{"schema_version":"secwatch.filing_event.v1","accession":"0001171843-26-000861","form_type":"8-K","ticker":"GSBC","cik":"0000854560","company_name":"GREAT SOUTHERN BANCORP, INC.","filed_at":"2026-02-17T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.828025+00:00","generated_at":"2026-05-16T02:39:33.229999+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.05,"calibrated_materiality_score":0.05,"confidence":"high","headline":"Great Southern Bancorp sets 37th Annual Meeting for May 13, 2026 as virtual-only event","bullets":["Annual Meeting scheduled for May 13, 2026 at 10 a.m. CDT, conducted virtually via webcast.","Record date for voting is March 3, 2026; stockholders can vote live or by proxy.","Meeting materials will be posted on company website prior to the event."],"urls":{"canonical":"https://secwatch.observer/filing/0001171843-26-000861","json":"https://secwatch.observer/filing/0001171843-26-000861.json","markdown":"https://secwatch.observer/filing/0001171843-26-000861.md","text":"https://secwatch.observer/filing/0001171843-26-000861.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/854560/000117184326000861/0001171843-26-000861-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/854560/000117184326000861/f8k_021726.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T02:39:33.229999+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"}