8-K current report · filed May 20, 2026

West Pharmaceutical Services (WST) 8-K Current Report: May 20, 2026

Short answer

West Pharmaceutical Services (WST) filed an 8-K current report with the SEC on May 20, 2026 reporting Item 1.05 (Material Cybersecurity Incidents). Cyberattack involved data exfiltration and system encryption, creating potential privacy, operational and remediation risks.

  • This filing includes Item 1.05, an item that often signal trouble.

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West Pharmaceutical Services 8-K event analysis

AI summary of each reported item and its exhibits

Item 1.05 · Material Cybersecurity Incidents

  • Cyberattack involved data exfiltration and system encryption, creating potential privacy, operational and remediation risks
  • Global manufacturing, supply-chain and commercial operations fully restored
  • No unauthorized activity or access observed since May 5, 2026
  • Company expects no material impact on 2026 second-quarter or full-year financial guidance
  • Investigation continues, leaving potential scope and data-impact uncertainty for investors

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