{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-420491","form_type":"8-K","ticker":"TCBX","cik":"0001781730","company_name":"Third Coast Bancshares, Inc.","filed_at":"2026-10-13T20:30:17+00:00","discovered_at":"2026-10-13T20:31:00.283875+00:00","generated_at":"2026-10-13T20:31:10.495148+00:00","sec_items":["1.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Third Coast to acquire Oklahoma's Great Plains Bancshares in all-stock deal; 5,570,352 TCBX shares issued","bullets":["Third Coast Bancshares (TCBX) and Great Plains Bancshares signed an Agreement and Plan of Reorganization dated Oct 6, 2026; outside termination date is Sept 30, 2027.","Consideration is a fixed 5,570,352 shares of TCBX Common Stock for all Great Plains stock; the exchange ratio is cut if Great Plains capital less intangibles is below $153,300,000.","Great Plains shareholders beneficially owning roughly 27.6% of its stock signed a voting agreement to back the merger and forgo transfers.","Great Plains must pay a $11,981,827 termination fee in certain cases, including alternative acquisition proposals or a board recommendation change.","Todd Taylor and Paul M. Dickinson (or other agreed Great Plains directors) will join the TCBX and Third Coast Bank boards, each expanded by two seats."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-420491","json":"https://secwatch.observer/filing/0001193125-26-420491.json","markdown":"https://secwatch.observer/filing/0001193125-26-420491.md","text":"https://secwatch.observer/filing/0001193125-26-420491.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1781730/000119312526420491/0001193125-26-420491-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1781730/000119312526420491/d160832d8k.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-13T20:31:10.495148+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"}