TAC Acquisition Corp. was a blank check company that completed its initial public offering in 2005, with its final prospectus — a Form 424B4 — filed with the SEC on June 29 of that year. Structured as a special purpose acquisition vehicle, TAC emerged during the mid-2000s wave of SPAC formations that preceded the sector's modern expansion. The company was organized with the stated purpose of identifying and completing a merger or acquisition with a target operating business, with no narrowly defined sector focus disclosed at the time of offering. Given its 2005 vintage, the vehicle has long since concluded its lifecycle through either a business combination or a liquidation. Sign up at SpacDesk to access the full filing history and deal data for TAC Acquisition Corp. and the broader historical SPAC universe.