GT Biopharma, Inc. (GTBP)
Nasdaq: GTBP · Pharmaceutical Preparations · San Francisco, CA · filing with the SEC since 1995
Filings
350 filings since 2017 beside 53 insider forms · Non-accelerated filer and smaller reporting company · read from EDGAR on Nov 13, 2026Due nextNon-accelerated filer and smaller reporting company
10-Q
Quarterly report for the quarter ending Sep 30, 2026Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end.
by Nov 14, 2026
10-K
Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends.
by Mar 31, 2027
A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. The proxy statement was last filed Oct 13, 2026.
Filings a yearinsider forms included
3642504131305435
2026 counts to Nov 13, 2026.
Listing warning from its exchange (8-K item 3.01): 3 times in the last 36 months, the newest May 22, 2026.Warning not to rely on past financial statements (8-K item 4.02): 1 time in the last 36 months, the newest Mar 2, 2026.Officer or director change (8-K item 5.02): 6 times in the last 36 months, the newest Aug 29, 2025.SEC letters: 12 in the last 36 months, the newest May 11, 2026.
Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.
FiledFormWhat it is, in plain wordsPeriodAsk
Sep 21, 2026
8-K items 1.01, 3.02, 3.03, 5.03, 9.01
Major agreement signed; Shares sold without registration; Change to shareholders' rights; Charter, bylaw or fiscal-year change · Current report
Sep 18, 2026
Sep 15, 2026
8-K items 1.01, 3.02, 3.03, 5.03, 9.01
Major agreement signed; Shares sold without registration; Change to shareholders' rights; Charter, bylaw or fiscal-year change · Current report
Sep 14, 2026
Sep 3, 2026
8-K items 3.03, 5.03, 8.01, 9.01
Change to shareholders' rights; Charter, bylaw or fiscal-year change; Other event · Current report
Sep 2, 2026
Mar 2, 2026
8-K items 4.02, 9.01
Warning not to rely on past financial statements · Current report
Mar 1, 2026
40 of 350 shown
Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.