{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-23-000304","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2023-10-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:32.265181+00:00","generated_at":"2026-06-09T22:16:27.632616+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Columbia Banking Q3 net income $135.8M, EPS $0.65; cost synergies exceed target","bullets":["GAAP net income of $135.8M ($0.65 diluted EPS) vs Q2 net income of $133.4M ($0.64).","Operating net income $164.3M ($0.79 diluted EPS); operating ROTCE 20.48%.","Net interest margin 3.91%, down 2 bps from Q2 on higher funding costs.","Total deposits $41.6B, up from $40.8B in Q2; loan growth $121M (excluding $159M mortgage sale).","Annualized cost synergies reached $140M, exceeding original $135M target; non-interest expense down $24M."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-23-000304","json":"https://secwatch.observer/filing/0000887343-23-000304.json","markdown":"https://secwatch.observer/filing/0000887343-23-000304.md","text":"https://secwatch.observer/filing/0000887343-23-000304.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734323000304/0000887343-23-000304-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734323000304/colb-20231018.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T22:16:27.632616+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":[{"claim_id":"3fdb133d924e3f5cefdad2c06ae45bb3f0913553","claim":"COLUMBIA BANKING SYSTEM, INC. reported financial results for third quarter 2023.","evidence_excerpt":"On October 18, 2023, Columbia Banking System, Inc. issued a press release announcing third quarter 2023 financial results.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/887343/000088734323000304/0000887343-23-000304-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"third quarter 2023"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}