Miluna Acquisition Corp, trading under the warrant ticker MMTXW, filed an S-4 registration statement with the SEC on August 27, 2026 (accession 0001493152-26-040431), signaling that the blank-check company has entered the de-SPAC phase of its lifecycle and is seeking shareholder approval for a proposed business combination. The S-4 registration is the standard vehicle SPACs use to register the securities to be issued to target-company shareholders in a merger. Full details on Miluna's sponsor, IPO vintage, industry focus, and merger target are available in the complete filing record. For in-depth data on Miluna Acquisition Corp and hundreds of other SPAC vehicles — including sponsor profiles, deal timelines, and real-time filing alerts — sign up for full access at SpacDesk.