GT Biopharma, Inc. — S-1/A Filings
15 S-1/A filings on record
This page lists all S-1/A 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 15 S-1/A 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 |
|---|---|---|---|---|
| S-1/A | S-1/A | 0001641172-25-016977 | Jun 27, 2025 | — |
| S-1/A | — | 0001493152-25-005314 | Feb 7, 2025 | — |
| S-1/A | — | 0001493152-25-003718 | Jan 27, 2025 | — |
| S-1/A | — | 0001493152-24-025390 | Jun 27, 2024 | — |
| S-1/A | S-1/A | 0001654954-21-001333 | Feb 9, 2021 | — |
| S-1/A | AMENDMENT NO 2 | 0001654954-21-001271 | Feb 8, 2021 | — |
| S-1/A | AMENDMENT NO 1 | 0001654954-21-001056 | Feb 2, 2021 | — |
| S-1/A | AMENDED REGISTRATION STATEMENT | 0001654954-19-008149 | Jul 11, 2019 | — |
| S-1/A | OXIS S-1 AMENDMENT NO. 7 | 0000939798-17-000020 | Feb 10, 2017 | — |
| S-1/A | OXIS S-1 AMENDMENT 6 | 0000939798-17-000008 | Jan 24, 2017 | — |
| S-1/A | OXIS S-1 AMENDMENT NO. 5 | 0000939798-16-000170 | Dec 28, 2016 | — |
| S-1/A | OXIS S-1 AMENDMENT NO. 4 | 0000939798-16-000164 | Nov 21, 2016 | — |
| S-1/A | OXIS S-1 AMENDMENT NO. 3 | 0000939798-16-000153 | Oct 31, 2016 | — |
| S-1/A | OXIS S-1 AMENDMENT NO. 2 | 0000939798-16-000149 | Oct 3, 2016 | — |
| S-1/A | OXIS S-1 AMENDMENT NO. 1 | 0000939798-16-000146 | Aug 25, 2016 | — |