<SEC-DOCUMENT>9999999995-21-001585-index.html : 20210428 <SEC-HEADER>9999999995-21-001585.hdr.sgml : 20210428 <ACCEPTANCE-DATETIME>20210428001537 ACCESSION NUMBER: 9999999995-21-001585 CONFORMED SUBMISSION TYPE: EFFECT PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20210427 DATE AS OF CHANGE: 20210428 EFFECTIVENESS DATE: 20210427 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: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-255429 FILM NUMBER: 21861157 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>EFFECT <SEQUENCE>1 <FILENAME>primary_doc.xml <TEXT> Document 1 - file: primary_doc.html
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