---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-054549"
form_type: "8-K"
ticker: "COLA"
cik: "0002028201"
company_name: "Columbus Acquisition Corp/Cayman Islands"
filed_at: "2026-05-11T21:01:17+00:00"
generated_at: "2026-05-11T21:05:31.997906+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Columbus Acquisition Corp issues $100K promissory note to WISeSat.Space to extend business combination deadline

## Summary
- Unsecured promissory note of $100,000 issued to WISeSat.Space Corp. to fund four Monthly Extension Fees of $25,000 each.
- Note bears no interest; principal due at earliest of BCA termination, business combination close, or winding up.
- Payee may convert unpaid balance into private units at $10/unit before the business combination closes.
- If BCA terminated by Maker and a different business combination closes, Payee can elect cash repayment or conversion into post-close shares at $5/share.
- Issuance exempt from registration under Section 4(a)(2) of Securities Act.

## SEC filing metadata
- accession: 0001213900-26-054549
- form_type: 8-K
- ticker: COLA
- cik: 0002028201
- company_name: Columbus Acquisition Corp/Cayman Islands
- filed_at: 2026-05-11T21:01:17+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2028201/000121390026054549/0001213900-26-054549-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2028201/000121390026054549/ea0290068-8k425_columbus.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-054549
- JSON: https://secwatch.observer/filing/0001213900-26-054549.json
- Plain text: https://secwatch.observer/filing/0001213900-26-054549.txt

## Key facts
- Debt Financings
  Columbus Acquisition Corp/Cayman Islands incurred loan of $100,000 with WISeSat.Space Corp at bears no interest maturing payable in full upon the earliest to occur of (i) the termination date of the Business Combination Agreement ... (ii) the date on which the Company consummates.
  - Instrument: loan
  - Principal: $100,000
  - Counterparty: WISeSat.Space Corp
  - Rate: bears no interest
  - Maturity: payable in full upon the earliest to occur of (i) the termination date of the Business Combination Agreement ... (ii) the date on which the Company consummates
  - Event: incurrence
  source text: On May 5, 2026, Columbus Acquisition Corp, a Cayman Islands exempted company (the " Company "), issued an unsecured promissory note in the aggregate principal amount of $100,000 to WISeSat.Space Corp., a British Virgin Islands business company (the " Target ") in connection with the Target payment of an aggregate of $100,000 of the Monthly Extension Fee (as defined below) (the " Target Extension Note ").
  evidence_url: https://www.sec.gov/Archives/edgar/data/2028201/000121390026054549/0001213900-26-054549-index.htm

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