Boston Scientific reports a global disruption and a likely miss on 2026 guidance

Boston Scientific, the medical device maker, disclosed on August 26, 2026 that a cybersecurity incident identified the day before had caused a global disruption to its operations. On September 8 it filed under Item 1.05, saying the incident was likely to materially affect third-quarter and full-year 2026 results.

Initial report, Item 8.01

The company said order processing and shipping were affected and the restoration timeline was unknown.

Item 1.05 report, September 8

The later filing described a network outage that hit manufacturing and order handling. By then major distribution centres were shipping at or above normal levels and manufacturing had resumed at most sites. The guidance effect was explicit.

Pending

Boston Scientific planned an update with its third-quarter results on October 28, 2026. The filings do not say whether data was taken or how the intrusion began.