---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-060545"
form_type: "8-K"
ticker: "COLA"
cik: "0002028201"
company_name: "Columbus Acquisition Corp/Cayman Islands"
filed_at: "2026-05-22T20:00:24+00:00"
generated_at: "2026-05-22T20:04:18.418457+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Columbus Acquisition Corp extends combination deadline to June 22, 2026; issues $25k note to target WISeSat.Space

## Summary
- Deposited $50k extension fee into trust ($25k from working capital, $25k from target) to extend deadline from May 22 to June 22, 2026.
- Issued unsecured $25k promissory note to WISeSat.Space Corp. (payable at BCA termination or closing).
- Note convertible into private units at $10/unit (one share + 1/7 right) or, in certain scenarios, into shares at $5/share.
- Extension allows up to Jan 22, 2027 with monthly $50k deposits.

## SEC filing metadata
- accession: 0001213900-26-060545
- form_type: 8-K
- ticker: COLA
- cik: 0002028201
- company_name: Columbus Acquisition Corp/Cayman Islands
- filed_at: 2026-05-22T20:00:24+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2028201/000121390026060545/0001213900-26-060545-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2028201/000121390026060545/ea0291953-8k425_columbus.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-060545
- JSON: https://secwatch.observer/filing/0001213900-26-060545.json
- Plain text: https://secwatch.observer/filing/0001213900-26-060545.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.