---
schema_version: "secwatch.filing_event.v1"
accession: "0001929980-26-000176"
form_type: "8-K"
ticker: "HSPT"
cik: "0002032950"
company_name: "Horizon Space Acquisition II Corp."
filed_at: "2026-04-21T23:59:59+00:00"
generated_at: "2026-05-15T05:11:15.573066+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Horizon Space Acquisition II extends deadline to May 18, 2026 with $50K sponsor deposit

## Summary
- Sponsor deposited $50,000 into trust account for third one-month extension to May 18, 2026.
- Company issued $50,000 unsecured promissory note to sponsor, bearing no interest, due at business combination or term expiry.
- Note convertible into private units at $10 per unit upon business combination; proceeds used for extension payment.
- Maximum possible extension is to February 18, 2027 with up to twelve monthly extensions.

## SEC filing metadata
- accession: 0001929980-26-000176
- form_type: 8-K
- ticker: HSPT
- cik: 0002032950
- company_name: Horizon Space Acquisition II Corp.
- filed_at: 2026-04-21T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2032950/000192998026000176/0001929980-26-000176-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2032950/000192998026000176/hspt_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001929980-26-000176
- JSON: https://secwatch.observer/filing/0001929980-26-000176.json
- Plain text: https://secwatch.observer/filing/0001929980-26-000176.txt

## Key facts
- Debt Financings
  Horizon Space Acquisition II Corp. incurred loan of $50,000 with Horizon Space Acquisition II Sponsor Corp..
  - Instrument: loan
  - Principal: $50,000
  - Counterparty: Horizon Space Acquisition II Sponsor Corp.
  - Event: incurrence
  source text: In connection with the Extension Payment, on April 20, 2026, the Company issued an unsecured promissory note of $50,000 (the “ Note ”) to the Payee.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2032950/000192998026000176/0001929980-26-000176-index.htm

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