    <SEC-DOCUMENT>0001659617-20-000006-index.html : 20200113
    <SEC-HEADER>0001659617-20-000006.hdr.sgml : 20200113
    <ACCEPTANCE-DATETIME>20200113070135
    ACCESSION NUMBER:		0001659617-20-000006
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		58
    CONFORMED PERIOD OF REPORT:	20200113
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20200113
    DATE AS OF CHANGE:		20200113

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Moleculin Biotech, Inc.
    		CENTRAL INDEX KEY:			0001659617
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		IRS NUMBER:				474671999
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-37758
    		FILM NUMBER:		20522728

    	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>8-K
    <SEQUENCE>1
    <FILENAME>form8-kq12020investorprese.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: form8-kq12020investorprese.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>mbrxexh991q12020investor.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: mbrxexh991q12020investor.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>mbrxexh991q12020investor001.jpg
    <TEXT>
    Document 3 - file: mbrxexh991q12020investor001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>mbrxexh991q12020investor002.jpg
    <TEXT>
    Document 4 - file: mbrxexh991q12020investor002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>mbrxexh991q12020investor003.jpg
    <TEXT>
    Document 5 - file: mbrxexh991q12020investor003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>mbrxexh991q12020investor004.jpg
    <TEXT>
    Document 6 - file: mbrxexh991q12020investor004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>mbrxexh991q12020investor005.jpg
    <TEXT>
    Document 7 - file: mbrxexh991q12020investor005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>mbrxexh991q12020investor006.jpg
    <TEXT>
    Document 8 - file: mbrxexh991q12020investor006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>mbrxexh991q12020investor007.jpg
    <TEXT>
    Document 9 - file: mbrxexh991q12020investor007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>mbrxexh991q12020investor008.jpg
    <TEXT>
    Document 10 - file: mbrxexh991q12020investor008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>mbrxexh991q12020investor009.jpg
    <TEXT>
    Document 11 - file: mbrxexh991q12020investor009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>mbrxexh991q12020investor010.jpg
    <TEXT>
    Document 12 - file: mbrxexh991q12020investor010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>mbrxexh991q12020investor011.jpg
    <TEXT>
    Document 13 - file: mbrxexh991q12020investor011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>mbrxexh991q12020investor012.jpg
    <TEXT>
    Document 14 - file: mbrxexh991q12020investor012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>mbrxexh991q12020investor013.jpg
    <TEXT>
    Document 15 - file: mbrxexh991q12020investor013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>mbrxexh991q12020investor014.jpg
    <TEXT>
    Document 16 - file: mbrxexh991q12020investor014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>mbrxexh991q12020investor015.jpg
    <TEXT>
    Document 17 - file: mbrxexh991q12020investor015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>mbrxexh991q12020investor016.jpg
    <TEXT>
    Document 18 - file: mbrxexh991q12020investor016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>mbrxexh991q12020investor017.jpg
    <TEXT>
    Document 19 - file: mbrxexh991q12020investor017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>mbrxexh991q12020investor018.jpg
    <TEXT>
    Document 20 - file: mbrxexh991q12020investor018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>mbrxexh991q12020investor019.jpg
    <TEXT>
    Document 21 - file: mbrxexh991q12020investor019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>mbrxexh991q12020investor020.jpg
    <TEXT>
    Document 22 - file: mbrxexh991q12020investor020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>mbrxexh991q12020investor021.jpg
    <TEXT>
    Document 23 - file: mbrxexh991q12020investor021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>mbrxexh991q12020investor022.jpg
    <TEXT>
    Document 24 - file: mbrxexh991q12020investor022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>mbrxexh991q12020investor023.jpg
    <TEXT>
    Document 25 - file: mbrxexh991q12020investor023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>mbrxexh991q12020investor024.jpg
    <TEXT>
    Document 26 - file: mbrxexh991q12020investor024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>mbrxexh991q12020investor025.jpg
    <TEXT>
    Document 27 - file: mbrxexh991q12020investor025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>mbrxexh991q12020investor026.jpg
    <TEXT>
    Document 28 - file: mbrxexh991q12020investor026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>mbrxexh991q12020investor027.jpg
    <TEXT>
    Document 29 - file: mbrxexh991q12020investor027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>mbrxexh991q12020investor028.jpg
    <TEXT>
    Document 30 - file: mbrxexh991q12020investor028.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>mbrxexh991q12020investor029.jpg
    <TEXT>
    Document 31 - file: mbrxexh991q12020investor029.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>mbrxexh991q12020investor030.jpg
    <TEXT>
    Document 32 - file: mbrxexh991q12020investor030.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>mbrxexh991q12020investor031.jpg
    <TEXT>
    Document 33 - file: mbrxexh991q12020investor031.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>mbrxexh991q12020investor032.jpg
    <TEXT>
    Document 34 - file: mbrxexh991q12020investor032.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>mbrxexh991q12020investor033.jpg
    <TEXT>
    Document 35 - file: mbrxexh991q12020investor033.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>mbrxexh991q12020investor034.jpg
    <TEXT>
    Document 36 - file: mbrxexh991q12020investor034.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>mbrxexh991q12020investor035.jpg
    <TEXT>
    Document 37 - file: mbrxexh991q12020investor035.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>mbrxexh991q12020investor036.jpg
    <TEXT>
    Document 38 - file: mbrxexh991q12020investor036.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>39
    <FILENAME>mbrxexh991q12020investor037.jpg
    <TEXT>
    Document 39 - file: mbrxexh991q12020investor037.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>40
    <FILENAME>mbrxexh991q12020investor038.jpg
    <TEXT>
    Document 40 - file: mbrxexh991q12020investor038.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>41
    <FILENAME>mbrxexh991q12020investor039.jpg
    <TEXT>
    Document 41 - file: mbrxexh991q12020investor039.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>42
    <FILENAME>mbrxexh991q12020investor040.jpg
    <TEXT>
    Document 42 - file: mbrxexh991q12020investor040.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>43
    <FILENAME>mbrxexh991q12020investor041.jpg
    <TEXT>
    Document 43 - file: mbrxexh991q12020investor041.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>44
    <FILENAME>mbrxexh991q12020investor042.jpg
    <TEXT>
    Document 44 - file: mbrxexh991q12020investor042.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>45
    <FILENAME>mbrxexh991q12020investor043.jpg
    <TEXT>
    Document 45 - file: mbrxexh991q12020investor043.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>46
    <FILENAME>mbrxexh991q12020investor044.jpg
    <TEXT>
    Document 46 - file: mbrxexh991q12020investor044.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>47
    <FILENAME>mbrxexh991q12020investor045.jpg
    <TEXT>
    Document 47 - file: mbrxexh991q12020investor045.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>48
    <FILENAME>mbrxexh991q12020investor046.jpg
    <TEXT>
    Document 48 - file: mbrxexh991q12020investor046.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>49
    <FILENAME>mbrxexh991q12020investor047.jpg
    <TEXT>
    Document 49 - file: mbrxexh991q12020investor047.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>50
    <FILENAME>mbrxexh991q12020investor048.jpg
    <TEXT>
    Document 50 - file: mbrxexh991q12020investor048.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>51
    <FILENAME>mbrxexh991q12020investor049.jpg
    <TEXT>
    Document 51 - file: mbrxexh991q12020investor049.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>52
    <FILENAME>mbrxexh991q12020investor050.jpg
    <TEXT>
    Document 52 - file: mbrxexh991q12020investor050.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>53
    <FILENAME>mbrxexh991q12020investor051.jpg
    <TEXT>
    Document 53 - file: mbrxexh991q12020investor051.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>54
    <FILENAME>mbrxexh991q12020investor052.jpg
    <TEXT>
    Document 54 - file: mbrxexh991q12020investor052.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>55
    <FILENAME>mbrxexh991q12020investor053.jpg
    <TEXT>
    Document 55 - file: mbrxexh991q12020investor053.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>56
    <FILENAME>mbrxexh991q12020investor054.jpg
    <TEXT>
    Document 56 - file: mbrxexh991q12020investor054.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>57
    <FILENAME>mbrxexh991q12020investor055.jpg
    <TEXT>
    Document 57 - file: mbrxexh991q12020investor055.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>58
    <FILENAME>moleculin-logo_horiza15.jpg
    <TEXT>
    Document 58 - file: moleculin-logo_horiza15.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>