As filed with the U.S. Securities and Exchange Commission on January 19, 2024 Registration No. 333-276308 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 Processa Pharmaceuticals, 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 45-1539785 (I.R.S. Employer Id ...