As filed with the Securities and Exchange Commission on September 3, 2024 Registration No. 333-281618 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1/A Amendment No. 1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ORAGENICS, INC. (Exact name of registrant as specified in its charter) Florida 59-3410522 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 1990 Main Street, Suite 750 Sarasota, Florida 34236 (813) 286-790 ...