GT Biopharma, Inc.

Symbol
GTBP on Nasdaq
Entity
Company
Business address
505 Montgomery Street, 10 Th Floor, 94111 San Francisco, CA
Phone
(800) 304-9888
State of incorporation
DE
Fiscal year end
December 31
Category
Non-accelerated filer
Smaller reporting company
Former names
OXIS INTERNATIONAL INC (to 7/25/2017)
All SEC filings
View on sec.gov
Get insider transactions for this issuer
GT Biopharma, Inc. has filed 848 SEC EDGAR filings since 5/12/1995

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
EFFECT Open Document Open Filing Dec 2, 2025 333-291060
424B3 Open Document Open Filing 424B3 Dec 2, 2025 333-291060
8-K Open Document | Data Open Filing 8-K Nov 26, 2025 Nov 20, 2025 001-40023
10-Q Open Document | Data Open Filing 10-Q Nov 14, 2025 Sep 30, 2025 001-40023
8-K Open Document | Data Open Filing 8-K Nov 14, 2025 Nov 14, 2025 001-40023
S-1 Open Document | Data Open Filing S-1 Oct 24, 2025 333-291060
8-K Open Document | Data Open Filing 8-K Sep 26, 2025 Sep 25, 2025 001-40023
8-K Open Document | Data Open Filing 8-K Sep 23, 2025 Sep 17, 2025 001-40023
4 Open Document Open Filing Sep 8, 2025 Sep 4, 2025
4 Open Document Open Filing Sep 8, 2025 Sep 4, 2025
4 Open Document Open Filing Sep 8, 2025 Sep 4, 2025
4 Open Document Open Filing Sep 8, 2025 Sep 4, 2025
4 Open Document Open Filing Sep 8, 2025 Sep 4, 2025
8-K Open Document | Data Open Filing 8-K Aug 29, 2025 Aug 26, 2025 001-40023
10-Q Open Document | Data Open Filing 10-Q Aug 14, 2025 Jun 30, 2025 001-40023
3 Open Document Open Filing Jul 30, 2025 Jun 10, 2025
8-K Open Document | Data Open Filing 8-K Jul 24, 2025 Jul 24, 2025 001-40023
424B3 Open Document Open Filing 424B3 Jul 3, 2025 333-287963
EFFECT Open Document Open Filing Jul 2, 2025 333-287963
CORRESP Open Document Open Filing Jul 1, 2025
S-1/A Open Document | Data Open Filing S-1/A Jun 27, 2025 333-287963
CORRESP Open Document Open Filing Jun 27, 2025
UPLOAD Open Document Open Filing Jun 20, 2025 333-287963
S-1 Open Document | Data Open Filing S-1 Jun 11, 2025 333-287963
DEFA14A Open Document Open Filing DEFA14A Jun 11, 2025 001-40023
DEF 14A Open Document | Data Open Filing DEF 14A Jun 11, 2025 Jun 11, 2025 001-40023
8-K Open Document | Data Open Filing 8-K Jun 11, 2025 Jun 10, 2025 001-40023
3 Open Document Open Filing Jun 3, 2025 May 7, 2025
SCHEDULE 13G/A Open Document Open Filing Jun 2, 2025 005-32837
PRE 14A Open Document | Data Open Filing PRE 14A May 30, 2025 May 30, 2025 001-40023
3 Open Document Open Filing May 29, 2025 May 8, 2025
D Open Document Open Filing May 28, 2025 021-547407
8-K Open Document | Data Open Filing 8-K May 27, 2025 May 21, 2025 001-40023
D Open Document Open Filing May 27, 2025 021-547250
10-Q Open Document | Data Open Filing 10-Q May 15, 2025 Mar 31, 2025 001-40023
SCHEDULE 13G Open Document Open Filing May 14, 2025 005-32837
8-K Open Document | Data Open Filing 8-K May 13, 2025 May 7, 2025 001-40023
8-K Open Document | Data Open Filing 8-K May 13, 2025 May 12, 2025 001-40023
8-K Open Document | Data Open Filing 8-K May 5, 2025 Apr 29, 2025 001-40023
10-K/A Open Document | Data Open Filing Apr 14, 2025 Dec 31, 2024 001-40023
8-K Open Document | Data Open Filing Apr 4, 2025 Mar 31, 2025 001-40023
424B3 Open Document Open Filing Mar 14, 2025 333-285618
EFFECT Open Document Open Filing Mar 13, 2025 333-285618
CORRESP Open Document Open Filing Mar 11, 2025
UPLOAD Open Document Open Filing Mar 11, 2025 333-285618
D Open Document Open Filing Mar 7, 2025 021-540228
S-3 Open Document Open Filing Mar 6, 2025 333-285618
8-K Open Document | Data Open Filing Feb 26, 2025 Feb 25, 2025 001-40023
RW Open Document Open Filing Feb 24, 2025 333-284032
10-K Open Document | Data Open Filing Feb 21, 2025 Dec 31, 2024 001-40023
S-1/A Open Document Open Filing Feb 7, 2025 333-284032
S-1/A Open Document Open Filing Jan 27, 2025 333-284032
8-K Open Document | Data Open Filing Jan 27, 2025 Jan 27, 2025 001-40023
S-1 Open Document Open Filing Dec 23, 2024 333-284032
8-K Open Document | Data Open Filing Nov 27, 2024 Nov 21, 2024 001-40023
8-K Open Document | Data Open Filing Nov 21, 2024 Nov 18, 2024 001-40023
10-Q Open Document | Data Open Filing Nov 14, 2024 Sep 30, 2024 001-40023
4 Open Document Open Filing Oct 21, 2024 Oct 17, 2024
SCHEDULE 13G/A Open Document Open Filing Oct 17, 2024 005-32837
8-K Open Document | Data Open Filing Sep 16, 2024 Sep 16, 2024 001-40023
10-Q Open Document | Data Open Filing Aug 14, 2024 Jun 30, 2024 001-40023
424B3 Open Document Open Filing Jul 2, 2024 333-280326
EFFECT Open Document Open Filing Jun 28, 2024 333-280326
CORRESP Open Document Open Filing Jun 27, 2024
S-1/A Open Document Open Filing Jun 27, 2024 333-280326
8-K Open Document | Data Open Filing Jun 27, 2024 Jun 27, 2024 001-40023
8-K Open Document | Data Open Filing Jun 26, 2024 Jun 25, 2024 001-40023
UPLOAD Open Document Open Filing Jun 24, 2024 333-280326
S-1 Open Document Open Filing Jun 20, 2024 333-280326
DEFA14A Open Document Open Filing Jun 17, 2024 001-40023
3 Open Document Open Filing Jun 13, 2024 Jun 3, 2024
8-K Open Document | Data Open Filing Jun 7, 2024 Jun 3, 2024 001-40023
SC 13G/A Open Document Open Filing AMENDMENT NO. 17 TO SCHEDULE 13G May 23, 2024 005-32837
424B5 Open Document Open Filing May 23, 2024 333-267870
8-K Open Document | Data Open Filing May 23, 2024 May 21, 2024 001-40023
10-Q Open Document | Data Open Filing May 15, 2024 Mar 31, 2024 001-40023
8-K Open Document | Data Open Filing Apr 30, 2024 Apr 25, 2024 001-40023
ARS Open Document Open Filing Apr 29, 2024 Dec 31, 2023 001-40023
DEFA14A Open Document Open Filing Apr 29, 2024 001-40023
DEF 14A Open Document Open Filing Apr 29, 2024 Apr 29, 2024 001-40023
10-K Open Document | Data Open Filing Mar 26, 2024 Dec 31, 2023 001-40023
SC 13G/A Open Document Open Filing Feb 14, 2024 005-32837
8-K Open Document | Data Open Filing Feb 1, 2024 Feb 1, 2024 001-40023
8-K Open Document | Data Open Filing Dec 21, 2023 Dec 18, 2023 001-40023
8-K Open Document | Data Open Filing Dec 4, 2023 Dec 4, 2023 001-40023
DEFA14A Open Document Open Filing Nov 6, 2023 001-40023
DEFA14A Open Document Open Filing Nov 6, 2023 001-40023
DEF 14A Open Document Open Filing Nov 6, 2023 Nov 6, 2023 001-40023
10-Q Open Document | Data Open Filing Nov 1, 2023 Sep 30, 2023 001-40023
PRE 14A Open Document Open Filing Oct 27, 2023 Oct 27, 2023 001-40023
SC 13G Open Document Open Filing SCHEDULE 13G Sep 19, 2023 005-32837
8-K Open Document | Data Open Filing Aug 22, 2023 Aug 22, 2023 001-40023
4 Open Document Open Filing Aug 15, 2023 Aug 11, 2023
4 Open Document Open Filing Aug 15, 2023 Aug 11, 2023
10-Q Open Document | Data Open Filing Aug 7, 2023 Jun 30, 2023 001-40023
8-K Open Document | Data Open Filing Jul 5, 2023 Jun 28, 2023 001-40023
4 Open Document Open Filing Jun 21, 2023 Jun 16, 2023
10-Q Open Document | Data Open Filing May 15, 2023 Mar 31, 2023 001-40023
DEFA14A Open Document Open Filing May 5, 2023 001-40023
DEFR14A Open Document Open Filing May 5, 2023 001-40023
3 Open Document Open Filing May 4, 2023 May 1, 2023
8-K Open Document | Data Open Filing May 4, 2023 May 1, 2023 001-40023
DEF 14A Open Document Open Filing May 1, 2023 May 1, 2023 001-40023
4 Open Document Open Filing Apr 11, 2023 Apr 11, 2023
4 Open Document Open Filing Apr 10, 2023 Apr 6, 2023
10-K Open Document | Data Open Filing Mar 30, 2023 Dec 31, 2022 001-40023
8-K Open Document | Data Open Filing Feb 28, 2023 Feb 22, 2023 001-40023
SC 13G Open Document Open Filing Feb 14, 2023 005-32837
4 Open Document Open Filing Feb 1, 2023 Jan 27, 2023
4 Open Document Open Filing Feb 1, 2023 Jan 27, 2023
4 Open Document Open Filing Feb 1, 2023 Jan 27, 2023
4 Open Document Open Filing Feb 1, 2023 Jan 27, 2023
8-K Open Document | Data Open Filing Jan 4, 2023 Dec 30, 2022 001-40023
424B5 Open Document Open Filing Jan 4, 2023 333-267870
8-K Open Document | Data Open Filing Dec 13, 2022 Dec 8, 2022 001-40023
8-K Open Document | Data Open Filing Nov 9, 2022 Nov 3, 2022 001-40023
10-Q Open Document | Data Open Filing Oct 31, 2022 Sep 30, 2022 001-40023
EFFECT Open Document Open Filing Oct 20, 2022 333-267870
UPLOAD Open Document Open Filing Oct 19, 2022
CORRESP Open Document Open Filing Oct 18, 2022
S-3 Open Document Open Filing Oct 13, 2022 333-267870
8-K Open Document | Data Open Filing Oct 12, 2022 Oct 10, 2022 001-40023
DEFA14A Open Document Open Filing Oct 4, 2022 001-40023
8-K Open Document | Data Open Filing Oct 4, 2022 Oct 4, 2022 001-40023
8-K Open Document | Data Open Filing Aug 30, 2022 Aug 24, 2022 001-40023
8-K/A Open Document | Data Open Filing Aug 17, 2022 Jun 8, 2022 001-40023
DEF 14A Open Document Open Filing Aug 17, 2022 Aug 17, 2022 001-40023
10-Q Open Document | Data Open Filing Aug 15, 2022 Jun 30, 2022 001-40023
S-8 Open Document Open Filing Jul 25, 2022 333-266316
4 Open Document Open Filing Jul 19, 2022 Jul 15, 2022
4 Open Document Open Filing Jul 19, 2022 Jul 15, 2022
4 Open Document Open Filing Jul 19, 2022 Jul 15, 2022
4 Open Document Open Filing Jul 19, 2022 Jul 15, 2022
4 Open Document Open Filing Jul 19, 2022 Jul 15, 2022
4 Open Document Open Filing Jul 19, 2022 Jul 15, 2022
3 Open Document Open Filing Jun 14, 2022 Jun 9, 2022
8-K Open Document | Data Open Filing Jun 14, 2022 Jun 8, 2022 001-40023
8-K Open Document | Data Open Filing Jun 10, 2022 Jun 9, 2022 001-40023
10-Q Open Document | Data Open Filing May 16, 2022 Mar 31, 2022 001-40023
DEF 14A Open Document Open Filing Apr 29, 2022 Apr 29, 2022 001-40023
PRE 14A Open Document Open Filing Apr 19, 2022 Apr 19, 2022 001-40023
10-K Open Document | Data Open Filing Mar 28, 2022 Dec 31, 2021 001-40023
8-K Open Document | Data Open Filing Mar 8, 2022 Mar 2, 2022 001-40023
SC 13G/A Open Document Open Filing AMENDMENT NO. 16 Mar 3, 2022 005-32837
3 Open Document Open Filing PRIMARY DOCUMENT Feb 18, 2022 Feb 14, 2022
8-K Open Document | Data Open Filing FORM 8-K Feb 18, 2022 Feb 14, 2022 001-40023
4 Open Document Open Filing FORM 4 Feb 14, 2022 Feb 16, 2021
4 Open Document Open Filing PRIMARY DOCUMENT Feb 14, 2022 Feb 16, 2021
4 Open Document Open Filing PRIMARY DOCUMENT Feb 14, 2022 Dec 31, 2021
3 Open Document Open Filing FORM 3 Feb 14, 2022 Nov 11, 2020
3 Open Document Open Filing PRIMARY DOCUMENT Feb 14, 2022 Nov 28, 2021
3 Open Document Open Filing PRIMARY DOCUMENT Feb 14, 2022 Jan 13, 2021
SC 13G/A Open Document Open Filing Jan 28, 2022 005-32837
UPLOAD Open Document Open Filing Jan 26, 2022
SC 13G/A Open Document Open Filing AMENDMENT NO. 6 TO SCHEDULE 13G Jan 18, 2022 005-32837
CORRESP Open Document Open Filing Dec 29, 2021
10-Q/A Open Document | Data Open Filing PRIMARY DOCUMENT Dec 29, 2021 Jun 30, 2021 001-40023
8-K Open Document | Data Open Filing PRIMARY DOCUMENT Dec 23, 2021 Dec 22, 2021 001-40023
8-K Open Document | Data Open Filing PRIMARY DOCUMENT Dec 21, 2021 Dec 15, 2021 001-40023
UPLOAD Open Document Open Filing Dec 15, 2021
8-K Open Document | Data Open Filing PRIMARY DOCUMENT Nov 26, 2021 Nov 23, 2021 001-40023
4 Open Document Open Filing PRIMARY DOCUMENT Nov 12, 2021 Feb 16, 2021
3 Open Document Open Filing PRIMARY DOCUMENT Nov 12, 2021 Jan 13, 2021
10-Q Open Document | Data Open Filing FORM 10-Q Nov 10, 2021 Sep 30, 2021 001-40023
8-K Open Document | Data Open Filing PRIMARY DOCUMENT Nov 1, 2021 Nov 1, 2021 001-40023
4 Open Document Open Filing FORM 4 Oct 7, 2021 Nov 16, 2020
3 Open Document Open Filing PRIMARY DOCUMENT Oct 7, 2021 Nov 11, 2020
8-K Open Document | Data Open Filing CURRENT REPORT Sep 23, 2021 Sep 17, 2021 001-40023
8-K Open Document | Data Open Filing CURRENT REPORT Sep 13, 2021 Sep 13, 2021 001-40023
10-Q Open Document | Data Open Filing FORM 10-Q Aug 23, 2021 Jun 30, 2021 001-40023
NT 10-Q Open Document Open Filing NT 10-Q Aug 17, 2021 Jun 30, 2021 001-40023
8-K Open Document Open Filing CURRENT REPORT May 19, 2021 May 19, 2021 001-40023
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 17, 2021 Mar 31, 2021 001-40023
8-K Open Document Open Filing CURRENT REPORT Apr 29, 2021 Apr 23, 2021 001-40023
EFFECT Open Document Open Filing Apr 27, 2021 333-255429
UPLOAD Open Document Open Filing Apr 23, 2021
CORRESP Open Document Open Filing Apr 23, 2021
EFFECT Open Document Open Filing Apr 22, 2021 333-251311
S-1 Open Document Open Filing FORM S-1 Apr 22, 2021 333-255429
POS AM Open Document Open Filing POS AM Apr 22, 2021 333-251311
10-K Open Document | Data Open Filing ANNUAL REPORT Apr 16, 2021 Dec 31, 2020 001-40023
8-K Open Document Open Filing CURRENT REPORT Apr 16, 2021 Apr 14, 2021 001-40023
SC 13G/A Open Document Open Filing Apr 16, 2021 005-32837
NT 10-K Open Document Open Filing NT 10-K Mar 31, 2021 Dec 31, 2020 001-40023
8-K Open Document Open Filing CURRENT REPORT Feb 22, 2021 Feb 16, 2021 001-40023
8-K Open Document Open Filing CURRENT REPORT Feb 18, 2021 Feb 17, 2021 001-40023
SC 13G Open Document Open Filing Feb 17, 2021 005-32837
8-K Open Document Open Filing CURRENT REPORT Feb 17, 2021 Feb 16, 2021 001-40023
424B4 Open Document Open Filing 424B4 Feb 12, 2021 333-251311
8-K Open Document Open Filing CURRENT REPORT Feb 11, 2021 Feb 10, 2021 001-40023
EFFECT Open Document Open Filing Feb 10, 2021 333-251311
S-1MEF Open Document Open Filing S-1MEF Feb 10, 2021 333-252973
CERT Open Document Open Filing Feb 10, 2021 001-40023
CORRESP Open Document Open Filing Feb 9, 2021
S-1/A Open Document | Data Open Filing S-1/A Feb 9, 2021 333-251311
8-K Open Document Open Filing CURRENT REPORT Feb 9, 2021 Dec 14, 2020 001-40023
SC 13G/A Open Document Open Filing AMENDMENT NO. 15 Feb 8, 2021 005-32837
8-A12B Open Document Open Filing 8-A12B Feb 8, 2021 001-40023
CORRESP Open Document Open Filing Feb 8, 2021
S-1/A Open Document | Data Open Filing AMENDMENT NO 2 Feb 8, 2021 333-251311
SC 13G/A Open Document Open Filing AMENDMENT NO. 5 TO SCHEDULE 13G Feb 5, 2021 005-32837
S-1/A Open Document | Data Open Filing AMENDMENT NO 1 Feb 2, 2021 333-251311
8-K Open Document Open Filing CURRENT REPORT Feb 2, 2021 Jan 31, 2021 000-08092
8-K Open Document Open Filing CURRENT REPORT Jan 19, 2021 Jan 13, 2021 000-08092
DEF 14C Open Document Open Filing PRIMARY DOCUMENT Jan 14, 2021 Dec 30, 2020 000-08092
8-K Open Document Open Filing CURRENT REPORT Dec 31, 2020 Dec 28, 2020 000-08092
PRE 14C Open Document Open Filing PRE 14C Dec 30, 2020 Dec 30, 2020 000-08092
8-K Open Document Open Filing CURRENT REPORT Dec 28, 2020 Dec 22, 2020 000-08092
4 Open Document Open Filing PRIMARY DOCUMENT Dec 23, 2020 Dec 21, 2020
8-K Open Document Open Filing CURRENT REPORT Dec 23, 2020 Dec 22, 2020 000-08092
4 Open Document Open Filing PRIMARY DOCUMENT Dec 18, 2020 Dec 16, 2020
UPLOAD Open Document Open Filing Dec 16, 2020
4 Open Document Open Filing PRIMARY DOCUMENT Dec 15, 2020 Dec 11, 2020
S-1 Open Document | Data Open Filing FORM S-1 Dec 11, 2020 333-251311
424B3 Open Document Open Filing 424B3 Nov 19, 2020 333-239858
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 13, 2020 Sep 30, 2020 000-08092
424B3 Open Document Open Filing PRIMARY DOCUMENT Nov 9, 2020 333-239858
8-K Open Document Open Filing CURRENT REPORT Nov 9, 2020 Nov 6, 2020 000-08092
424B3 Open Document Open Filing 424B3 Nov 4, 2020 333-239858
8-K Open Document Open Filing CURRENT REPORT Nov 4, 2020 Nov 4, 2020 000-08092
424B3 Open Document Open Filing 424B3 Oct 7, 2020 333-239858
8-K Open Document Open Filing CURRENT REPORT Oct 6, 2020 Oct 5, 2020 000-08092
424B3 Open Document Open Filing 424B3 Sep 22, 2020 333-239858
8-K Open Document Open Filing CURRENT REPORT Sep 22, 2020 Sep 16, 2020 000-08092
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT Aug 18, 2020 333-239858
10-Q/A Open Document | Data Open Filing AMENDED QUARTERLY REPORT Aug 18, 2020 Jun 30, 2020 000-08092
424B3 Open Document Open Filing 424B3 Aug 14, 2020 333-239858
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 14, 2020 Jun 30, 2020 000-08092
424B3 Open Document Open Filing PRIMARY DOCUMENT Jul 30, 2020 333-239858
EFFECT Open Document Open Filing Jul 28, 2020 333-239858
CORRESP Open Document Open Filing Jul 24, 2020
D/A Open Document Open Filing Jul 23, 2020 021-368883
UPLOAD Open Document Open Filing Jul 22, 2020
S-1 Open Document | Data Open Filing REGISTRATION STATEMENT Jul 14, 2020 333-239858
8-K Open Document Open Filing CURRENT REPORT Jul 9, 2020 Jul 7, 2020 000-08092
8-K Open Document Open Filing CURRENT REPORT Jun 23, 2020 Jun 23, 2020 000-08092
8-K Open Document Open Filing CURRENT REPORT Jun 19, 2020 Jun 19, 2020 000-08092
D Open Document Open Filing Jun 12, 2020 021-368883
SC 13G Open Document Open Filing SCHEDULE 13G Jun 10, 2020 005-32837
4 Open Document Open Filing PRIMARY DOCUMENT Jun 4, 2020 Jun 2, 2020
8-K Open Document Open Filing CURRENT REPORT May 29, 2020 May 29, 2020 000-08092
SC 13G/A Open Document Open Filing AMENDMENT NO. 13 May 18, 2020 005-32837
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 15, 2020 Mar 31, 2020 000-08092
4 Open Document Open Filing PRIMARY DOCUMENT May 14, 2020 May 13, 2020
10-K Open Document | Data Open Filing ANNUAL REPORT Mar 27, 2020 Dec 31, 2019 000-08092
SC 13G/A Open Document Open Filing AMENDMENT NO. 12 Feb 4, 2020 005-32837
SC 13G/A Open Document Open Filing AMENDMENT NO. 4 TO SCHEDULE 13G Jan 16, 2020 005-32837
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 14, 2019 Sep 30, 2019 000-08092
EFFECT Open Document Open Filing Oct 2, 2019 333-233748
CORRESP Open Document Open Filing Sep 26, 2019
8-K Open Document Open Filing CURRENT REPORT Sep 24, 2019 Sep 19, 2019 000-08092
UPLOAD Open Document Open Filing Sep 20, 2019
S-1 Open Document | Data Open Filing REGISTRATION STATEMENT Sep 13, 2019 333-233748
8-K Open Document Open Filing CURRENT REPORT Aug 23, 2019 Aug 20, 2019 000-08092
4 Open Document Open Filing PRIMARY DOCUMENT Aug 16, 2019 Aug 14, 2019
4 Open Document Open Filing PRIMARY DOCUMENT Aug 16, 2019 Aug 14, 2019
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 14, 2019 Jun 30, 2019 000-08092
EFFECT Open Document Open Filing Jul 12, 2019 333-232261
S-1/A Open Document Open Filing AMENDED REGISTRATION STATEMENT Jul 11, 2019 333-232261
CORRESP Open Document Open Filing Jul 8, 2019
UPLOAD Open Document Open Filing Jul 2, 2019
S-1 Open Document | Data Open Filing REGISTRATION STATEMENT Jun 21, 2019 333-232261
8-K Open Document Open Filing GTBP 8K ISSUANCE OF NOTES May 24, 2019 May 22, 2019 000-08092
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 15, 2019 Mar 31, 2019 000-08092
8-K Open Document Open Filing GTBP 8-K ITEM 3.02 Apr 19, 2019 Apr 19, 2019 000-08092
8-K Open Document Open Filing GTBP 8-K FILING OF CERTIFICATE OF DESIGNATION Apr 5, 2019 Apr 4, 2019 000-08092
10-K Open Document | Data Open Filing ANNUAL REPORT Mar 29, 2019 Dec 31, 2018 000-08092
8-K Open Document Open Filing GTBP 8-K RESIGNATION OF DIRECTORS AND APPOINTMENT OF CFO Mar 22, 2019 Mar 20, 2019 000-08092
8-K Open Document Open Filing GTBP 8-K ITEM 5.02 Mar 21, 2019 Mar 15, 2019 000-08092
4 Open Document Open Filing PRIMARY DOCUMENT Mar 19, 2019 Feb 1, 2019
EFFECT Open Document Open Filing Mar 11, 2019 333-229667
CORRESP Open Document Open Filing Mar 5, 2019
UPLOAD Open Document Open Filing Feb 28, 2019
S-3 Open Document Open Filing REGISTRATION STATEMENT Feb 14, 2019 333-229667
SC 13G/A Open Document Open Filing AMENDMENT NO. 3 TO SCHEDULE 13G Feb 13, 2019 005-32837
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT Feb 13, 2019 333-223349
4 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2019 Feb 6, 2019
SC 13G/A Open Document Open Filing SCHEDULE 13G AMENDMENT Feb 12, 2019 005-32837
8-K Open Document Open Filing CURRENT REPORT Feb 6, 2019 Feb 4, 2019 000-08092
SC 13G/A Open Document Open Filing SC 13G/A2 JAMES W HEAVENER Feb 5, 2019 005-32837
SC 13G/A Open Document Open Filing SC 13G/A JAMES W HEAVENER Jan 29, 2019 005-32837
8-K Open Document Open Filing CURRENT REPORT Jan 7, 2019 Jan 7, 2019 000-08092
8-K Open Document Open Filing CURRENT REPORT Jan 7, 2019 Jan 7, 2019 000-08092
8-K Open Document Open Filing CURRENT REPORT Nov 15, 2018 Nov 15, 2018 000-08092
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 14, 2018 Sep 30, 2018 000-08092
8-K Open Document Open Filing CURRENT REPORT Nov 1, 2018 Nov 1, 2018 000-08092
8-K Open Document Open Filing CURRENT REPORT Oct 16, 2018 Oct 11, 2018 000-08092
8-K Open Document Open Filing CURRENT REPORT Oct 12, 2018 Oct 9, 2018 000-08092
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT Oct 9, 2018 333-223349
8-K Open Document Open Filing FORM 8-K Sep 28, 2018 Sep 24, 2018 000-08092
424B3 Open Document Open Filing 424B3 Sep 21, 2018 333-223349
8-K Open Document Open Filing CURRENT REPORT Sep 7, 2018 Sep 7, 2018 000-08092
D Open Document Open Filing Aug 17, 2018 021-319563
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 14, 2018 Jun 30, 2018 000-08092
8-K Open Document Open Filing CURRENT REPORT Aug 3, 2018 Aug 2, 2018 000-08092
424B3 Open Document Open Filing 424B3 Aug 3, 2018 333-223349
8-K Open Document Open Filing CURRENT REPORT Jul 5, 2018 Jul 2, 2018 000-08092
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 15, 2018 Mar 31, 2018 000-08092
8-K Open Document Open Filing CURRENT REPORT May 14, 2018 May 9, 2018 000-08092
8-K Open Document Open Filing CURRENT REPORT Apr 27, 2018 Apr 23, 2018 000-08092
EFFECT Open Document Open Filing Mar 22, 2018 333-223348
EFFECT Open Document Open Filing Mar 22, 2018 333-223349
CORRESP Open Document Open Filing Mar 21, 2018
CORRESP Open Document Open Filing Mar 21, 2018
S-3/A Open Document Open Filing FORM S-3/A Mar 21, 2018 333-223349
S-3/A Open Document Open Filing FORM S-3/A Mar 21, 2018 333-223348
3 Open Document Open Filing PRIMARY DOCUMENT Mar 16, 2018 Nov 16, 2017
S-3/A Open Document Open Filing PRIMARY DOCUMENT Mar 15, 2018 333-223349
CORRESP Open Document Open Filing Mar 15, 2018
S-3/A Open Document Open Filing AMENDMENT TO REGISTRATION STATEMENT Mar 15, 2018 333-223348
8-K/A Open Document Open Filing CURRENT REPORT Mar 15, 2018 Jul 19, 2017 000-08092
UPLOAD Open Document Open Filing Mar 12, 2018
UPLOAD Open Document Open Filing Mar 12, 2018
10-K Open Document | Data Open Filing ANNUAL REPORT Mar 1, 2018 Dec 31, 2017 000-08092
S-3 Open Document Open Filing FORM S-3 Mar 1, 2018 333-223349
S-3 Open Document Open Filing REGISTRATION STATEMENT Mar 1, 2018 333-223348
10-K/A Open Document | Data Open Filing FORM 10-K/A Feb 28, 2018 Dec 31, 2016 000-08092
10-Q/A Open Document | Data Open Filing FORM 10-Q/A Feb 28, 2018 Sep 30, 2016 000-08092
10-Q/A Open Document | Data Open Filing FORM 10-Q/A Feb 28, 2018 Jun 30, 2016 000-08092
10-Q/A Open Document | Data Open Filing FORM 10-Q/A Feb 28, 2018 Mar 31, 2016 000-08092
10-K/A Open Document | Data Open Filing FORM 10-K/A Feb 28, 2018 Dec 31, 2015 000-08092
8-K Open Document Open Filing CURRENT REPORT Feb 21, 2018 Feb 14, 2018 000-08092
SC 13G/A Open Document Open Filing SCHEDULE 13G AMENDMENT Feb 7, 2018 005-32837
D Open Document Open Filing Feb 6, 2018 021-304968
8-K Open Document Open Filing CURRENT REPORT Jan 23, 2018 Jan 22, 2018 000-08092
8-K Open Document Open Filing CURRENT REPORT Jan 16, 2018 Jan 16, 2018 000-08092
SC 13G Open Document Open Filing SCHEDULE 13G MARK J SILVERMAN Dec 4, 2017 005-32837
4 Open Document Open Filing PRIMARY DOCUMENT Dec 1, 2017 Sep 1, 2017
3 Open Document Open Filing PRIMARY DOCUMENT Dec 1, 2017 Sep 1, 2017
3 Open Document Open Filing PRIMARY DOCUMENT Dec 1, 2017 Sep 1, 2017
4 Open Document Open Filing PRIMARY DOCUMENT Dec 1, 2017 Sep 1, 2017
3 Open Document Open Filing PRIMARY DOCUMENT Dec 1, 2017 Sep 1, 2017
8-K Open Document Open Filing PRIMARY DOCUMENT Nov 16, 2017 Nov 16, 2017 000-08092
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 14, 2017 Sep 30, 2017 000-08092
SC 13G Open Document Open Filing THEOREM GROUP LLC 13G FOR GT BIOPHARMA, INC. Nov 14, 2017 005-32837
8-K Open Document Open Filing CURRENT REPORT Oct 12, 2017 Oct 10, 2017 000-08092
SC 13G/A Open Document Open Filing AMENDMENT NO. 9 Oct 10, 2017 005-32837
SC 13G/A Open Document Open Filing AMENDMENT NO. 2 TO SCHEDULE 13G Sep 20, 2017 005-32837
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8-K Open Document Open Filing CURRENT REPORT Sep 5, 2017 Sep 1, 2017 000-08092
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 11, 2017 Jun 30, 2017 000-08092
8-K Open Document | Data Open Filing GT BIOPHARMA 8-K Jul 25, 2017 Jul 17, 2017 000-08092
RW Open Document Open Filing OXIS WITHDRAWAL OF REGISTRATION STATEMENT Jul 24, 2017 333-213270
8-K Open Document Open Filing PRIMARY DOCUMENT Jun 26, 2017 Jun 26, 2017 000-08092
DEF 14C Open Document Open Filing OXIS DEF 14C May 12, 2017 May 12, 2017 000-08092
UPLOAD Open Document Open Filing May 9, 2017
PRER14C Open Document Open Filing OXIS PRE14C REVISION 3 May 5, 2017 000-08092
10-Q Open Document | Data Open Filing QUARTERLY REPORT Apr 28, 2017 Mar 31, 2017 000-08092
PRER14C Open Document Open Filing OXIS PRE 14C REVISION 2 Apr 24, 2017 000-08092
UPLOAD Open Document Open Filing Apr 20, 2017
PRER14C Open Document Open Filing OXIS REVISED PRE 14C Apr 14, 2017 000-08092
UPLOAD Open Document Open Filing Apr 6, 2017
8-K Open Document Open Filing OXIS 8-K ITEM 8.01 Apr 3, 2017 Apr 3, 2017 000-08092
10-K Open Document | Data Open Filing ANNUAL REPORT Mar 31, 2017 Dec 31, 2016 000-08092
PRE 14C Open Document Open Filing OXIS PRE 14C TO EFFECT REVERSE SPLIT AND INCREASE AUTHORIZED SHARES Mar 24, 2017 Mar 24, 2017 000-08092
8-K Open Document Open Filing OXIS 8K ISSUANCE OF STOCK Mar 23, 2017 Mar 20, 2017 000-08092
8-K Open Document Open Filing OXIS 8-K STOCK ISSUANCE Mar 2, 2017 Feb 24, 2017 000-08092
8-K Open Document Open Filing OXIS 8-K ISSUANCE OF SECURITIES Feb 17, 2017 Feb 14, 2017 000-08092
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13G Feb 13, 2017 005-32837
S-1/A Open Document Open Filing OXIS S-1 AMENDMENT NO. 7 Feb 10, 2017 333-213270
SC 13G/A Open Document Open Filing SC 13G/A Feb 10, 2017 005-32837
8-K Open Document Open Filing OXIS 8-K ISSUANCE OF UNREGISTERED SHARES Feb 9, 2017 Feb 3, 2017 000-08092
8-K Open Document Open Filing OXIS 8-K ISSUANCE OF STOCK Feb 3, 2017 Jan 31, 2017 000-08092
8-K Open Document Open Filing OXIS 8-K ISSUANCE OF STOCK Jan 27, 2017 Jan 24, 2017 000-08092
S-1/A Open Document Open Filing OXIS S-1 AMENDMENT 6 Jan 24, 2017 333-213270
8-K Open Document Open Filing OXIS 8-K ISSUANCE OF UNREGISTERED SECURITIES Jan 20, 2017 Jan 17, 2017 000-08092
8-K Open Document Open Filing OXIS 8-K ISSUANCE OF DEBENTURES Jan 13, 2017 Jan 12, 2017 000-08092
S-1/A Open Document Open Filing OXIS S-1 AMENDMENT NO. 5 Dec 28, 2016 333-213270
S-1/A Open Document | Data Open Filing OXIS S-1 AMENDMENT NO. 4 Nov 21, 2016 333-213270
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 14, 2016 Sep 30, 2016 000-08092
S-1/A Open Document Open Filing OXIS S-1 AMENDMENT NO. 3 Oct 31, 2016 333-213270
S-1/A Open Document | Data Open Filing OXIS S-1 AMENDMENT NO. 2 Oct 3, 2016 333-213270
S-1/A Open Document Open Filing OXIS S-1 AMENDMENT NO. 1 Aug 25, 2016 333-213270
S-1 Open Document Open Filing OXIS FORM S-1 Aug 24, 2016 333-213270
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 10, 2016 Jun 30, 2016 000-08092
8-K Open Document Open Filing OXIS 8-K ISSUANCE OF DEBENTURE Aug 9, 2016 Aug 9, 2016 000-08092
8-K Open Document Open Filing CURRENT REPORT Jun 17, 2016 Jun 13, 2016 000-08092
8-K Open Document Open Filing CURRENT REPORT Jun 3, 2016 May 27, 2016 000-08092
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 13, 2016 Mar 31, 2016 000-08092
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 5, 2016 Apr 4, 2016
SC 13G/A Open Document Open Filing AMENDMENT NO. 7 Apr 5, 2016 005-32837
10-K Open Document | Data Open Filing ANNUAL REPORT Mar 30, 2016 Dec 31, 2015 000-08092
3 Open Document Open Filing OWNERSHIP DOCUMENT Mar 2, 2016 Feb 9, 2016
3 Open Document Open Filing PRIMARY DOCUMENT Feb 23, 2016 Jan 25, 2016
8-K Open Document Open Filing OXIS 8-K AMENDMENT OF NOTE CONVERSION AGREEMENT Feb 19, 2016 Feb 19, 2016 000-08092
SC 13G Open Document Open Filing NONE Feb 18, 2016 005-32837
3 Open Document Open Filing PRIMARY DOCUMENT Feb 12, 2016 Jan 25, 2016
SC 13G Open Document Open Filing NONE Feb 9, 2016 005-32837
SC 13G Open Document Open Filing SCHEDULE 13G Jan 26, 2016 005-32837
SC 13D/A Open Document Open Filing AMENDED SCHEDULE 13D Jan 26, 2016 005-32837
3 Open Document Open Filing FORM 3 Jan 25, 2016 Jan 13, 2016
SC 13G/A Open Document Open Filing SCHEDULE 13G AMENDMENT Jan 25, 2016 005-32837
8-K Open Document Open Filing OXIS 8-K SALE OF UNREGISTERED SECURITIES Jan 22, 2016 Jan 19, 2016 000-08092
8-K Open Document Open Filing CURRENT REPORT Jan 8, 2016 Jan 8, 2016 000-08092
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 13, 2015 Sep 30, 2015 000-08092
8-K Open Document Open Filing CURRENT REPORT Oct 26, 2015 Oct 26, 2015 000-08092
8-K Open Document Open Filing OXIS 8-K DR. VALLERA LICENSE Sep 8, 2015 Sep 3, 2015 000-08092
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 14, 2015 Jun 30, 2015 000-08092
D Open Document Open Filing Jul 27, 2015 021-244451
DEF 14C Open Document Open Filing OXIS DEF 14C May 19, 2015 May 19, 2015 000-08092
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 14, 2015 Mar 31, 2015 000-08092
PRE 14C Open Document Open Filing OXIS PRE 14C May 8, 2015 May 8, 2015 000-08092
10-K Open Document | Data Open Filing OXIS INTERNATIONAL ANNUAL REPORT 2014 Mar 31, 2015 Dec 31, 2014 000-08092
D Open Document Open Filing Mar 16, 2015 021-235943
8-K Open Document Open Filing OXIS 8-K FILED MARCH 13, 2015 Mar 13, 2015 Mar 10, 2015 000-08092
SC 13G/A Open Document Open Filing SCHEDULE 13G AMENDMENT Feb 11, 2015 005-32837
8-K Open Document Open Filing OXIS 8-K ACQUISITION OF XIE ASSETS BY SUB Jan 12, 2015 Jan 12, 2015 000-08092
10-Q Open Document | Data Open Filing OXIS INTERNATIONAL QUARTERLY REPORT Jan 8, 2015 Sep 30, 2014 000-08092
10-Q Open Document | Data Open Filing OXIS INTERNATIONAL QUARTERLY REPORT Jan 8, 2015 Jun 30, 2014 000-08092
10-Q Open Document | Data Open Filing OXIS INTERNATIONAL QUARTERLY REPORT Jan 8, 2015 Mar 31, 2014 000-08092
10-K Open Document | Data Open Filing OXIS INTERNATIONAL ANNUAL REPORT Jan 8, 2015 Dec 31, 2013 000-08092
10-Q Open Document | Data Open Filing OXIS INTERNATIONAL QUARTERLY REPORT Dec 17, 2014 Sep 30, 2013 000-08092
10-Q Open Document | Data Open Filing OXIS INTERNATIONAL QUARTERLY REPORT Dec 12, 2014 Jun 30, 2013 000-08092
10-Q Open Document | Data Open Filing OXIS INTERNATIONAL QUARTERLY REPORT Dec 10, 2014 Mar 31, 2013 000-08092
8-K Open Document Open Filing OXIS 8-K DEPARTURE AND APPOINTMENT OF OFFICERS Nov 20, 2014 Nov 20, 2014 000-08092
10-K Open Document | Data Open Filing OXIS INTERNATIONAL, INC. ANNUAL REPORT 2012 Nov 18, 2014 Dec 31, 2012 000-08092
8-K Open Document Open Filing OXIS 8K ISSUANCE OF DEBENTURES AND ELECTION OF DIR AND CFO Nov 10, 2014 Nov 4, 2014 000-08092
D Open Document Open Filing Jul 31, 2014 021-222096
8-K Open Document Open Filing OXIS INTERNATIONAL, INC. CURRENT REPORT Jul 30, 2014 Jul 24, 2014 000-08092