GT Biopharma, Inc. — 3 Filings
43 3 filings on record
This page lists all 3 filings submitted to the SEC by GT Biopharma, Inc. (GTBP), sorted by most recent first. Each row links to the full filing on EdgarLookup. GT Biopharma, Inc. has filed 43 3 documents with the SEC since 1995. To view all SEC filings by GT Biopharma, Inc., see the full filings list.
All
10-C
10-K
10-K/A
10-K405
10-Q
10-Q/A
10KSB
10KSB/A
10QSB
10QSB/A
3
3/A
4
4/A
424B3
424B4
424B5
5
8-A12B
8-K
8-K/A
ARS
CERT
CORRESP
D
D/A
DEF 14A
DEF 14C
DEFA14A
DEFR14A
EFFECT
NT 10-K
NT 10-K/A
NT 10-Q
POS AM
PRE 14A
PRE 14C
PRER14A
PRER14C
REGDEX
RW
S-1
S-1/A
S-1MEF
S-3
S-3/A
S-8
SB-2
SB-2/A
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC 14F1
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 3 | — | 0001641172-25-021546 | Jul 30, 2025 | Jun 10, 2025 |
| 3 | — | 0001641172-25-013435 | Jun 3, 2025 | May 7, 2025 |
| 3 | — | 0001641172-25-012862 | May 29, 2025 | May 8, 2025 |
| 3 | — | 0001493152-24-023692 | Jun 13, 2024 | Jun 3, 2024 |
| 3 | — | 0001493152-23-015482 | May 4, 2023 | May 1, 2023 |
| 3 | — | 0001493152-22-016676 | Jun 14, 2022 | Jun 9, 2022 |
| 3 | PRIMARY DOCUMENT | 0001654954-22-001862 | Feb 18, 2022 | Feb 14, 2022 |
| 3 | FORM 3 | 0001654954-22-001629 | Feb 14, 2022 | Nov 11, 2020 |
| 3 | PRIMARY DOCUMENT | 0001654954-22-001627 | Feb 14, 2022 | Nov 28, 2021 |
| 3 | PRIMARY DOCUMENT | 0001654954-22-001625 | Feb 14, 2022 | Jan 13, 2021 |
| 3 | PRIMARY DOCUMENT | 0001654954-21-012056 | Nov 12, 2021 | Jan 13, 2021 |
| 3 | PRIMARY DOCUMENT | 0001654954-21-010885 | Oct 7, 2021 | Nov 11, 2020 |
| 3 | PRIMARY DOCUMENT | 0001654954-18-002717 | Mar 16, 2018 | Nov 16, 2017 |
| 3 | PRIMARY DOCUMENT | 0000939798-17-000101 | Dec 1, 2017 | Sep 1, 2017 |
| 3 | PRIMARY DOCUMENT | 0000939798-17-000100 | Dec 1, 2017 | Sep 1, 2017 |
| 3 | PRIMARY DOCUMENT | 0000939798-17-000098 | Dec 1, 2017 | Sep 1, 2017 |
| 3 | OWNERSHIP DOCUMENT | 0001019687-16-005313 | Mar 2, 2016 | Feb 9, 2016 |
| 3 | PRIMARY DOCUMENT | 0000939798-16-000112 | Feb 23, 2016 | Jan 25, 2016 |
| 3 | PRIMARY DOCUMENT | 0000939798-16-000107 | Feb 12, 2016 | Jan 25, 2016 |
| 3 | FORM 3 | 0001019687-16-004924 | Jan 25, 2016 | Jan 13, 2016 |
| 3 | PRIMARY DOCUMENT | 0001513160-11-000041 | Jul 11, 2011 | Jun 30, 2011 |
| 3 | PRIMARY DOCUMENT | 0001513160-11-000040 | Jul 7, 2011 | Jun 27, 2011 |
| 3 | PRIMARY DOCUMENT | 0000109657-11-000009 | Feb 8, 2011 | Jul 1, 2010 |
| 3 | PRIMARY DOCUMENT | 0000109657-10-000023 | Apr 6, 2010 | Mar 29, 2010 |
| 3 | PRIMARY DOCUMENT | 0000109657-10-000017 | Mar 25, 2010 | Oct 13, 2009 |
| 3 | PRIMARY DOCUMENT | 0000109657-10-000016 | Mar 25, 2010 | Oct 23, 2009 |
| 3 | PRIMARY DOCUMENT | 0000109657-10-000015 | Mar 22, 2010 | Mar 11, 2010 |
| 3 | PRIMARY DOCUMENT | 0000109657-10-000014 | Mar 22, 2010 | Mar 11, 2010 |
| 3 | PRIMARY DOCUMENT | 0000109657-07-000001 | Jan 19, 2007 | Jan 11, 2007 |
| 3 | PRIMARY DOCUMENT | 0000109657-06-000002 | Mar 23, 2006 | Mar 15, 2006 |
| 3 | — | 0001181431-06-002743 | Jan 10, 2006 | Jan 6, 2006 |
| 3 | — | 0001181431-05-055943 | Oct 7, 2005 | Oct 5, 2005 |
| 3 | FORM 3 | 0001181431-05-013788 | Mar 2, 2005 | Feb 28, 2005 |
| 3 | — | 0001181431-04-041263 | Aug 23, 2004 | Aug 20, 2004 |
| 3 | FORM 3 | 0001181431-04-036845 | Jul 23, 2004 | Jun 22, 2004 |
| 3 | COLIN NEILL FORM 3 | 0001181431-04-022297 | Apr 26, 2004 | Apr 25, 2004 |
| 3 | GERALD V FORM 3 | 0001181431-04-022296 | Apr 26, 2004 | Apr 25, 2004 |
| 3 | STEVE FERRIS FORM 3 | 0001181431-04-022295 | Apr 26, 2004 | Apr 25, 2004 |
| 3 | GOSSE FORM 3 | 0001181431-04-022294 | Apr 26, 2004 | Apr 25, 2004 |
| 3 | FORM 3 | 0001169232-04-000217 | Jan 20, 2004 | Jan 15, 2004 |
| 3 | INITIAL STATEMENT OF OWNERSHIP OF SECURITIES | 0001099910-02-000089 | Mar 22, 2002 | Mar 1, 2002 |
| 3 | INITIAL STATEMENT OF OWNERSHIP OF SECURITIES | 0001099910-02-000088 | Mar 22, 2002 | Mar 1, 2002 |
| 3 | INITIAL STATEMENT OF OWNERSHIP | 0001099910-02-000087 | Mar 22, 2002 | Mar 1, 2002 |