{"schema_version":"secwatch.filing_event.v1","accession":"0000887343-24-000252","form_type":"8-K","ticker":"COLB","cik":"0000887343","company_name":"COLUMBIA BANKING SYSTEM, INC.","filed_at":"2024-09-30T23:59:59+00:00","discovered_at":"2026-05-14T18:03:16.182900+00:00","generated_at":"2026-05-31T01:01:55.898419+00:00","sec_items":["7.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Columbia Banking System announces Q3 2024 earnings release and conference call date","bullets":["Q3 2024 earnings to be released on Thursday, October 24 before market open.","Conference call at 8:30 a.m. PT (11:30 a.m. ET) same day with Q&A session.","Participants must register via provided link to receive dial-in and unique PIN.","Replay available on investor relations page under 'News & Market Data-Event Calendar'."],"urls":{"canonical":"https://secwatch.observer/filing/0000887343-24-000252","json":"https://secwatch.observer/filing/0000887343-24-000252.json","markdown":"https://secwatch.observer/filing/0000887343-24-000252.md","text":"https://secwatch.observer/filing/0000887343-24-000252.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000252/0000887343-24-000252-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/887343/000088734324000252/colb-20240930.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T01:01:55.898419+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"}