{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-109813","form_type":"8-K","ticker":"ASTH","cik":"0001083446","company_name":"Astrana Health, Inc.","filed_at":"2026-09-23T11:30:13+00:00","discovered_at":"2026-09-23T11:35:01.946254+00:00","generated_at":"2026-09-23T11:35:29.735003+00:00","sec_items":["1.05"],"event_type":"cyber","sentiment":"negative","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Astrana Health discloses cybersecurity incident; data possibly accessed via social engineering","bullets":["Incident detected at subsidiary Astrana Health Management; social engineering spoofed corporate phone number to access systems.","Engaged third-party cybersecurity firm, notified law enforcement, regulators, and payer partners.","Remedial measures: reset credentials, restricted remote access, restored from clean backups, enhanced monitoring.","Believes private/confidential info accessed without authorization; assessing patient, employee, provider data.","Deemed material as of Sept 22, 2026; cannot estimate full impact; maintains cyber insurance but expects no material financial effect."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-109813","json":"https://secwatch.observer/filing/0001104659-26-109813.json","markdown":"https://secwatch.observer/filing/0001104659-26-109813.md","text":"https://secwatch.observer/filing/0001104659-26-109813.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1083446/000110465926109813/0001104659-26-109813-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1083446/000110465926109813/asth-20260922x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-23T11:35:29.735003+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}