{"schema_version":"secwatch.filing_event.v1","accession":"0001297107-26-000003","form_type":"8-K","ticker":"COSO","cik":"0001297107","company_name":"CoastalSouth Bancshares, Inc.","filed_at":"2026-03-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.737837+00:00","generated_at":"2026-05-15T21:29:18.097279+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"CoastalSouth Bancshares appoints J. Simon Fraser to Board","bullets":["Mr. Fraser appointed effective Feb 26, 2026; term ends at 2026 annual meeting.","He will serve on Audit Committee and Nominating and Governance Committee after the meeting.","Board determined Fraser is independent under NYSE listing standards and SEC rules.","Coastal States Bank has ordinary-course loans outstanding with Fraser; terms comparable to third-party loans."],"urls":{"canonical":"https://secwatch.observer/filing/0001297107-26-000003","json":"https://secwatch.observer/filing/0001297107-26-000003.json","markdown":"https://secwatch.observer/filing/0001297107-26-000003.md","text":"https://secwatch.observer/filing/0001297107-26-000003.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1297107/000129710726000003/0001297107-26-000003-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1297107/000129710726000003/coso-20260226.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T21:29:18.097279+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"}