Hyde Park Acquisition Corp. (HYDQ) was a blank-check special purpose acquisition company that filed a Form 15-12G with the Securities and Exchange Commission on December 28, 2015, initiating the termination of its Exchange Act registration and suspension of its periodic reporting obligations. The deregistration filing marked the close of the company's active public lifecycle as a registered SPAC vehicle. A Form 15-12G is the standard mechanism by which companies exit SEC reporting status, typically occurring after a completed business combination, a voluntary liquidation, or when the registered shareholder base falls below the applicable statutory threshold. For the full filing history, sponsor profile, deal timeline, and data on thousands of other SPACs, create a free account at SpacDesk.