<SEC-DOCUMENT>0001654954-21-009134-index.html : 20210817 <SEC-HEADER>0001654954-21-009134.hdr.sgml : 20210817 <ACCEPTANCE-DATETIME>20210817092033 ACCESSION NUMBER: 0001654954-21-009134 CONFORMED SUBMISSION TYPE: NT 10-Q PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210630 FILED AS OF DATE: 20210817 DATE AS OF CHANGE: 20210817 EFFECTIVENESS DATE: 20210817 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: NT 10-Q SEC ACT: 1934 Act SEC FILE NUMBER: 001-40023 FILM NUMBER: 211181131 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>NT 10-Q <SEQUENCE>1 <FILENAME>gtbp_nt10q.htm <DESCRIPTION>NT 10-Q <TEXT> Document 1 - file: gtbp_nt10q.htm
</DOCUMENT> </SEC-DOCUMENT>