{"schema_version":"secwatch.filing_event.v1","accession":"0001723596-26-000015","form_type":"8-K","ticker":"CLBK","cik":"0001723596","company_name":"Columbia Financial, Inc.","filed_at":"2026-04-23T23:59:59+00:00","discovered_at":"2026-05-14T18:02:32.811332+00:00","generated_at":"2026-05-15T04:35:28.725022+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Columbia Financial designates CFO Thomas Splaine as principal financial and accounting officer","bullets":["Board named Thomas Splaine, Jr., EVP and CFO, as principal financial officer and principal accounting officer effective April 17, 2026.","Designation formalizes Splaine's SEC reporting role after his appointment as CFO on January 28, 2026.","No departure; prior CFO Dennis Gibney remains as First Senior EVP and Chief Banking Officer."],"urls":{"canonical":"https://secwatch.observer/filing/0001723596-26-000015","json":"https://secwatch.observer/filing/0001723596-26-000015.json","markdown":"https://secwatch.observer/filing/0001723596-26-000015.md","text":"https://secwatch.observer/filing/0001723596-26-000015.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1723596/000172359626000015/0001723596-26-000015-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1723596/000172359626000015/clbk-20260417.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T04:35:28.725022+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"}