---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-086245"
form_type: "8-K"
ticker: "COLA"
cik: "0002028201"
company_name: "Columbus Acquisition Corp/Cayman Islands"
filed_at: "2026-08-06T21:26:48+00:00"
generated_at: "2026-08-06T21:28:07.035579+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Columbus Acquisition extends merger deadline to Oct 31, 2026 and secures $10M PIPE from SEALSQ

## Summary
- Outside Date extended to October 31, 2026 via First Amendment to Business Combination Agreement.
- SEALSQ Corp commits $10M PIPE investment at ~$10.66/share, closing concurrently with the business combination.
- Additional Subscription Shares may be issued if 10-day VWAP after closing is below the PIPE Purchase Price.
- PIPE Investor is an affiliate of WISeKey and existing shareholder of the target WISeSat.Space.
- First Amendment and Subscription Agreement both executed on August 6, 2026.

## SEC filing metadata
- accession: 0001213900-26-086245
- form_type: 8-K
- ticker: COLA
- cik: 0002028201
- company_name: Columbus Acquisition Corp/Cayman Islands
- filed_at: 2026-08-06T21:26:48+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2028201/000121390026086245/0001213900-26-086245-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2028201/000121390026086245/ea0301005-8k425_columbus.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-086245
- JSON: https://secwatch.observer/filing/0001213900-26-086245.json
- Plain text: https://secwatch.observer/filing/0001213900-26-086245.txt

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