Allegro Merger Corp. (Nasdaq: ALGR) is a blank check company sponsored by Allegro Merger Corp. LLC that completed its initial public offering in 2020, targeting acquisition opportunities in the financial services and technology sectors. The company filed an amended annual report on Form 10-K/A with the SEC on August 16, 2021, accession number 0001213900-21-042792, a restatement consistent with the wave of SPAC filings prompted by the SEC's spring 2021 guidance on warrant accounting classification. At the time of the filing, Allegro remained in its search phase as a development-stage acquisition vehicle. For complete filing history, deal status, and real-time SPAC analytics on Allegro Merger Corp. and hundreds of other blank check companies, sign up for full data access at SpacDesk.