---
schema_version: "secwatch.filing_event.v1"
accession: "0001929980-25-000663"
form_type: "8-K"
ticker: "HSPOF"
cik: "0001946021"
company_name: "Horizon Space Acquisition I Corp."
filed_at: "2025-10-03T23:59:59+00:00"
generated_at: "2026-05-17T04:49:24.839631+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Horizon Space terminates SPAC merger with Squirrel; extends deadline to Oct 27, 2025

## Summary
- Mutual termination of Business Combination Agreement with Squirrel Enlivened Technology; no termination fee payable.
- Sponsor deposits $120,000 monthly extension fee into trust, extending deadline from Sep 27 to Oct 27, 2025.
- Underwriting amendment converts $2,415,000 deferred commission into 805,000 post-combination shares at $3.00.
- Company issued $120,000 non-interest promissory note to sponsor for extension; convertible into units at $10.00 per unit.
- Company still has until Dec 27, 2025 (with two further monthly extensions) to complete an initial business combination.

## SEC filing metadata
- accession: 0001929980-25-000663
- form_type: 8-K
- ticker: HSPOF
- cik: 0001946021
- company_name: Horizon Space Acquisition I Corp.
- filed_at: 2025-10-03T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 1.02, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1946021/000192998025000663/0001929980-25-000663-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1946021/000192998025000663/hspo_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001929980-25-000663
- JSON: https://secwatch.observer/filing/0001929980-25-000663.json
- Plain text: https://secwatch.observer/filing/0001929980-25-000663.txt

## Key facts
- Debt Financings
  Horizon Space Acquisition I Corp. incurred loan of aggregate principal amount of $120,000 with Horizon Space Acquisition I Sponsor Corp. at bears no interest maturing the earlier to occur of (i) the consummation of the Company's business combination or (ii) the date of expiry of the term of the Company.
  - Instrument: loan
  - Principal: aggregate principal amount of $120,000
  - Counterparty: Horizon Space Acquisition I Sponsor Corp.
  - Rate: bears no interest
  - Maturity: the earlier to occur of (i) the consummation of the Company's business combination or (ii) the date of expiry of the term of the Company
  - Event: incurrence
  source text: The Company issued an unsecured promissory note in the aggregate principal amount of $120,000 (the “ Note ”) dated September 30, 2025 to the Sponsor in connection with the payment of the Monthly Extension Fee.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1946021/000192998025000663/0001929980-25-000663-index.htm

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