{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-118474","form_type":"8-K","ticker":"XRN","cik":"0001533615","company_name":"Chiron Real Estate Inc.","filed_at":"2025-12-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.666613+00:00","generated_at":"2026-05-16T14:38:34.345380+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Director Ronald Marston to retire at 2026 annual meeting","bullets":["Ronald Marston notified board on December 3, 2025 of intent to retire as director.","Retirement effective at the 2026 Annual Meeting of Stockholders; he will not be nominated for reelection.","No replacement announced; board will fill vacancy in due course.","Marston's decision not due to any disagreement with the company."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-118474","json":"https://secwatch.observer/filing/0001104659-25-118474.json","markdown":"https://secwatch.observer/filing/0001104659-25-118474.md","text":"https://secwatch.observer/filing/0001104659-25-118474.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1533615/000110465925118474/0001104659-25-118474-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1533615/000110465925118474/tm2532760d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T14:38:34.345380+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"}