As filed with the Securities and Exchange Commission on July 22, 2024. FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Moleculin Biotech, Inc. (Exact name of registrant as specified in its charter) | Delaware | 2834 | 47-4671997 | | --- | --- | --- | | (State or other jurisdiction of | (Primary Standard Industrial | (I.R.S. Employer | | incorporation or organization) | Classification Code Number) | Identification Number) | | | 5300 Memorial Drive, Suite 950 | | | | Houston, Texas 77007 | | ...