{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-24-000178","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2024-04-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:22.316480+00:00","generated_at":"2026-06-03T08:58:47.114844+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Columbia Banking Q1 GAAP EPS $0.59; net interest margin falls 26 bps to 3.52%","bullets":["GAAP diluted EPS $0.59, operating EPS $0.65; net interest income $423M, down $30M QoQ.","Net interest margin 3.52%, down 26 bps from 4Q23; deposit cost 2.88% stabilized in March.","Provision for credit losses $17M vs $55M prior; net charge-offs 0.47% annualized vs 0.31%.","Nonperforming assets 0.28% of total assets, up from 0.22%; ACL 1.16% of loans.","Tangible book value $16.03; CET1 ratio 9.8%, total capital 12.0%; dividend $0.36."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-24-000178","json":"https://secwatch.observer/filing/0000887343-24-000178.json","markdown":"https://secwatch.observer/filing/0000887343-24-000178.md","text":"https://secwatch.observer/filing/0000887343-24-000178.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000178/0000887343-24-000178-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000178/colb-20240425.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-03T08:58:47.114844+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":"d1a91effb52949e540d8fdd56ebf0a9a87df4062","claim":"COLUMBIA BANKING SYSTEM, INC. reported financial results for first quarter 2024.","evidence_excerpt":"On April 25, 2024, Columbia Banking System, Inc. issued a press release announcing first quarter 2024 financial results.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000178/0000887343-24-000178-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"first quarter 2024"},{"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"}