GT Biopharma's three largest insider shareholders as of August 04, 2026 are Michael Martin Breen (Executive Chairman/Interim Ceo, 856.22K shares), Manu Ohri (Cfo Secretary, 300.00K shares), Manu Ohri (Cfo Secretary, 50.00K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Manu Ohri | Cfo Secretary | 0 | 300,000 | 15 Aug, 2023 |
| Michael Martin Breen | Executive Chairman/Interim Ceo | 856,218 | 0 | 15 Aug, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 04 Sep, 2025 | Hilary Kramer | Option to purchase Common Stock | A | 31,250 | $0.00 | 31,250 | D | A |
| 04 Sep, 2025 | Charles J Casamento | Option to purchase Common Stock | A | 62,500 | $0.00 | 62,500 | D | A |
| 04 Sep, 2025 | David C. Mun-Gavin | Option to purchase Common Stock | A | 31,250 | $0.00 | 31,250 | D | A |
| 04 Sep, 2025 | Alan Louis Urban | Option to purchase Common Stock | A | 50,000 | $0.00 | 50,000 | D | A |
| 04 Sep, 2025 | Alan Louis Urban | Option to purchase Common Stock | A | 50,000 | $0.00 | 50,000 | D | A |
| 04 Sep, 2025 | Hilary Kramer | Option to purchase Common Stock | A | 31,250 | $0.00 | 31,250 | D | A |
| 04 Sep, 2025 | Alan Louis Urban | Option to purchase Common Stock | A | 50,000 | $0.00 | 50,000 | D | A |
| 04 Sep, 2025 | David C. Mun-Gavin | Option to purchase Common Stock | A | 31,250 | $0.00 | 31,250 | D | A |
| 04 Sep, 2025 | David C. Mun-Gavin | Option to purchase Common Stock | A | 31,250 | $0.00 | 31,250 | D | A |
| 04 Sep, 2025 | Michael Martin Breen | Option to purchase Common Stock | A | 100,000 | $0.00 | 100,000 | D | A |
| 04 Sep, 2025 | Hilary Kramer | Option to purchase Common Stock | A | 31,250 | $0.00 | 31,250 | D | A |
| 04 Sep, 2025 | Alan Louis Urban | Option to purchase Common Stock | A | 50,000 | $0.00 | 50,000 | D | A |
| 04 Sep, 2025 | Michael Martin Breen | Option to purchase Common Stock | A | 100,000 | $0.00 | 100,000 | D | A |
| 04 Sep, 2025 | Alan Louis Urban | Option to purchase Common Stock | A | 50,000 | $0.00 | 50,000 | D | A |
| 04 Sep, 2025 | Alan Louis Urban | Option to purchase Common Stock | A | 50,000 | $0.00 | 50,000 | D | A |
| 04 Sep, 2025 | Michael Martin Breen | Option to purchase Common Stock | A | 100,000 | $0.00 | 100,000 | D | A |
| 17 Oct, 2024 | Alan Louis Urban | Option to purchase Common Stock | A | 23,335 | $0.00 | 23,335 | D | A |
| 17 Oct, 2024 | Alan Louis Urban | Option to purchase Common Stock | A | 23,335 | $0.00 | 23,335 | D | A |
| 17 Oct, 2024 | Alan Louis Urban | Option to purchase Common Stock | A | 23,335 | $0.00 | 23,335 | D | A |
| 11 Aug, 2023 | Manu Ohri | Common Stock | A | 200,000 | $0.29 | 200,000 | D | A |