---
schema_version: "secwatch.filing_event.v1"
accession: "0000885725-26-000059"
form_type: "8-K"
ticker: "BSX"
cik: "0000885725"
company_name: "BOSTON SCIENTIFIC CORP"
filed_at: "2026-09-08T10:15:57+00:00"
generated_at: "2026-09-08T10:20:06.747966+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Boston Scientific cyber incident to materially hit Q3 and FY 2026 results; will miss guidance

## Summary
- Incident detected Aug 25, 2026; no evidence of ongoing unauthorized access as of Sept 7, 2026.
- Major distribution centers processing/shipping orders at or above normal levels; sterilization facilities operational.
- Manufacturing resumed across most global facilities; full recovery timeline uncertain.
- Expects material impact on Q3 and FY 2026 results; will miss July 29, 2026 net sales growth and adjusted EPS guidance.
- Will provide updated outlook during Oct 28, 2026 Q3 call; no material long-term financial impact expected.

## SEC filing metadata
- accession: 0000885725-26-000059
- form_type: 8-K
- ticker: BSX
- cik: 0000885725
- company_name: BOSTON SCIENTIFIC CORP
- filed_at: 2026-09-08T10:15:57+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 1.05
- EDGAR index: https://www.sec.gov/Archives/edgar/data/885725/000088572526000059/0000885725-26-000059-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/885725/000088572526000059/bsx-20260907.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000885725-26-000059
- JSON: https://secwatch.observer/filing/0000885725-26-000059.json
- Plain text: https://secwatch.observer/filing/0000885725-26-000059.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.