secwatch.observer — SEC 8-K summary ====================================== Issuer: COLUMBIA BANKING SYSTEM, INC. (COLB) CIK: 0000887343 Form: 8-K Filed at: 2026-01-22T23:59:59+00:00 Accession: 0000887343-26-000012 Event type: earnings Sentiment: positive Materiality: 0.75 Item codes: 2.02, 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Columbia Banking Q4 net income $215M; operating EPS $0.82; NIM expands to 4.06% ------------------------------------------------------------------------------- - 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. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/887343/000088734326000012/0000887343-26-000012-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/887343/000088734326000012/colb-20260122.htm HTML page: https://secwatch.observer/filing/0000887343-26-000012 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer