---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-106089"
form_type: "8-K"
ticker: "COLA"
cik: "0002028201"
company_name: "Columbus Acquisition Corp/Cayman Islands"
filed_at: "2026-10-02T11:37:55+00:00"
generated_at: "2026-10-12T14:31:15.811490+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# WISeSat closes business combination with Columbus Acquisition; combined shares to trade on Nasdaq as SAIQ

## Summary
- Business combination of Columbus Acquisition Corp and WISeSat.Space Holdings closed on October 1, 2026 after all closing conditions were satisfied or waived.
- CAC shareholders approved the business combination at an extraordinary general meeting held on September 30, 2026.
- Pubco ordinary shares commence trading on the Nasdaq on October 2, 2026 under the ticker symbol 'SAIQ'.
- Maxim Group LLC served as WISeSat's financial advisor; Ellenoff Grossman & Schole LLP and Harney Westwood & Riegels (BVI) LP were its legal counsel.
- Loeb & Loeb LLP represented Columbus Acquisition as legal counsel with Ogier as Cayman counsel; The Equity Group was WISeSat's strategic communications advisor.

## SEC filing metadata
- accession: 0001213900-26-106089
- form_type: 8-K
- ticker: COLA
- cik: 0002028201
- company_name: Columbus Acquisition Corp/Cayman Islands
- filed_at: 2026-10-02T11:37:55+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2028201/000121390026106089/0001213900-26-106089-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2028201/000121390026106089/ea0307500-8k425_columbus.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-106089
- JSON: https://secwatch.observer/filing/0001213900-26-106089.json
- Plain text: https://secwatch.observer/filing/0001213900-26-106089.txt

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