---
schema_version: "secwatch.filing_event.v1"
accession: "0001929980-25-000067"
form_type: "8-K"
ticker: "HSPOF"
cik: "0001946021"
company_name: "Horizon Space Acquisition I Corp."
filed_at: "2025-02-06T23:59:59+00:00"
generated_at: "2026-05-27T01:56:09.135642+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Horizon Space Acquisition I Corp. issues $300K unsecured promissory note to sponsor for working capital

## Summary
- Principal $300,000, unsecured, non-interest bearing; due upon consummation of business combination or term expiry.
- Proceeds used for general working capital; sponsor may convert note into private units at $10.00 per unit.
- Note was issued as an unregistered sale of securities under Section 4(a)(2) of the Securities Act.
- Repayment limited to assets outside the trust account if no business combination occurs.
- Conversion rights include up to 30,000 units (each: one ordinary share, one warrant, one right) if fully converted.

## SEC filing metadata
- accession: 0001929980-25-000067
- form_type: 8-K
- ticker: HSPOF
- cik: 0001946021
- company_name: Horizon Space Acquisition I Corp.
- filed_at: 2025-02-06T23:59:59+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/1946021/000192998025000067/0001929980-25-000067-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1946021/000192998025000067/hspo_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001929980-25-000067
- JSON: https://secwatch.observer/filing/0001929980-25-000067.json
- Plain text: https://secwatch.observer/filing/0001929980-25-000067.txt

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