{"schema_version":"secwatch.filing_event.v1","accession":"0000105770-26-000077","form_type":"8-K/A","ticker":"WST","cik":"0000105770","company_name":"WEST PHARMACEUTICAL SERVICES INC","filed_at":"2026-05-20T20:04:33+00:00","discovered_at":"2026-05-20T20:05:02.875447+00:00","generated_at":"2026-05-20T20:06:21.432767+00:00","sec_items":["1.05","9.01"],"event_type":"cyber","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"West Pharmaceutical provides update on May 4 cyberattack; fully operational, no material financial impact","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0000105770-26-000077","json":"https://secwatch.observer/filing/0000105770-26-000077.json","markdown":"https://secwatch.observer/filing/0000105770-26-000077.md","text":"https://secwatch.observer/filing/0000105770-26-000077.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/105770/000010577026000077/0000105770-26-000077-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/105770/000010577026000077/wst-20260507.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T20:06:21.432767+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"6b0d7368b01657198016cd58a93d7bbfa3a812a2","claim":"WEST PHARMACEUTICAL SERVICES INC disclosed a cybersecurity incident: data exfiltrated by unauthorized party and systems encrypted. Impact: no material impact on financial guidance; fully operational. Company determined it not material. Discovered 2026-05-04.","evidence_excerpt":"Based on the investigation to date and information currently available, the Company believes that the incident has not had, and is not reasonably likely to have, a material impact on the Company’s 2026 second-quarter and full-year financial guidance.","evidence_source":"SEC 8-K Item 1.05","evidence_url":"https://www.sec.gov/Archives/edgar/data/105770/000010577026000077/0000105770-26-000077-index.htm","confidence":0.9,"family_label":"Cybersecurity Incidents","details":[{"label":"Nature","value":"data exfiltrated by unauthorized party and systems encrypted"},{"label":"Impact","value":"no material impact on financial guidance; fully operational"},{"label":"Materiality","value":"not material"},{"label":"Discovery","value":"2026-05-04"}],"fact_type":"cyber_incident"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}