Astrana Health, Inc.: material cybersecurity incident (SEC 8-K)

Astrana Health's subsidiary detected unauthorized access resulting from social engineering attacks in which threat actors impersonated company personnel to obtain system access. The company confirmed that certain private and confidential information on its servers was accessed and/or acquired without authorization. Investigation remains ongoing to determine the full scope of data accessed, including potential patient, employee, and business information.

Sources

• Primary: https://www.sec.gov/Archives/edgar/data/1083446/000110465926109813/asth-20260922x8k.htm
• Upstream: SEC EDGAR · 8-K Item 1.05, the same document as the primary source.
• Material cybersecurity incident disclosures from SEC EDGAR Form 8-K, Item 1.05