{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-26-035631","form_type":"8-K","ticker":"COLA","cik":"0002028201","company_name":"Columbus Acquisition Corp/Cayman Islands","filed_at":"2026-03-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.035166+00:00","generated_at":"2026-05-15T08:43:27.484811+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Columbus Acquisition extends business combination deadline to April 22, 2026 with $50k deposit","bullets":["Company deposited $50,000 Monthly Extension Fee into Trust Account to extend business combination deadline by one month to April 22, 2026.","$25,000 from company working capital and $25,000 from target WISeSat.Space Corp. under the existing Business Combination Agreement.","The extension follows charter provisions allowing monthly extensions up to January 22, 2027."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-035631","json":"https://secwatch.observer/filing/0001213900-26-035631.json","markdown":"https://secwatch.observer/filing/0001213900-26-035631.md","text":"https://secwatch.observer/filing/0001213900-26-035631.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2028201/000121390026035631/0001213900-26-035631-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2028201/000121390026035631/ea0283876-8k425_columbus.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T08:43:27.484811+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"}