Allegro Merger Corp. (Nasdaq: ALGR) is a blank-check special purpose acquisition company that filed a Form 425 communication with the SEC on April 1, 2026, bearing accession number 0001213900-26-038022. Form 425 filings are prospectus-related communications submitted under Rule 425 of the Securities Act, typically issued in connection with an announced business combination. Allegro Merger Corp. launched its IPO in 2019 and has focused its search on the technology and financial services sectors. The Form 425 submission signals that the company is in an active deal communication phase with investors and regulators. Sign up for a free SpacDesk account to access full filing timelines, deal documentation, and real-time analytics on ALGR and the broader SPAC market.