As filed with the U.S. Securities and Exchange Commission on April 10, 2024. Registration No. 333-278076 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No.1 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NANO NUCLEAR ENERGY INC. (Exact Name of Registrant as Specified in its Charter) (State or other jurisdiction of incorporation or organization) Nevada 4911 88-0861977 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identificati ...