<SEC-DOCUMENT>0001654954-18-009975-index.html : 20180907
<SEC-HEADER>0001654954-18-009975.hdr.sgml : 20180907
<ACCEPTANCE-DATETIME>20180907170054
ACCESSION NUMBER:		0001654954-18-009975
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20180907
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Unregistered Sales of Equity Securities
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180907
DATE AS OF CHANGE:		20180907

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:			FL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-08092
		FILM NUMBER:		181060707

	BUSINESS ADDRESS:	
		STREET 1:		1825 K STREET
		STREET 2:		SUITE 510
		CITY:			WASHINGTON, D.C.
		STATE:			DC
		ZIP:			33602
		BUSINESS PHONE:		(800) 304-9888

	MAIL ADDRESS:	
		STREET 1:		1825 K STREET
		STREET 2:		SUITE 510
		CITY:			WASHINGTON, D.C.
		STATE:			DC
		ZIP:			33602

	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-4.1
<SEQUENCE>2
<FILENAME>gtbp_ex41.htm
<DESCRIPTION>FORM OF 10% SENIOR CONVERTIBLE DEBENTURE
<TEXT>
Document 2 - file: gtbp_ex41.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>3
<FILENAME>gtbp_ex101.htm
<DESCRIPTION>SECURITIES PURCHASE AGREEMENT BY AND AMONG THE COMPANY AND THE PURCHASERS, DATED SEPTEMBER 7, 2018
<TEXT>
Document 3 - file: gtbp_ex101.htm

</DOCUMENT>
</SEC-DOCUMENT>