GT Biopharma, Inc.
43 SEC EDGAR filings indexed (CIK 0000109657) across 13 form types.
Filing profile
GT Biopharma, Inc. (GTBP) has 43 SEC filings indexed on SecFilingDex, across 13 form types filed over roughly 2 years, from February 7, 2025 to August 14, 2026. The filer is classified under Pharmaceutical Preparations (SIC 2834).
Its most frequent disclosure is the 8-K (Material event) with 8 filings — Current report announcing a material event, such as an acquisition, executive change, or earnings release. 29 of these filings were disclosed in the twelve months to August 14, 2026. 5 of the 43 are amendments (a corrected or updated version of an earlier filing).
Disclosure mix
- 88-KMaterial event · event-driven
- 6424B3Updated prospectus · event-driven
- 510-QQuarterly report · quarterly
- 5Form 4Insider transaction · within 2 business days of transaction
- 4S-1IPO registration · event-driven (pre-ipo)
- 3Form 3Initial insider ownership · within 10 days of becoming an insider
- 2DEF 14AProxy statement · annual (pre-meeting)
- 2PRE 14ASEC filing
- 210-Q/AQuarterly report · quarterly
- 210-KAnnual report · annual
- 2S-1/AIPO registration · event-driven (pre-ipo)
- 1DEFA14ASEC filing
- 110-K/AAnnual report · annual
Profile derived from 43 indexed filings; every figure traces to the filing records above, each linking back to its original SEC EDGAR document. Filing counts reflect SecFilingDex's current index, not the filer's complete EDGAR history.
All filings
- 10-Q0001493152-26-037988
- 8-K0001493152-26-038446
- DEF 14A0001493152-26-031922
- PRE 14A0001493152-26-029362
- 8-K0001493152-26-028457
- 8-K0001493152-26-024913
- 10-Q0001493152-26-023346
- 424B30001493152-26-022795
- S-10001493152-26-020697
- 8-K0001493152-26-015413
- 10-Q/A0001493152-26-009126
- 10-Q/A0001493152-26-009127
- 8-K0001493152-26-008442
- 10-K0001493152-26-008443
- 424B30001493152-26-004547
- S-10001493152-26-003089
- 424B30001493152-26-000976
- 424B30001493152-25-025796
- 8-K0001493152-25-025162
- 8-K0001493152-25-022631
- 10-Q0001493152-25-023400
- S-10001493152-25-019296
- 8-K0001493152-25-015725
- Form 40001641172-25-026890
- Form 40001641172-25-026891
- Form 40001641172-25-026892
- Form 40001641172-25-026893
- Form 40001641172-25-026894
- 10-Q0001493152-25-011971
- Form 30001641172-25-021546
- 424B30001641172-25-017705
- S-1/A0001641172-25-016977
- DEF 14A0001641172-25-014721
- DEFA14A0001641172-25-014722
- S-10001641172-25-014752
- Form 30001641172-25-013435
- PRE 14A0001641172-25-013033
- Form 30001641172-25-012862
- 10-Q0001641172-25-010790
- 10-K/A0001641172-25-004563
- 424B30001493152-25-010276
- 10-K0001493152-25-007908
- S-1/A0001493152-25-005314
Authoritative source
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