January 2, 2026 Walter V. Klemp Chief Executive Officer Moleculin Biotech, Inc. 5300 Memorial Drive, Suite 950 Houston, TX 77007 Re: Moleculin Biotech, Inc. Registration Statement on Form S-3 Filed December 23, 2025 File No. 333-292420 Dear Walter V. Klemp: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Chris Edwards at 202-551-6761 with any questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Cavas S. Pavri