secwatch.observer — SEC 8-K summary
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Issuer:     WEST PHARMACEUTICAL SERVICES INC (WST)
CIK:        0000105770
Form:       8-K/A
Filed at:   2026-05-20T20:04:33+00:00
Accession:  0000105770-26-000077
Event type: cyber
Sentiment:  neutral
Materiality: 0.60
Item codes: 1.05, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

West Pharmaceutical provides update on May 4 cyberattack; fully operational, no material financial impact
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- Cybersecurity incident detected on May 4, 2026 involved data exfiltration and system encryption.
- Company activated response, took systems offline globally; core enterprise and manufacturing systems restored.
- All manufacturing, supply chain, and commercial sites globally are now fully operational.
- No unauthorized access observed since May 5; investigation continues but incident not expected to materially affect Q2 or FY 2026 guidance.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/105770/000010577026000077/0000105770-26-000077-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/105770/000010577026000077/wst-20260507.htm
  HTML page:      https://secwatch.observer/filing/0000105770-26-000077

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer