---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-085077"
form_type: "8-K"
ticker: "COLA"
cik: "0002028201"
company_name: "Columbus Acquisition Corp/Cayman Islands"
filed_at: "2026-08-04T17:45:27+00:00"
generated_at: "2026-08-04T17:46:09.132747+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Columbus Acquisition Corp issues $50K in promissory notes to extend business combination deadline to Jan 2027

## Summary
- Issued $25K unsecured note to sponsor Hercules Capital Management VII Corp and $25K note to target WISeSat.Space Corp for monthly extension fee.
- Notes bear no interest, payable upon earliest of BCA termination, business combination closing, or winding up.
- Notes convertible into private units at $10/unit or, under certain conditions, into conversion shares at $5/share.
- Extension allows company until January 22, 2027 to complete initial business combination with WISeSat.Space.

## SEC filing metadata
- accession: 0001213900-26-085077
- form_type: 8-K
- ticker: COLA
- cik: 0002028201
- company_name: Columbus Acquisition Corp/Cayman Islands
- filed_at: 2026-08-04T17:45:27+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2028201/000121390026085077/0001213900-26-085077-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2028201/000121390026085077/ea0297564-8k425_columbus.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-085077
- JSON: https://secwatch.observer/filing/0001213900-26-085077.json
- Plain text: https://secwatch.observer/filing/0001213900-26-085077.txt

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