HSPO HORIZON SPACE ACQUISITION I CORP Capital Structure Changes 8-K Filing 2024 - Promissory Note Issued Horizon Space Acquisition I Corp. issued a $400,000 unsecured promissory note to its sponsor, which will be used for working capital until the company completes its initial business combination; the note has no interest and is payable upon maturity or business combination completion.Get access to all SEC 8-K filings of the HORIZON SPACE ACQUISITION I CORP