secwatch.observer — SEC 8-K summary
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Issuer:     GT Biopharma, Inc. (GTBP)
CIK:        0000109657
Form:       8-K
Filed at:   2025-05-27T23:59:59+00:00
Accession:  0001641172-25-012481
Event type: other_material
Sentiment:  neutral
Materiality: 0.50
Item codes: 1.01, 3.02, 3.03, 5.03, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

GT Biopharma expands private placement to $5.95M, adds new investor Marzilli
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- Increased Series L preferred offering to 6,612 shares ($5.95M) from 6,056 shares ($5.45M) via First Amendment on May 21, 2025.
- Added Robert A. Marzilli as new purchaser; Majority Purchasers (Five Narrow Lane, Bristol Capital) consented.
- Filed Certificate of Increase raising authorized Series L shares from 28,056 to 30,630.
- Greenshoe right: Purchasers may buy up to $24.0M additional preferred stock on same terms.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/109657/000164117225012481/0001641172-25-012481-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/109657/000164117225012481/form8-k.htm
  HTML page:      https://secwatch.observer/filing/0001641172-25-012481

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