{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-26-002088","form_type":"8-K","ticker":"COLA","cik":"0002028201","company_name":"Columbus Acquisition Corp/Cayman Islands","filed_at":"2026-01-07T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.034351+00:00","generated_at":"2026-05-16T11:26:42.225185+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"SPAC Columbus Acquisition files tax supplement for charter amendment vote to extend deadline to Jan 22, 2027","bullets":["Extraordinary general meeting on Jan 16, 2026 to vote on charter amendment extending deadline for business combination.","Proposed amendment extends deadline from Jan 22, 2026 to Jan 22, 2027 via up to 12 monthly extensions.","Supplement provides material U.S. federal income tax info for shareholders on redemption rights.","All other terms of the proxy statement remain unchanged."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-002088","json":"https://secwatch.observer/filing/0001213900-26-002088.json","markdown":"https://secwatch.observer/filing/0001213900-26-002088.md","text":"https://secwatch.observer/filing/0001213900-26-002088.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2028201/000121390026002088/0001213900-26-002088-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2028201/000121390026002088/ea0272098-8k_columbus.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T11:26:42.225185+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"}