GT Biopharma, Inc. — 4 Filings
102 4 filings on record
This page lists all 4 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 102 4 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 |
|---|---|---|---|---|
| 4 | — | 0001641172-25-026890 | Sep 8, 2025 | Sep 4, 2025 |
| 4 | — | 0001641172-25-026893 | Sep 8, 2025 | Sep 4, 2025 |
| 4 | — | 0001641172-25-026894 | Sep 8, 2025 | Sep 4, 2025 |
| 4 | — | 0001641172-25-026892 | Sep 8, 2025 | Sep 4, 2025 |
| 4 | — | 0001641172-25-026891 | Sep 8, 2025 | Sep 4, 2025 |
| 4 | — | 0001493152-24-041855 | Oct 21, 2024 | Oct 17, 2024 |
| 4 | — | 0001493152-23-029059 | Aug 15, 2023 | Aug 11, 2023 |
| 4 | — | 0001493152-23-029061 | Aug 15, 2023 | Aug 11, 2023 |
| 4 | — | 0001493152-23-022059 | Jun 21, 2023 | Jun 16, 2023 |
| 4 | — | 0001493152-23-011888 | Apr 11, 2023 | — |
| 4 | — | 0001493152-23-011772 | Apr 10, 2023 | Apr 6, 2023 |
| 4 | — | 0001493152-23-003226 | Feb 1, 2023 | Jan 27, 2023 |
| 4 | — | 0001493152-23-003227 | Feb 1, 2023 | Jan 27, 2023 |
| 4 | — | 0001493152-23-003224 | Feb 1, 2023 | Jan 27, 2023 |
| 4 | — | 0001493152-23-003230 | Feb 1, 2023 | Jan 27, 2023 |
| 4 | — | 0001493152-22-019872 | Jul 19, 2022 | Jul 15, 2022 |
| 4 | — | 0001493152-22-019875 | Jul 19, 2022 | Jul 15, 2022 |
| 4 | — | 0001493152-22-019876 | Jul 19, 2022 | Jul 15, 2022 |
| 4 | — | 0001493152-22-019871 | Jul 19, 2022 | Jul 15, 2022 |
| 4 | — | 0001493152-22-019873 | Jul 19, 2022 | Jul 15, 2022 |
| 4 | — | 0001493152-22-019874 | Jul 19, 2022 | Jul 15, 2022 |
| 4 | FORM 4 | 0001654954-22-001643 | Feb 14, 2022 | Feb 16, 2021 |
| 4 | PRIMARY DOCUMENT | 0001654954-22-001631 | Feb 14, 2022 | Dec 31, 2021 |
| 4 | PRIMARY DOCUMENT | 0001654954-22-001635 | Feb 14, 2022 | Feb 16, 2021 |
| 4 | PRIMARY DOCUMENT | 0001654954-21-012057 | Nov 12, 2021 | Feb 16, 2021 |
| 4 | FORM 4 | 0001654954-21-010887 | Oct 7, 2021 | Nov 16, 2020 |
| 4 | PRIMARY DOCUMENT | 0001356710-20-000003 | Dec 23, 2020 | Dec 21, 2020 |
| 4 | PRIMARY DOCUMENT | 0001356710-20-000002 | Dec 18, 2020 | Dec 16, 2020 |
| 4 | PRIMARY DOCUMENT | 0001356710-20-000001 | Dec 15, 2020 | Dec 11, 2020 |
| 4 | PRIMARY DOCUMENT | 0000939798-20-000007 | Jun 4, 2020 | Jun 2, 2020 |
| 4 | PRIMARY DOCUMENT | 0000939798-20-000006 | May 14, 2020 | May 13, 2020 |
| 4 | PRIMARY DOCUMENT | 0000939798-19-000031 | Aug 16, 2019 | Aug 14, 2019 |
| 4 | PRIMARY DOCUMENT | 0000939798-19-000030 | Aug 16, 2019 | Aug 14, 2019 |
| 4 | PRIMARY DOCUMENT | 0000939798-19-000008 | Mar 19, 2019 | Feb 1, 2019 |
| 4 | PRIMARY DOCUMENT | 0000939798-19-000005 | Feb 13, 2019 | Feb 6, 2019 |
| 4 | PRIMARY DOCUMENT | 0000939798-17-000099 | Dec 1, 2017 | Sep 1, 2017 |
| 4 | PRIMARY DOCUMENT | 0000939798-17-000102 | Dec 1, 2017 | Sep 1, 2017 |
| 4 | OWNERSHIP DOCUMENT | 0001019687-16-005750 | Apr 5, 2016 | Apr 4, 2016 |
| 4 | PRIMARY DOCUMENT | 0001513160-12-000043 | May 30, 2012 | Mar 1, 2012 |
| 4 | PRIMARY DOCUMENT | 0001513160-11-000056 | Sep 1, 2011 | Aug 31, 2011 |
| 4 | PRIMARY DOCUMENT | 0001513160-11-000026 | May 24, 2011 | May 20, 2011 |
| 4 | PRIMARY DOCUMENT | 0000109657-11-000008 | Jan 19, 2011 | Dec 23, 2010 |
| 4 | PRIMARY DOCUMENT | 0000109657-11-000007 | Jan 19, 2011 | Dec 23, 2010 |
| 4 | PRIMARY DOCUMENT | 0000109657-10-000033 | Sep 2, 2010 | Aug 31, 2010 |
| 4 | PRIMARY DOCUMENT | 0000109657-10-000032 | Aug 30, 2010 | Aug 26, 2010 |
| 4 | PRIMARY DOCUMENT | 0000109657-10-000027 | Jul 12, 2010 | Jul 7, 2010 |
| 4 | PRIMARY DOCUMENT | 0000109657-10-000022 | Apr 6, 2010 | Jan 19, 2010 |
| 4 | PRIMARY DOCUMENT | 0000109657-07-000042 | Nov 13, 2007 | Nov 9, 2007 |
| 4 | PRIMARY DOCUMENT | 0000109657-07-000043 | Nov 13, 2007 | Nov 9, 2007 |
| 4 | PRIMARY DOCUMENT | 0000109657-07-000044 | Nov 13, 2007 | Nov 9, 2007 |