As filed with the Securities and Exchange Commission on October 17, 2023 Registration No. 333-268934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 4 TO FORM S-1 REGISTRATION STATEMENT Under The Securities Act of 1933 ZYVERSA THERAPEUTICS, 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 2834 86-2685744 Faith L. Charles Todd Mason ...