---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-085084"
form_type: "8-K"
ticker: "COLA"
cik: "0002028201"
company_name: "Columbus Acquisition Corp/Cayman Islands"
filed_at: "2026-08-04T18:05:25+00:00"
generated_at: "2026-08-04T18:06:14.772539+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Columbus Acquisition Corp extends business combination deadline to August 22, 2026 with $50,000 deposit

## Summary
- Deposited $50,000 into trust account to extend deadline from July 22, 2026 to August 22, 2026.
- Sponsor Hercules Capital Management VII Corp contributed $25,000; target WISeSat.Space Corp contributed $25,000.
- Issued unsecured promissory notes of $25,000 each to Sponsor and Target, convertible into units at $10.00 per unit.
- Extension notes bear no interest; payable upon business combination, termination, or winding up.

## SEC filing metadata
- accession: 0001213900-26-085084
- form_type: 8-K
- ticker: COLA
- cik: 0002028201
- company_name: Columbus Acquisition Corp/Cayman Islands
- filed_at: 2026-08-04T18:05:25+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2028201/000121390026085084/0001213900-26-085084-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2028201/000121390026085084/ea0300015-8k425_columbus.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-085084
- JSON: https://secwatch.observer/filing/0001213900-26-085084.json
- Plain text: https://secwatch.observer/filing/0001213900-26-085084.txt

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