{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-23-120934","form_type":"8-K","ticker":"GSBC","cik":"0000854560","company_name":"GREAT SOUTHERN BANCORP, INC.","filed_at":"2023-11-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:32.161091+00:00","generated_at":"2026-06-07T22:01:42.516429+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Great Southern Bancorp announces death of board member Larry D. Frazier","bullets":["Larry D. Frazier, a director since 1992, passed away November 21, 2023.","He served on Compensation, Governance, and Audit Committees over his tenure.","Chairman William V. Turner thanked Frazier for over 40 years of dedicated service.","No immediate replacement or board changes have been disclosed."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-23-120934","json":"https://secwatch.observer/filing/0001104659-23-120934.json","markdown":"https://secwatch.observer/filing/0001104659-23-120934.md","text":"https://secwatch.observer/filing/0001104659-23-120934.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/854560/000110465923120934/0001104659-23-120934-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/854560/000110465923120934/tm2331469d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T22:01:42.516429+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"}