GT Biopharma, Inc. reports

Location
8000 Marina Blvd, Suite 100, Brisbane, California
State of incorporation
Delaware
Fiscal year end
December 31
Data updated at
8/14/2024, 04:04 PM
Form type Sec Links Description Filing date Reporting date
10-Q Report | Data Aug 14, 2024 Jun 30, 2024
8-K Report | Data Jun 27, 2024 Jun 27, 2024
8-K Report | Data Jun 26, 2024 Jun 25, 2024
8-K Report | Data Jun 7, 2024 Jun 3, 2024
SC 13G/A Report AMENDMENT NO. 17 TO SCHEDULE 13G May 23, 2024
8-K Report | Data May 23, 2024 May 21, 2024
10-Q Report | Data May 15, 2024 Mar 31, 2024
8-K Report | Data Apr 30, 2024 Apr 25, 2024
10-K Report | Data Mar 26, 2024 Dec 31, 2023
SC 13G/A Report Feb 14, 2024
8-K Report | Data Feb 1, 2024 Feb 1, 2024
8-K Report | Data Dec 21, 2023 Dec 18, 2023
8-K Report | Data Dec 4, 2023 Dec 4, 2023
10-Q Report | Data Nov 1, 2023 Sep 30, 2023
SC 13G Report SCHEDULE 13G Sep 19, 2023
8-K Report | Data Aug 22, 2023 Aug 22, 2023
10-Q Report | Data Aug 7, 2023 Jun 30, 2023
8-K Report | Data Jul 5, 2023 Jun 28, 2023
10-Q Report | Data May 15, 2023 Mar 31, 2023
8-K Report | Data May 4, 2023 May 1, 2023
10-K Report | Data Mar 30, 2023 Dec 31, 2022
8-K Report | Data Feb 28, 2023 Feb 22, 2023
SC 13G Report Feb 14, 2023
8-K Report | Data Jan 4, 2023 Dec 30, 2022
8-K Report | Data Dec 13, 2022 Dec 8, 2022
8-K Report | Data Nov 9, 2022 Nov 3, 2022
10-Q Report | Data Oct 31, 2022 Sep 30, 2022
8-K Report | Data Oct 12, 2022 Oct 10, 2022
8-K Report | Data Oct 4, 2022 Oct 4, 2022
8-K Report | Data Aug 30, 2022 Aug 24, 2022
8-K/A Report | Data Aug 17, 2022 Jun 8, 2022
10-Q Report | Data Aug 15, 2022 Jun 30, 2022
8-K Report | Data Jun 14, 2022 Jun 8, 2022
8-K Report | Data Jun 10, 2022 Jun 9, 2022
10-Q Report | Data May 16, 2022 Mar 31, 2022
10-K Report | Data Mar 28, 2022 Dec 31, 2021
8-K Report | Data Mar 8, 2022 Mar 2, 2022
SC 13G/A Report AMENDMENT NO. 16 Mar 3, 2022
8-K Report | Data FORM 8-K Feb 18, 2022 Feb 14, 2022
SC 13G/A Report Jan 28, 2022
SC 13G/A Report AMENDMENT NO. 6 TO SCHEDULE 13G Jan 18, 2022
10-Q/A Report | Data PRIMARY DOCUMENT Dec 29, 2021 Jun 30, 2021
8-K Report | Data PRIMARY DOCUMENT Dec 23, 2021 Dec 22, 2021
8-K Report | Data PRIMARY DOCUMENT Dec 21, 2021 Dec 15, 2021
8-K Report | Data PRIMARY DOCUMENT Nov 26, 2021 Nov 23, 2021
10-Q Report | Data FORM 10-Q Nov 10, 2021 Sep 30, 2021
8-K Report | Data PRIMARY DOCUMENT Nov 1, 2021 Nov 1, 2021
8-K Report | Data CURRENT REPORT Sep 23, 2021 Sep 17, 2021
8-K Report | Data CURRENT REPORT Sep 13, 2021 Sep 13, 2021
10-Q Report | Data FORM 10-Q Aug 23, 2021 Jun 30, 2021
8-K Report CURRENT REPORT May 19, 2021 May 19, 2021
10-Q Report | Data QUARTERLY REPORT May 17, 2021 Mar 31, 2021
8-K Report CURRENT REPORT Apr 29, 2021 Apr 23, 2021
10-K Report | Data ANNUAL REPORT Apr 16, 2021 Dec 31, 2020
8-K Report CURRENT REPORT Apr 16, 2021 Apr 14, 2021
SC 13G/A Report Apr 16, 2021
8-K Report CURRENT REPORT Feb 22, 2021 Feb 16, 2021
8-K Report CURRENT REPORT Feb 18, 2021 Feb 17, 2021
SC 13G Report Feb 17, 2021
8-K Report CURRENT REPORT Feb 17, 2021 Feb 16, 2021
8-K Report CURRENT REPORT Feb 11, 2021 Feb 10, 2021
8-K Report CURRENT REPORT Feb 9, 2021 Dec 14, 2020
SC 13G/A Report AMENDMENT NO. 15 Feb 8, 2021
SC 13G/A Report AMENDMENT NO. 5 TO SCHEDULE 13G Feb 5, 2021
8-K Report CURRENT REPORT Feb 2, 2021 Jan 31, 2021
8-K Report CURRENT REPORT Jan 19, 2021 Jan 13, 2021
8-K Report CURRENT REPORT Dec 31, 2020 Dec 28, 2020
8-K Report CURRENT REPORT Dec 28, 2020 Dec 22, 2020
8-K Report CURRENT REPORT Dec 23, 2020 Dec 22, 2020
10-Q Report | Data QUARTERLY REPORT Nov 13, 2020 Sep 30, 2020
8-K Report CURRENT REPORT Nov 9, 2020 Nov 6, 2020
8-K Report CURRENT REPORT Nov 4, 2020 Nov 4, 2020
8-K Report CURRENT REPORT Oct 6, 2020 Oct 5, 2020
8-K Report CURRENT REPORT Sep 22, 2020 Sep 16, 2020
10-Q/A Report | Data AMENDED QUARTERLY REPORT Aug 18, 2020 Jun 30, 2020
10-Q Report | Data QUARTERLY REPORT Aug 14, 2020 Jun 30, 2020
8-K Report CURRENT REPORT Jul 9, 2020 Jul 7, 2020
8-K Report CURRENT REPORT Jun 23, 2020 Jun 23, 2020
8-K Report CURRENT REPORT Jun 19, 2020 Jun 19, 2020
SC 13G Report SCHEDULE 13G Jun 10, 2020
8-K Report CURRENT REPORT May 29, 2020 May 29, 2020
SC 13G/A Report AMENDMENT NO. 13 May 18, 2020
10-Q Report | Data QUARTERLY REPORT May 15, 2020 Mar 31, 2020
10-K Report | Data ANNUAL REPORT Mar 27, 2020 Dec 31, 2019
SC 13G/A Report AMENDMENT NO. 12 Feb 4, 2020
SC 13G/A Report AMENDMENT NO. 4 TO SCHEDULE 13G Jan 16, 2020
10-Q Report | Data QUARTERLY REPORT Nov 14, 2019 Sep 30, 2019
8-K Report CURRENT REPORT Sep 24, 2019 Sep 19, 2019
8-K Report CURRENT REPORT Aug 23, 2019 Aug 20, 2019
10-Q Report | Data QUARTERLY REPORT Aug 14, 2019 Jun 30, 2019
8-K Report GTBP 8K ISSUANCE OF NOTES May 24, 2019 May 22, 2019
10-Q Report | Data QUARTERLY REPORT May 15, 2019 Mar 31, 2019
8-K Report GTBP 8-K ITEM 3.02 Apr 19, 2019 Apr 19, 2019
8-K Report GTBP 8-K FILING OF CERTIFICATE OF DESIGNATION Apr 5, 2019 Apr 4, 2019
10-K Report | Data ANNUAL REPORT Mar 29, 2019 Dec 31, 2018
8-K Report GTBP 8-K RESIGNATION OF DIRECTORS AND APPOINTMENT OF CFO Mar 22, 2019 Mar 20, 2019
8-K Report GTBP 8-K ITEM 5.02 Mar 21, 2019 Mar 15, 2019
SC 13G/A Report AMENDMENT NO. 3 TO SCHEDULE 13G Feb 13, 2019
SC 13G/A Report SCHEDULE 13G AMENDMENT Feb 12, 2019
8-K Report CURRENT REPORT Feb 6, 2019 Feb 4, 2019
SC 13G/A Report SC 13G/A2 JAMES W HEAVENER Feb 5, 2019
SC 13G/A Report SC 13G/A JAMES W HEAVENER Jan 29, 2019
8-K Report CURRENT REPORT Jan 7, 2019 Jan 7, 2019
8-K Report CURRENT REPORT Jan 7, 2019 Jan 7, 2019
8-K Report CURRENT REPORT Nov 15, 2018 Nov 15, 2018
10-Q Report | Data QUARTERLY REPORT Nov 14, 2018 Sep 30, 2018
8-K Report CURRENT REPORT Nov 1, 2018 Nov 1, 2018
8-K Report CURRENT REPORT Oct 16, 2018 Oct 11, 2018
8-K Report CURRENT REPORT Oct 12, 2018 Oct 9, 2018
8-K Report FORM 8-K Sep 28, 2018 Sep 24, 2018
8-K Report CURRENT REPORT Sep 7, 2018 Sep 7, 2018
10-Q Report | Data QUARTERLY REPORT Aug 14, 2018 Jun 30, 2018
8-K Report CURRENT REPORT Aug 3, 2018 Aug 2, 2018
8-K Report CURRENT REPORT Jul 5, 2018 Jul 2, 2018
10-Q Report | Data QUARTERLY REPORT May 15, 2018 Mar 31, 2018
8-K Report CURRENT REPORT May 14, 2018 May 9, 2018
8-K Report CURRENT REPORT Apr 27, 2018 Apr 23, 2018
8-K/A Report CURRENT REPORT Mar 15, 2018 Jul 19, 2017
10-K Report | Data ANNUAL REPORT Mar 1, 2018 Dec 31, 2017
10-K/A Report | Data FORM 10-K/A Feb 28, 2018 Dec 31, 2016
10-Q/A Report | Data FORM 10-Q/A Feb 28, 2018 Sep 30, 2016
10-Q/A Report | Data FORM 10-Q/A Feb 28, 2018 Jun 30, 2016
10-Q/A Report | Data FORM 10-Q/A Feb 28, 2018 Mar 31, 2016
10-K/A Report | Data FORM 10-K/A Feb 28, 2018 Dec 31, 2015
8-K Report CURRENT REPORT Feb 21, 2018 Feb 14, 2018
SC 13G/A Report SCHEDULE 13G AMENDMENT Feb 7, 2018
8-K Report CURRENT REPORT Jan 23, 2018 Jan 22, 2018
8-K Report CURRENT REPORT Jan 16, 2018 Jan 16, 2018
SC 13G Report SCHEDULE 13G MARK J SILVERMAN Dec 4, 2017
8-K Report PRIMARY DOCUMENT Nov 16, 2017 Nov 16, 2017
10-Q Report | Data QUARTERLY REPORT Nov 14, 2017 Sep 30, 2017
SC 13G Report THEOREM GROUP LLC 13G FOR GT BIOPHARMA, INC. Nov 14, 2017
8-K Report CURRENT REPORT Oct 12, 2017 Oct 10, 2017
SC 13G/A Report AMENDMENT NO. 9 Oct 10, 2017
SC 13G/A Report AMENDMENT NO. 2 TO SCHEDULE 13G Sep 20, 2017
8-K Report CURRENT REPORT Sep 5, 2017 Sep 1, 2017
10-Q Report | Data QUARTERLY REPORT Aug 11, 2017 Jun 30, 2017
8-K Report | Data GT BIOPHARMA 8-K Jul 25, 2017 Jul 17, 2017
8-K Report PRIMARY DOCUMENT Jun 26, 2017 Jun 26, 2017
10-Q Report | Data QUARTERLY REPORT Apr 28, 2017 Mar 31, 2017
8-K Report OXIS 8-K ITEM 8.01 Apr 3, 2017 Apr 3, 2017
10-K Report | Data ANNUAL REPORT Mar 31, 2017 Dec 31, 2016
8-K Report OXIS 8K ISSUANCE OF STOCK Mar 23, 2017 Mar 20, 2017
8-K Report OXIS 8-K STOCK ISSUANCE Mar 2, 2017 Feb 24, 2017
8-K Report OXIS 8-K ISSUANCE OF SECURITIES Feb 17, 2017 Feb 14, 2017
SC 13G/A Report AMENDMENT NO. 1 TO SCHEDULE 13G Feb 13, 2017
SC 13G/A Report SC 13G/A Feb 10, 2017
8-K Report OXIS 8-K ISSUANCE OF UNREGISTERED SHARES Feb 9, 2017 Feb 3, 2017
8-K Report OXIS 8-K ISSUANCE OF STOCK Feb 3, 2017 Jan 31, 2017
8-K Report OXIS 8-K ISSUANCE OF STOCK Jan 27, 2017 Jan 24, 2017
8-K Report OXIS 8-K ISSUANCE OF UNREGISTERED SECURITIES Jan 20, 2017 Jan 17, 2017
8-K Report OXIS 8-K ISSUANCE OF DEBENTURES Jan 13, 2017 Jan 12, 2017
10-Q Report | Data QUARTERLY REPORT Nov 14, 2016 Sep 30, 2016
10-Q Report | Data QUARTERLY REPORT Aug 10, 2016 Jun 30, 2016
8-K Report OXIS 8-K ISSUANCE OF DEBENTURE Aug 9, 2016 Aug 9, 2016
8-K Report CURRENT REPORT Jun 17, 2016 Jun 13, 2016
8-K Report CURRENT REPORT Jun 3, 2016 May 27, 2016
10-Q Report | Data QUARTERLY REPORT May 13, 2016 Mar 31, 2016
SC 13G/A Report AMENDMENT NO. 7 Apr 5, 2016
10-K Report | Data ANNUAL REPORT Mar 30, 2016 Dec 31, 2015
8-K Report OXIS 8-K AMENDMENT OF NOTE CONVERSION AGREEMENT Feb 19, 2016 Feb 19, 2016
SC 13G Report NONE Feb 18, 2016
SC 13G Report NONE Feb 9, 2016
SC 13G Report SCHEDULE 13G Jan 26, 2016
SC 13D/A Report AMENDED SCHEDULE 13D Jan 26, 2016
SC 13G/A Report SCHEDULE 13G AMENDMENT Jan 25, 2016
8-K Report OXIS 8-K SALE OF UNREGISTERED SECURITIES Jan 22, 2016 Jan 19, 2016
8-K Report CURRENT REPORT Jan 8, 2016 Jan 8, 2016
10-Q Report | Data QUARTERLY REPORT Nov 13, 2015 Sep 30, 2015
8-K Report CURRENT REPORT Oct 26, 2015 Oct 26, 2015
8-K Report OXIS 8-K DR. VALLERA LICENSE Sep 8, 2015 Sep 3, 2015
10-Q Report | Data QUARTERLY REPORT Aug 14, 2015 Jun 30, 2015
10-Q Report | Data QUARTERLY REPORT May 14, 2015 Mar 31, 2015
10-K Report | Data OXIS INTERNATIONAL ANNUAL REPORT 2014 Mar 31, 2015 Dec 31, 2014
8-K Report OXIS 8-K FILED MARCH 13, 2015 Mar 13, 2015 Mar 10, 2015
SC 13G/A Report SCHEDULE 13G AMENDMENT Feb 11, 2015
8-K Report OXIS 8-K ACQUISITION OF XIE ASSETS BY SUB Jan 12, 2015 Jan 12, 2015
10-Q Report | Data OXIS INTERNATIONAL QUARTERLY REPORT Jan 8, 2015 Sep 30, 2014
10-Q Report | Data OXIS INTERNATIONAL QUARTERLY REPORT Jan 8, 2015 Jun 30, 2014
10-Q Report | Data OXIS INTERNATIONAL QUARTERLY REPORT Jan 8, 2015 Mar 31, 2014
10-K Report | Data OXIS INTERNATIONAL ANNUAL REPORT Jan 8, 2015 Dec 31, 2013
10-Q Report | Data OXIS INTERNATIONAL QUARTERLY REPORT Dec 17, 2014 Sep 30, 2013
10-Q Report | Data OXIS INTERNATIONAL QUARTERLY REPORT Dec 12, 2014 Jun 30, 2013
10-Q Report | Data OXIS INTERNATIONAL QUARTERLY REPORT Dec 10, 2014 Mar 31, 2013
8-K Report OXIS 8-K DEPARTURE AND APPOINTMENT OF OFFICERS Nov 20, 2014 Nov 20, 2014
10-K Report | Data OXIS INTERNATIONAL, INC. ANNUAL REPORT 2012 Nov 18, 2014 Dec 31, 2012
8-K Report OXIS 8K ISSUANCE OF DEBENTURES AND ELECTION OF DIR AND CFO Nov 10, 2014 Nov 4, 2014
8-K Report OXIS INTERNATIONAL, INC. CURRENT REPORT Jul 30, 2014 Jul 24, 2014
SC 13G/A Report Feb 13, 2013
8-K Report OXIS INTERNATIONAL CURRENT REPORT Dec 12, 2012 Dec 7, 2012
10-Q Report | Data OXIS QUARTERLY REPORT Nov 21, 2012 Sep 30, 2012
8-K Report OXIS INTERNATIONAL CURRENT REPORT Nov 6, 2012 Nov 6, 2012
8-K Report OXIS INTERNATIONAL CURRENT REPORT Oct 24, 2012 Oct 24, 2012
10-Q/A Report | Data OXIS QUARTERLY REPORT AMENDMENT NO. 1 Sep 13, 2012 Jun 30, 2012
10-Q Report OXIS QUARTERLY REPORT Aug 20, 2012 Jun 30, 2012
10-Q Report | Data OXIS 10-Q MARCH 31, 2012 May 21, 2012 Mar 31, 2012
10-K Report | Data OXIS ANNUAL REPORT 2011 Apr 16, 2012 Dec 31, 2011
10-Q Report | Data OXIS QUARTERLY REPORT SEPT 30, 2011 Nov 21, 2011 Sep 30, 2011
8-K Report OXIS CURRENT REPORT Nov 1, 2011 Nov 1, 2011
10-Q/A Report | Data OXIS QUARTERLY REPORT JUNE 30, 2011 AMENDED Sep 12, 2011 Jun 30, 2011
8-K Report OXIS CURRENT REPORT Aug 31, 2011 Aug 25, 2011
10-Q Report OXIS QUARTERLY REPORT JUNE 30, 2011 Aug 22, 2011 Jun 30, 2011
8-K Report OXIS CURRENT REPORT Jul 12, 2011 Jun 29, 2011
8-K Report OXIS CURRENT REPORT Jul 7, 2011 Jun 30, 2011
8-K Report OXIS CURRENT REPORT Jul 1, 2011 Jun 27, 2011
10-Q Report OXIS FORM 10-Q 3-31-11 May 16, 2011 Mar 31, 2011
10-K Report OXIS INTERNATIONAL 2010 ANNUAL REPORT Mar 31, 2011 Dec 31, 2010
SC 13D/A Report SCHEDULE 13D AMENDMENT Mar 29, 2011
SC 13G/A Report SCHEDULE 13G AMENDMENT Feb 15, 2011
10-Q Report OXIS FORM 10-Q 9-30-2010 Nov 12, 2010 Sep 30, 2010
10-Q Report OXIS FORM 10-Q 6-30-10 Aug 16, 2010 Jun 30, 2010
8-K Report OXIS INTERNATIONAL CURRENT REPORT Jul 20, 2010 Jul 14, 2010
8-K Report OXIS INTERNATIONAL CURRENT REPORT Jun 17, 2010 Jun 14, 2010
10-Q Report OXIS FORM 10-Q 3-31-10 May 14, 2010 Mar 31, 2010
10-K Report OXIS ANNUAL REPORT 2009 Mar 30, 2010 Dec 31, 2009
8-K Report OXIS CURRENT REPORT Mar 15, 2010 Mar 8, 2010
8-K Report OXIS CURRENT REPORT Mar 5, 2010 Mar 1, 2010
SC 13D Report SCHEDULE 13D Feb 22, 2010
SC 13G/A Report AMENDED SCHEDULE 2 Feb 16, 2010
8-K Report OXIS 8-K 02-02-2010 Feb 16, 2010 Feb 10, 2010
8-K Report OXIS 8-K 01-15-10 Jan 20, 2010 Jan 15, 2010