As filed with the Securities and Exchange Commission on August 29, 2025 Registration No. 333-288730 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM S-3 ON FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SUPER LEAGUE ENTERPRISE, INC. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) Delaware 7373 47-1990734 (I.R.S. Employ ...