<SEC-DOCUMENT>0001654954-21-006018-index.html : 20210519
<SEC-HEADER>0001654954-21-006018.hdr.sgml : 20210519
<ACCEPTANCE-DATETIME>20210519100357
ACCESSION NUMBER:		0001654954-21-006018
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		20
CONFORMED PERIOD OF REPORT:	20210519
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210519
DATE AS OF CHANGE:		20210519

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GT Biopharma, Inc.
		CENTRAL INDEX KEY:			0000109657
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				941620407
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40023
		FILM NUMBER:		21938746

	BUSINESS ADDRESS:	
		STREET 1:		9350 WILSHIRE BLVD.
		STREET 2:		SUITE 203
		CITY:			BEVERLY HILLS
		STATE:			CA
		ZIP:			90212
		BUSINESS PHONE:		(800) 304-9888

	MAIL ADDRESS:	
		STREET 1:		9350 WILSHIRE BLVD.
		STREET 2:		SUITE 203
		CITY:			BEVERLY HILLS
		STATE:			CA
		ZIP:			90212

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OXIS INTERNATIONAL INC
		DATE OF NAME CHANGE:	19940916

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DDI PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DIAGNOSTIC DATA INC /DE/
		DATE OF NAME CHANGE:	19850312
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>gtbp_8k.htm
<DESCRIPTION>CURRENT REPORT
<TEXT>
Document 1 - file: gtbp_8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>gtbp_ex991.htm
<DESCRIPTION>PRESENTATION
<TEXT>
Document 2 - file: gtbp_ex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>gtbp_ex991000.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 3 - file: gtbp_ex991000.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>gtbp_ex991001.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 4 - file: gtbp_ex991001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>gtbp_ex991002.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 5 - file: gtbp_ex991002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>gtbp_ex991003.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 6 - file: gtbp_ex991003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>gtbp_ex991004.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 7 - file: gtbp_ex991004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>gtbp_ex991005.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 8 - file: gtbp_ex991005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>gtbp_ex991006.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 9 - file: gtbp_ex991006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>gtbp_ex991007.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 10 - file: gtbp_ex991007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>gtbp_ex991008.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 11 - file: gtbp_ex991008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>gtbp_ex991009.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 12 - file: gtbp_ex991009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>gtbp_ex991010.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 13 - file: gtbp_ex991010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>gtbp_ex991011.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 14 - file: gtbp_ex991011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>gtbp_ex991012.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 15 - file: gtbp_ex991012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>gtbp_ex991013.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 16 - file: gtbp_ex991013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>gtbp_ex991014.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 17 - file: gtbp_ex991014.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>gtbp_ex991015.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 18 - file: gtbp_ex991015.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>gtbp_ex991016.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 19 - file: gtbp_ex991016.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>gtbp_ex991017.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 20 - file: gtbp_ex991017.jpg

</DOCUMENT>
</SEC-DOCUMENT>