Horizon Space Acquisition I Corp. (ticker: HSPWF) is a blank-check company formed to pursue a merger or acquisition target in the space and aerospace technology sector. The company filed its annual report on Form 10-K with the SEC on April 15, 2026, under accession number 0001929980-26-000161, reflecting its ongoing reporting obligations as a public entity. Organized as a Series I vehicle, the SPAC targets opportunities within the commercial space industry, a sector that has drawn increased SPAC activity in recent years. Sponsor details were not disclosed in the available filing metadata. Visit SpacDesk and sign up for full data, including sponsor profiles, deal timelines, and filing histories for Horizon Space Acquisition I Corp. and hundreds of other active SPACs.