CIK 0000109657 · Non-accelerated filer<br>Smaller reporting company
GT Biopharma, Inc.
Sign in to watch- Ticker
- GTBP
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 941620407
- Phone
- (800) 304-9888
- Business address
- 505 MONTGOMERY STREET, 10TH FLOOR, SAN FRANCISCO, CA, 94111
- Former names
- GT Biopharma, Inc., OXIS INTERNATIONAL INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 14 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-09-04 | URBAN ALAN LOUIS Chief Financial Officer | Grant or award · Option to purchase Common Stock | +50,000 | 50,000 | ||
| 2025-09-04 | URBAN ALAN LOUIS Chief Financial Officer | Grant or award · Option to purchase Common Stock | +50,000 | 50,000 | ||
| 2025-09-04 | Mun-Gavin David C. Director | Grant or award · Option to purchase Common Stock | +31,250 | 31,250 | ||
| 2025-09-04 | Kramer Hilary Director | Grant or award · Option to purchase Common Stock | +31,250 | 31,250 | ||
| 2025-09-04 | CASAMENTO CHARLES J Director | Grant or award · Option to purchase Common Stock | +62,500 | 62,500 | ||
| 2025-09-04 | Breen Michael Martin CEO and Director | Grant or award · Option to purchase Common Stock | +100,000 | 100,000 | ||
| 2025-09-04 | Breen Michael Martin CEO and Director | Grant or award · Option to purchase Common Stock | +100,000 | 100,000 | ||
| 2025-09-04 | Breen Michael Martin CEO and Director | Grant or award · Option to purchase Common Stock | +100,000 | 100,000 | ||
| 2024-10-17 | URBAN ALAN LOUIS Chief Financial Officer | Grant or award · Option to purchase Common Stock | +23,335 | 23,335 | ||
| 2023-08-11 | Breen Michael Martin Executive Chairman/Interim CEO | Grant or award | +200,000 | $0.29 | $57K | 856,218 |
| 2023-08-11 | Ohri Manu CFO & Secretary | Grant or award | +200,000 | $0.29 | $57K | 200,000 |
| 2023-08-11 | Ohri Manu CFO & Secretary | Other disposition | −200,000 | $0.29 | $57K | 0 |
| 2023-08-11 | Ohri Manu CFO & Secretary | Other acquisition | +200,000 | $0.29 | $57K | 300,000 |
| 2023-06-16 | CASAMENTO CHARLES J Director | Grant or award · Option to purchase Common Stock | +500,000 | 500,000 | ||
| 2023-04-11 | Breen Michael Martin Executive Chairman/Interim CEO | Purchase | +50,000 | $0.50 | $25K | 656,218 |
| 2023-04-06 | Ohri Manu CFO & Secretary | Purchase | +50,000 | $0.50 | $25K | 50,000 |
| 2023-01-27 | Breen Michael Martin Exec Chairman and Interim CEO | Grant or award · Option to purchase Common Stock | +500,000 | 500,000 | ||
| 2023-01-27 | Ohri Manu Chief Financial Officer | Grant or award · Option to purchase Common Stock | +500,000 | 500,000 | ||
| 2023-01-27 | SHROTRIYA RAJESH C MD Director | Grant or award · Option to purchase Common Stock | +500,000 | 500,000 | ||
| 2023-01-27 | Wendel Bruce Director | Grant or award · Option to purchase Common Stock | +500,000 | 500,000 |
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