Stryker reports a global disruption and later files under Item 1.05 citing first-quarter impact

Stryker, the medical technology company, disclosed on March 11, 2026 that it had identified a cybersecurity incident that day causing a global disruption to its Microsoft environment. Four weeks later, on April 9, it amended the filing into Item 1.05 after concluding the incident had materially affected operations and first-quarter results.

Initial filing, Item 8.01

At first the company said it had no indication of ransomware or malware.

Updates in March

A March 12 update said order processing, manufacturing and shipping were disrupted, while patient-related services and connected products were not believed affected. On March 23 Stryker revised its earlier view on malware.

Item 1.05 amendment

Stryker said it was fully operational across its manufacturing network and did not expect the incident to materially affect full-year 2026 guidance.

Not disclosed

The filings do not say how the actor got in or whether data was taken.