{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-26-000012","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2026-01-22T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.929441+00:00","generated_at":"2026-05-16T09:10:45.282042+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Columbia Banking Q4 net income $215M; operating EPS $0.82; NIM expands to 4.06%","bullets":["Diluted EPS $0.72; operating EPS $0.82; net interest income $627M up $122M QoQ.","Net interest margin 4.06% (+22 bps QoQ) driven by lower funding costs and full-quarter Pacific Premier contribution.","Repurchased $100M of common stock (3.7M shares at avg $27.07); dividend raised to $0.37/share.","Clint Stein appointed Chair effective Jan 22; Ivan Seda became CFO on Dec 31, 2025.","Provision for credit losses $23M; net charge-offs 0.25% annualized vs 0.22% prior quarter."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-26-000012","json":"https://secwatch.observer/filing/0000887343-26-000012.json","markdown":"https://secwatch.observer/filing/0000887343-26-000012.md","text":"https://secwatch.observer/filing/0000887343-26-000012.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734326000012/0000887343-26-000012-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734326000012/colb-20260122.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T09:10:45.282042+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"}