---
schema_version: "secwatch.filing_event.v1"
accession: "0001929980-25-000560"
form_type: "8-K"
ticker: "HSPOF"
cik: "0001946021"
company_name: "Horizon Space Acquisition I Corp."
filed_at: "2025-07-29T23:59:59+00:00"
generated_at: "2026-05-17T23:48:59.669663+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# HSPO extends deadline to Aug 27, 2025; issues $120k promissory note to Squirrel HK

## Summary
- Sponsor deposited $120k into trust for one-month extension from July 27 to Aug 27, 2025.
- HSPO issued a $120k unsecured promissory note to Squirrel HK; interest-free, payable at business combination or term expiry.
- Squirrel HK is party to the Business Combination Agreement announced Sept 16, 2024.
- Note is non-recourse to trust account funds if business combination fails.

## SEC filing metadata
- accession: 0001929980-25-000560
- form_type: 8-K
- ticker: HSPOF
- cik: 0001946021
- company_name: Horizon Space Acquisition I Corp.
- filed_at: 2025-07-29T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1946021/000192998025000560/0001929980-25-000560-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1946021/000192998025000560/hspo_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001929980-25-000560
- JSON: https://secwatch.observer/filing/0001929980-25-000560.json
- Plain text: https://secwatch.observer/filing/0001929980-25-000560.txt

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