Welcome to our dedicated page for Horizon Space Acquisition I SEC filings (Ticker: HSPOU), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The HSPOU SEC filings page on Stock Titan provides access to regulatory documents for Horizon Space Acquisition I Corp. units and related securities. According to the company’s Form 8-K reports, HSPOU units are listed on The Nasdaq Stock Market LLC and consist of one ordinary share, one redeemable warrant, and one right to acquire one-tenth of one ordinary share. The filings page aggregates these disclosures so that investors can review how the company structures its units, warrants, and rights, and how these instruments are treated in connection with its proposed business combination.
Horizon Space Acquisition I Corp., a Cayman Islands exempted company categorized as a shell company, uses its SEC filings to describe its initial business combination timeline, extension options, and trust account arrangements. Recent Form 8-K filings explain that HSPO may extend its deadline to complete a business combination through one-month extensions, each funded by a monthly extension fee deposited into a trust account for public shareholders. These filings also disclose unsecured promissory notes issued to entities such as Shenzhen Squirrel Enlivened Media Group Co., Ltd and Squirrel Enlivened (Hong Kong) Technology Limited to finance the extension fees, including the notes’ maturity terms, lack of interest, and defined events of default.
On this page, users can review current reports that reference the Agreement and Plan of Merger among HSPO and several Squirrel entities, as well as information about the registration statement on Form F-4 filed by Squirrel Cayman. Stock Titan enhances these documents with AI-powered summaries that explain the key points of complex filings such as 8-Ks and registration statements, helping readers quickly understand how extensions, trust funding, and the proposed business combination may affect HSPOU units and the associated securities.
Horizon Space Acquisition I Corp. received an Amendment No. 3 to a Schedule 13G from several First Trust entities reporting that they no longer beneficially own its Ordinary Shares. As of December 31, 2025, First Trust Merger Arbitrage Fund, First Trust Capital Management L.P., First Trust Capital Solutions L.P., and FTCS Sub GP LLC each report beneficial ownership of 0 shares, representing 0.00% of the Ordinary Shares class.
The filing confirms they have no sole or shared voting or dispositive power over the stock and that any securities previously held were acquired and held in the ordinary course of business, not to change or influence control of the company.
Horizon Space Acquisition I Corp. received an amended ownership report showing that three institutional investors now report no beneficial stake in its ordinary shares. Westchester Capital Management, Virtus Investment Advisers, and The Merger Fund each disclose beneficial ownership of 0 shares, representing 0.0% of the class.
The filing notes this percentage is based on 2,404,234 ordinary shares outstanding as of November 20, 2025, as reported in the company’s Form 10-Q. The firms certify that any securities were held in the ordinary course of business and not to change or influence control of Horizon Space.
Mizuho Financial Group, Inc. filed an amended Schedule 13G stating it now beneficially owns 0 common shares of Horizon Space Acquisition I Corp., representing 0.0% of the class as of the event date. The filing confirms Mizuho has no sole or shared voting or dispositive power over any of the company’s common shares.
The firm is identified as a Japan-based parent holding company, and the amendment notes that its group holds ownership of 5 percent or less of this class of securities. The certification explains that any securities were held in the ordinary course of business and not to change or influence control of Horizon Space Acquisition I Corp.
Horizon Space Acquisition I Corp. entered into a new financing arrangement with its sponsor. On January 26, 2026, the company issued an unsecured promissory note for $500,000 to Horizon Space Acquisition I Sponsor Corp. to provide general working capital until it completes its initial business combination.
The note bears no interest and is due on the earlier of the business combination or the company’s term expiry. The sponsor may choose to convert the outstanding principal into private units at $10.00 per unit, with each unit consisting of one ordinary share, one warrant and one right to receive one‑tenth of an ordinary share. Any units issued on conversion will be restricted from transfer until the initial business combination and will have registration rights.
Horizon Space Acquisition I Corp. extended the deadline to complete its initial business combination by one month, from August 27, 2025 to September 27, 2025. To fund this extension, Squirrel Enlivened (Hong Kong) Technology Limited paid a $120,000 monthly extension fee into the company’s trust account for public shareholders, consistent with the existing merger agreement involving the Squirrel group of companies.
In return, Horizon Space issued Squirrel HK an unsecured promissory note for $120,000 dated August 25, 2025. The note bears no interest and is due upon the earlier of completing the business combination or the company’s term expiry, and it includes standard default triggers such as nonpayment, bankruptcy events, breaches, cross defaults, enforcement actions, or unlawfulness, which could allow acceleration of repayment.
Mizuho Financial Group, Inc. reports beneficial ownership of 375,209 common shares of Horizon Space Acquisition I Corp., representing 9.0% of the class. The filing states Mizuho has sole voting and sole dispositive power over these shares and that the position is held in the ordinary course of business, not for the purpose of changing or influencing control of the issuer. The filing also notes that Mizuho Securities USA LLC directly holds the equity securities and that Mizuho Bank, Ltd. and Mizuho Americas LLC may be deemed indirect beneficial owners through the parent holding company structure.
Horizon Space Acquisition I Corp. (HSPOU) reported condensed Q2 2025 financials showing total assets of $22.55 million, of which $22.49 million is invested in a Trust Account established from IPO proceeds. The company had only $13,259 of unrestricted cash at June 30, 2025 and a working capital deficit of $3.00 million, while ordinary shares subject to possible redemption are presented at a redemption value of $22.49 million.
For the three months ended June 30, 2025 the company recorded net income of $75,887 driven by $229,876 of interest and dividend income on trust investments; for the six months ended June 30, 2025 net income was $147,341 with $454,628 of interest and dividends. Management discloses substantial doubt about the company’s ability to continue as a going concern and is relying on sponsor and related-party promissory notes and extension fees (aggregate extension fees of $840,000 deposited Jan–Jul 2025) and a Business Combination Agreement with Squirrel-related parties to extend the time to consummate a business combination to August 27, 2025.