{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-161692","form_type":"8-K/A","ticker":"TCBX","cik":"0001781730","company_name":"Third Coast Bancshares, Inc.","filed_at":"2026-04-17T23:59:59+00:00","discovered_at":"2026-05-14T18:02:32.892940+00:00","generated_at":"2026-05-15T05:34:04.450731+00:00","sec_items":["9.01"],"event_type":"m_and_a","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Third Coast Bancshares closes Keystone merger; Keystone has $1.02B assets, $6.25M net income","bullets":["Merger effective Feb 1, 2026; Keystone reported $1.02B assets, $807M loans at Dec 31, 2025.","Keystone net income $6.25M in 2025, down from $6.90M in 2024; provision for credit losses surged to $5.57M from $0.88M.","Keystone net interest income $35.3M (+23.6% YoY) on loan growth; deposits rose $70M to $864M.","Third Coast filed pro forma combined financials; merger announced Oct 22, 2025.","Keystone stockholders' equity $104.3M, up from $95.6M; AOCI deficit narrowed."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-161692","json":"https://secwatch.observer/filing/0001193125-26-161692.json","markdown":"https://secwatch.observer/filing/0001193125-26-161692.md","text":"https://secwatch.observer/filing/0001193125-26-161692.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1781730/000119312526161692/0001193125-26-161692-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1781730/000119312526161692/d306467d8ka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T05:34:04.450731+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"}