secwatch.observer — SEC 8-K summary
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Issuer:     GT Biopharma, Inc. (GTBP)
CIK:        0000109657
Form:       8-K
Filed at:   2026-09-15T12:57:47+00:00
Accession:  0001493152-26-042672
Event type: other_material
Sentiment:  neutral
Materiality: 0.80
Item codes: 1.01, 3.02, 3.03, 5.03, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

GT Biopharma raises $7.45M via convertible preferred stock and warrants
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- GT Biopharma raises $7.45M via Series M 10% Convertible Preferred Stock and warrants; stated value $8.28M.
- Conversion price $6.10; warrants exercisable at $6.10 for 100% of conversion shares, 5-year term.
- Greenshoe option to purchase up to $30M additional preferred stock (stated value $33.33M) at 10% discount.
- Dividends at 10% per annum until Sept 2027, then 12%; full ratchet price protection.
- Company to seek shareholder approval for issuance over 19.99% of outstanding shares; officers/directors entered lockup and voting agreements.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/109657/000149315226042672/0001493152-26-042672-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/109657/000149315226042672/form8-k.htm
  HTML page:      https://secwatch.observer/filing/0001493152-26-042672

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer