GT Biopharma, Inc. (GTBP)
Data as of , from SEC Form 4 filings.
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About GT Biopharma, Inc. (GTBP)
GT Biopharma, Inc. is an SEC registrant, filing under CIK 0000109657, classified as pharmaceutical preparations. It is grouped with Health Care companies on this site. It filed a registration statement with the SEC on 21 January 2026 and has not yet priced an offering.
GTBP Form 4 activity by transaction type, last 90 days
No Form 4 activity for GTBP in the last 90 days.
GTBP insider transactions (Form 4)
96 Form 4 filings on record, the earliest from Oct 21, 2024, newest first.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| David C. Mun-Gavin - Director | Grant or award | Option to purchase Common Stock | 31,250 | $0.00 | - | |
| Alan Louis Urban - Officer | Grant or award | Option to purchase Common Stock | 50,000 | $0.00 | - | |
| Alan Louis Urban - Officer | Grant or award | Option to purchase Common Stock | 50,000 | $0.00 | - | |
 Hilary Kramer - Director | Grant or award | Option to purchase Common Stock | 31,250 | $0.00 | - | |
| Charles J. Casamento - Director | Grant or award | Option to purchase Common Stock | 62,500 | $0.00 | - | |
 Michael Martin Breen - Officer | Grant or award | Option to purchase Common Stock | 100,000 | $0.00 | - | |
| Michael Martin Breen - Officer | Grant or award | Option to purchase Common Stock | 100,000 | $0.00 | - | |
| Michael Martin Breen - Officer | Grant or award | Option to purchase Common Stock | 100,000 | $0.00 | - | |
| Alan Louis Urban - Officer | Grant or award | Option to purchase Common Stock | 23,335 | $0.00 | - |
GTBP insider trading FAQ
What is the latest insider trade for GTBP?
GT Biopharma, Inc. (GTBP) has filed no insider reports in the last 90 days. The most recent on record is dated 4 September 2025. The full record for GTBP runs to 6 Form 4 filings, the earliest from 21 October 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying GTBP stock?
No insider purchases of GTBP were filed in the last 90 days.
How many insiders are selling GTBP stock?
No insider sales of GTBP were filed in the last 90 days.
Where can I see GTBP SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects GTBP Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
6The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - David C. Mun-Gavin view on EDGAR
- - Alan Louis Urban view on EDGAR
- - Hilary Kramer view on EDGAR
- - Charles J. Casamento view on EDGAR
- - Michael Martin Breen view on EDGAR
- - Alan Louis Urban view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Health Care
- Where GTBP's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow GTBP with a 7-day demo
- GTBP on your watchlist
- Every GTBP Form 4 filing on record
- Up to 3 months of GTBP price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
