<SEC-DOCUMENT>0001654954-19-009581-index.html : 20190814 <SEC-HEADER>0001654954-19-009581.hdr.sgml : 20190814 <ACCEPTANCE-DATETIME>20190814161634 ACCESSION NUMBER: 0001654954-19-009581 CONFORMED SUBMISSION TYPE: 10-Q PUBLIC DOCUMENT COUNT: 36 CONFORMED PERIOD OF REPORT: 20190630 FILED AS OF DATE: 20190814 DATE AS OF CHANGE: 20190814 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: 10-Q SEC ACT: 1934 Act SEC FILE NUMBER: 000-08092 FILM NUMBER: 191026612 BUSINESS ADDRESS: STREET 1: 310 N. WESTLAKE BLVD. STREET 2: SUITE 206 CITY: WESTLAKE VILLAGE STATE: CA ZIP: 91362 BUSINESS PHONE: (800) 304-9888 MAIL ADDRESS: STREET 1: 310 N. WESTLAKE BLVD. STREET 2: SUITE 206 CITY: WESTLAKE VILLAGE STATE: CA ZIP: 91362 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>10-Q <SEQUENCE>1 <FILENAME>gtbp_10q.htm <DESCRIPTION>QUARTERLY REPORT <TEXT> Document 1 - file: gtbp_10q.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-31.1 <SEQUENCE>2 <FILENAME>gtbp_ex311.htm <DESCRIPTION>CERTIFICATION PURSUANT TO RULE 13A-14(A)/15D-14(A) CERTIFICATIONS SECTION 302 OF THE SARBANES-OXLY ACT OF 2002 <TEXT> Document 2 - file: gtbp_ex311.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-31.2 <SEQUENCE>3 <FILENAME>gtbp_ex312.htm <DESCRIPTION>CERTIFICATION PURSUANT TO RULE 13A-14(A)/15D-14(A) CERTIFICATIONS SECTION 302 OF THE SARBANES-OXLY ACT OF 2002 <TEXT> Document 3 - file: gtbp_ex312.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-32.1 <SEQUENCE>4 <FILENAME>gtbp_ex321.htm <DESCRIPTION>CERTIFICATE PURSUANT TO SECTION 18 U.S.C. PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 <TEXT> Document 4 - file: gtbp_ex321.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-32.2 <SEQUENCE>5 <FILENAME>gtbp_ex322.htm <DESCRIPTION>CERTIFICATE PURSUANT TO SECTION 18 U.S.C. PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 <TEXT> Document 5 - file: gtbp_ex322.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.INS <SEQUENCE>6 <FILENAME>gtbp-20190630.xml <DESCRIPTION>XBRL INSTANCE DOCUMENT <TEXT> Document 6 - file: gtbp-20190630.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>7 <FILENAME>gtbp-20190630.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA <TEXT> Document 7 - file: gtbp-20190630.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.CAL <SEQUENCE>8 <FILENAME>gtbp-20190630_cal.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE <TEXT> Document 8 - file: gtbp-20190630_cal.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>9 <FILENAME>gtbp-20190630_def.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE <TEXT> Document 9 - file: gtbp-20190630_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>10 <FILENAME>gtbp-20190630_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE <TEXT> Document 10 - file: gtbp-20190630_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>11 <FILENAME>gtbp-20190630_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE <TEXT> Document 11 - file: gtbp-20190630_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>12 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 12 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>13 <FILENAME>R2.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 13 - file: R2.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>14 <FILENAME>R3.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 14 - file: R3.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>15 <FILENAME>R4.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 15 - file: R4.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>16 <FILENAME>R5.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 16 - file: R5.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>17 <FILENAME>R6.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 17 - file: R6.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>18 <FILENAME>R7.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 18 - file: R7.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>19 <FILENAME>R8.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 19 - file: R8.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>20 <FILENAME>R9.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 20 - file: R9.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>21 <FILENAME>R10.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 21 - file: R10.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>22 <FILENAME>R11.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 22 - file: R11.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>23 <FILENAME>R12.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 23 - file: R12.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>24 <FILENAME>R13.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 24 - file: R13.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>25 <FILENAME>R14.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 25 - file: R14.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>26 <FILENAME>R15.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 26 - file: R15.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>27 <FILENAME>R16.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 27 - file: R16.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>28 <FILENAME>R17.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 28 - file: R17.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>29 <FILENAME>R18.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 29 - file: R18.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>30 <FILENAME>R19.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 30 - file: R19.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>31 <FILENAME>R20.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 31 - file: R20.htm
</DOCUMENT> <DOCUMENT> <TYPE>EXCEL <SEQUENCE>32 <FILENAME>Financial_Report.xlsx <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 32 - file: Financial_Report.xlsx
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>33 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 33 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>34 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 34 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>35 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 35 - file: FilingSummary.html
Document 35 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>37 <FILENAME>0001654954-19-009581-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 37 - file: 0001654954-19-009581-xbrl.zip
</DOCUMENT> </SEC-DOCUMENT>