Allegro Merger Corp. (Nasdaq: ALGR) is a blank check company incorporated in Delaware that filed an amended registration statement on Form S-1/A with the SEC on June 21, 2018, accession number 0001213900-18-008003, advancing its initial public offering process. The SPAC was sponsored by Allegro Merger Sponsor LLC and targeted acquisition opportunities primarily within the technology and business services sectors. The company completed its IPO in 2018, joining a wave of special purpose acquisition vehicles that came to market during that period as investor appetite for the structure remained strong. Allegro represents a notable entry in the 2018 SPAC class that helped set the stage for the subsequent boom years in blank check company formation. Sign up for a full SpacDesk account to access complete filing history, sponsor profiles, deal timelines, and real-time SPAC intelligence on Allegro Merger Corp. and hundreds of other vehicles.