GT Biopharma GTBP SEC Filings

NASDAQ GTBP
$3.72 -0.12 (-3.12%)
At close: Nov 13, 2026 · 4:00 PM EST
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing GT Biopharma, Inc. (GTBP) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0001493152-26-051221Nov 12, 2026 1:30 PM
2EFFECTOthers9999999995-26-003305Oct 20, 2026 8:15 AM
3424B3Prospectus0001493152-26-047792Oct 20, 2026 1:20 AM
4DEF 14AOthers0001493152-26-046861Oct 13, 2026 1:00 AM
5S-1Prospectus0001493152-26-046618Oct 9, 2026 1:27 AM
6PRE 14AOthers0001493152-26-045611Oct 2, 2026 1:26 AM
7DOthers0000109657-26-000001Sep 29, 2026 5:06 PM
88-KCurrent Report0001493152-26-044309Sep 25, 2026 8:10 PM
98-KCurrent Report0001493152-26-043562Sep 21, 2026 8:10 PM
10SCHEDULE 13GBeneficial Ownership Report0001213900-26-100247Sep 15, 2026 11:35 PM
118-KCurrent Report0001493152-26-042672Sep 15, 2026 12:57 PM
128-KCurrent Report0001493152-26-041333Sep 3, 2026 3:45 PM
138-KCurrent Report0001493152-26-038446Aug 14, 2026 8:30 PM
1410-QQuarterly & Annual Report0001493152-26-037988Aug 14, 2026 12:01 PM
15DEF 14AOthers0001493152-26-031922Jul 2, 2026 8:30 PM
16PRE 14AOthers0001493152-26-029362Jun 18, 2026 8:45 PM
178-KCurrent Report0001493152-26-028457Jun 12, 2026 8:30 PM
188-KCurrent Report0001493152-26-024913May 22, 2026 12:00 PM
1910-QQuarterly & Annual Report0001493152-26-023346May 15, 2026 12:00 PM
20EFFECTOthers9999999995-26-001620May 13, 2026 4:15 AM
21424B3Prospectus0001493152-26-022795May 13, 2026 9:18 PM
22CORRESPOthers0001493152-26-022183May 11, 2026 3:46 PM
23UPLOADOthers0000000000-26-004634May 6, 2026 6:00 PM
24S-1Prospectus0001493152-26-020697Apr 30, 2026 8:55 PM
258-KCurrent Report0001493152-26-015413Apr 7, 2026 11:05 AM
2610-QQuarterly & Annual Report0001493152-26-009127Mar 6, 2026 9:01 PM
2710-QQuarterly & Annual Report0001493152-26-009126Mar 6, 2026 9:01 PM
2810-KQuarterly & Annual Report0001493152-26-008443Mar 2, 2026 12:05 PM
298-KCurrent Report0001493152-26-008442Mar 2, 2026 12:05 PM
30EFFECTOthers9999999995-26-000420Jan 30, 2026 5:15 AM
31424B3Prospectus0001493152-26-004547Jan 30, 2026 10:12 PM
32CORRESPOthers0001493152-26-003958Jan 28, 2026 6:11 PM
33UPLOADOthers0000000000-26-000990Jan 27, 2026 9:13 PM
34S-1Prospectus0001493152-26-003089Jan 21, 2026 9:15 PM
35424B3Prospectus0001493152-26-000976Jan 8, 2026 9:19 PM
36EFFECTOthers9999999995-25-003476Dec 2, 2025 5:15 AM
37424B3Prospectus0001493152-25-025796Dec 2, 2025 10:24 PM
38CORRESPOthers0001493152-25-025711Dec 2, 2025 8:10 PM
398-KCurrent Report0001493152-25-025162Nov 26, 2025 9:30 PM
4010-QQuarterly & Annual Report0001493152-25-023400Nov 14, 2025 9:00 PM
418-KCurrent Report0001493152-25-022631Nov 14, 2025 2:05 PM
42S-1Prospectus0001493152-25-019296Oct 24, 2025 8:15 PM
438-KCurrent Report0001493152-25-015725Sep 26, 2025 8:15 PM
448-KCurrent Report0001493152-25-014684Sep 23, 2025 9:30 PM
454Insider Transaction0001641172-25-026893Sep 8, 2025 9:45 PM
464Insider Transaction0001641172-25-026890Sep 8, 2025 9:45 PM
474Insider Transaction0001641172-25-026894Sep 8, 2025 9:45 PM
484Insider Transaction0001641172-25-026891Sep 8, 2025 9:45 PM
494Insider Transaction0001641172-25-026892Sep 8, 2025 9:45 PM
508-KCurrent Report0001493152-25-012479Aug 29, 2025 8:15 PM
...

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