<SEC-DOCUMENT>0001437749-25-020105-index.html : 20250611
<SEC-HEADER>0001437749-25-020105.hdr.sgml : 20250611
<ACCEPTANCE-DATETIME>20250611173012
ACCESSION NUMBER:		0001437749-25-020105
CONFORMED SUBMISSION TYPE:	S-1/A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20250611
DATE AS OF CHANGE:		20250611

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:		S-1/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-287727
		FILM NUMBER:		251041001

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-1/A
<SEQUENCE>1
<FILENAME>mbrx20250606_s1a.htm
<DESCRIPTION>FORM S-1/A
<TEXT>
Document 1 - file: mbrx20250606_s1a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.12
<SEQUENCE>2
<FILENAME>ex_828296.htm
<DESCRIPTION>EXHIBIT 4.12
<TEXT>
Document 2 - file: ex_828296.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.35
<SEQUENCE>3
<FILENAME>ex_828298.htm
<DESCRIPTION>EXHIBIT 10.35
<TEXT>
Document 3 - file: ex_828298.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>ex_828299.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 4 - file: ex_828299.htm

</DOCUMENT>
</SEC-DOCUMENT>