# EDGAR Filing Document

**Accession Number:** 0001659617
**File Stem:** 9999999995-25-003242
**Filing Date:** 2025-9
**Character Count:** 1321
**Document Hash:** 24d23e045395c3b54d80252212bb9c6f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-25-003242.hdr.sgml**: 20251001

**ACCESSION NUMBER**: 9999999995-25-003242

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250930

**DATE AS OF CHANGE**: 20251001

**EFFECTIVENESS DATE**: 20250930

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Moleculin Biotech, Inc.
- **CENTRAL INDEX KEY:** 0001659617
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 474671997
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-290418
- **FILM NUMBER:** 251362429

**BUSINESS ADDRESS:**
- **STREET 1:** 5300 MEMORIAL DRIVE
- **STREET 2:** SUITE 950
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77007
- **BUSINESS PHONE:** 713-300-5160

**MAIL ADDRESS:**
- **STREET 1:** 5300 MEMORIAL DRIVE
- **STREET 2:** SUITE 950
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77007

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** September 30, 2025

**Time:** 16:30:00

**Form Type:** S-3

---

**CIK:** 0001659617

**Company Name:** Moleculin Biotech, Inc.

**File Number:** 333-290418