Legato Merger Corp. III, trading under the unit ticker LEGT-UN, is a blank-check company sponsored by Legato Capital Management, representing the third SPAC vehicle from that sponsor. The company filed a DEFM14A — a definitive proxy statement for a proposed business combination — with the SEC on May 15, 2026, under accession number 0001829126-26-005295, signaling that the deal has advanced to the shareholder-vote stage. The filing marks a pivotal milestone in the SPAC's lifecycle as it seeks stockholder approval to complete its merger. Investors tracking the Legato series and the broader special-purpose acquisition market can sign up at SpacDesk for full filing history, deal timelines, and real-time alerts on LEGT-UN and hundreds of other active SPACs.