Horizon Space Acquisition I Corp.

Horizon Space Acquisition I Corp., trading under the ticker HSPWF, is a blank-check company focused on the aerospace and space technology sector. The SPAC filed a Form DEFA14A on April 6, 2026, submitting additional definitive proxy solicitation materials to shareholders, a step typically associated with a pending vote on a business combination or extension of the deadline to complete a deal. The filing, bearing accession number 0001929980-26-000136, reflects the company's active engagement with investors as it navigates the latter stages of its lifecycle. For complete filing history, deal status, sponsor details, and data on comparable space-sector SPACs, sign up for full access at SpacDesk.