0001493152-23-015482.txt : 20230504 0001493152-23-015482.hdr.sgml : 20230504 20230504191446 ACCESSION NUMBER: 0001493152-23-015482 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230501 FILED AS OF DATE: 20230504 DATE AS OF CHANGE: 20230504 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: CASAMENTO CHARLES J CENTRAL INDEX KEY: 0001117167 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40023 FILM NUMBER: 23890650 MAIL ADDRESS: STREET 1: 99 BELBROOK WAY CITY: ATHERTON STATE: CA ZIP: 94027 ISSUER: 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 BUSINESS ADDRESS: STREET 1: 8000 MARINA BLVD STREET 2: SUITE 100 CITY: BRISBANE STATE: CA ZIP: 94005 BUSINESS PHONE: (800) 304-9888 MAIL ADDRESS: STREET 1: 8000 MARINA BLVD STREET 2: SUITE 100 CITY: BRISBANE STATE: CA ZIP: 94005 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 3 1 ownership.xml X0206 3 2023-05-01 1 0000109657 GT Biopharma, Inc. GTBP 0001117167 CASAMENTO CHARLES J C/O GT BIOPHARMA, INC. 8000 MARINA BLVD., STE. 100 BRISBANE CA 94005 1 0 0 0 /s/ Charles J. Casamento 2023-05-04