SPACSphere Acquisition Corp. (SSACR) is a blank-check company that filed an amended S-1/A registration statement with the Securities and Exchange Commission on December 29, 2025, placing it in active pre-IPO registration as of that filing date. The S-1/A amendment indicates the vehicle was in the final stages of preparing for its initial public offering, with the R suffix in the ticker conventionally denoting a rights-bearing unit structure. Sponsor identity and target acquisition sector were not confirmed in the available filing data. SPACSphere intends to pursue a business combination following a successful listing. Sign up on SpacDesk for complete sponsor profiles, deal-stage tracking, and full filing histories on SPACSphere and every active SPAC in the market.