---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-107904"
form_type: "8-K"
ticker: "COLA"
cik: "0002028201"
company_name: "Columbus Acquisition Corp/Cayman Islands"
filed_at: "2025-11-10T23:59:59+00:00"
generated_at: "2026-05-16T22:42:22.993209+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Columbus Acquisition and WISeKey sign deal to list WISeSat via SPAC; $250M equity value

## Summary
- WISeKey to receive 25M Pubco shares at $10/share, valuing WISeSat at $250M.
- Business combination expected to close in H1 2026, subject to Columbus shareholder approval and conditions.
- Upon close, each non-redeemed Columbus share converts to one Pubco share; 7 rights convert to one Pubco share.
- WISeSat operates 14 of 22 launched LEO satellites; targets 100 satellites by 2030; next-gen post-quantum satellite launch set for Nov 2025.

## SEC filing metadata
- accession: 0001213900-25-107904
- form_type: 8-K
- ticker: COLA
- cik: 0002028201
- company_name: Columbus Acquisition Corp/Cayman Islands
- filed_at: 2025-11-10T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2028201/000121390025107904/0001213900-25-107904-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2028201/000121390025107904/ea0264712-8k_columbus.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-107904
- JSON: https://secwatch.observer/filing/0001213900-25-107904.json
- Plain text: https://secwatch.observer/filing/0001213900-25-107904.txt

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