 25, 2026, affecting McKesson information systems
  • Investigation remains in early stages, creating ongoing uncertainty around scope and operational impact
  • Company has not determined materiality or any material financial impact as of filing date
  • Website updates may provide evolving information relevant to operations and investor risk assessment

Generated from the filing text and exhibits; verify against the original. What 8-K item codes mean

Other McKesson Corporation 8-K filings

Get the next MCK 8-K as it lands

Follow MCK for push alerts, or ask the research agent what this filing means.