As filed with the Securities and Exchange Commission on December 7, 2023 Registration No. 333-____ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Legato Merger Corp. III (Exact name of registrant as specified in its charter) Cayman Islands 6770 98-1761148 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) Legato Merger Corp. III 777 Third Avenue, 37 F ...