GT Biopharma, Inc. — SC 13G Filings
13 SC 13G filings on record
This page lists all SC 13G 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 13 SC 13G 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 |
|---|---|---|---|---|
| SC 13G | SCHEDULE 13G | 0001042167-23-000059 | Sep 19, 2023 | — |
| SC 13G | — | 0001172661-23-001111 | Feb 14, 2023 | — |
| SC 13G | — | 0000921895-21-000488 | Feb 17, 2021 | — |
| SC 13G | SCHEDULE 13G | 0001683168-20-001922 | Jun 10, 2020 | — |
| SC 13G | SCHEDULE 13G MARK J SILVERMAN | 0000939798-17-000104 | Dec 4, 2017 | — |
| SC 13G | THEOREM GROUP LLC 13G FOR GT BIOPHARMA, INC. | 0000939798-17-000081 | Nov 14, 2017 | — |
| SC 13G | NONE | 0001140361-16-053774 | Feb 18, 2016 | — |
| SC 13G | NONE | 0001140361-16-051077 | Feb 9, 2016 | — |
| SC 13G | SCHEDULE 13G | 0001213900-16-010379 | Jan 26, 2016 | — |
| SC 13G | SC 13G | 0001104659-07-011158 | Feb 14, 2007 | — |
| SC 13G | — | 0001019687-05-000156 | Jan 25, 2005 | — |
| SC 13G | — | 0000919574-05-000022 | Jan 7, 2005 | — |
| SC 13G | OXIS INTERNATIONAL | 0001123274-01-500010 | Aug 14, 2001 | — |