{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-26-000159","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2026-06-30T22:00:42+00:00","discovered_at":"2026-07-01T10:05:00.265115+00:00","generated_at":"2026-07-01T10:06:17.689937+00:00","sec_items":["7.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.0,"calibrated_materiality_score":0.0,"confidence":"high","headline":"Columbia Banking System schedules Q2 2026 earnings call for July 23, 2026","bullets":["Earnings release after market close on Thursday, July 23, 2026.","Conference call at 2:00 p.m. PT (5:00 p.m. ET) same day.","Management to discuss Q2 results and provide update on recent activities.","Live Q&A session following the presentation.","Replay available on investor relations page under 'Event Calendar'."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-26-000159","json":"https://secwatch.observer/filing/0000887343-26-000159.json","markdown":"https://secwatch.observer/filing/0000887343-26-000159.md","text":"https://secwatch.observer/filing/0000887343-26-000159.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734326000159/0000887343-26-000159-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734326000159/colb-20260630.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-01T10:06:17.689937+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"}