As of September 09, 2026, GT Biopharma's top three insider holders are Manu Ohri (Cfo Secretary, 300.00K shares), Manu Ohri (Cfo Secretary, 50.00K shares), Michael Martin Breen (Executive Chairman/Interim Ceo, 6 shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Manu Ohri | Cfo Secretary | 0 | 300,000 | 300,000 | 100.0% | 15 Aug, 2023 |
| 2 | Michael Martin Breen | Executive Chairman/Interim Ceo | 6 | 0 | 6 | 0.0% | 15 Aug, 2023 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 04 Sep, 2025 | Charles J Casamento | Director | Acquired A | 62,500 | $0.00 | $0 | 62,500 | Direct |
| 04 Sep, 2025 | David C. Mun-Gavin | Director | Acquired A | 31,250 | $0.00 | $0 | 31,250 | Direct |
| 04 Sep, 2025 | Alan Louis Urban | Chief Financial Officer | Acquired A | 50,000 | $0.00 | $0 | 50,000 | Direct |
| 04 Sep, 2025 | Hilary Kramer | Director | Acquired A | 31,250 | $0.00 | $0 | 31,250 | Direct |
| 04 Sep, 2025 | Michael Martin Breen | Ceo And Director | Acquired A | 100,000 | $0.00 | $0 | 100,000 | Direct |
| 04 Sep, 2025 | Hilary Kramer | Director | Acquired A | 31,250 | $0.00 | $0 | 31,250 | Direct |
| 04 Sep, 2025 | Alan Louis Urban | Chief Financial Officer | Acquired A | 50,000 | $0.00 | $0 | 50,000 | Direct |
| 04 Sep, 2025 | David C. Mun-Gavin | Director | Acquired A | 31,250 | $0.00 | $0 | 31,250 | Direct |
| 04 Sep, 2025 | David C. Mun-Gavin | Director | Acquired A | 31,250 | $0.00 | $0 | 31,250 | Direct |
| 04 Sep, 2025 | Alan Louis Urban | Chief Financial Officer | Acquired A | 50,000 | $0.00 | $0 | 50,000 | Direct |
| 04 Sep, 2025 | Hilary Kramer | Director | Acquired A | 31,250 | $0.00 | $0 | 31,250 | Direct |
| 04 Sep, 2025 | Michael Martin Breen | Ceo And Director | Acquired A | 100,000 | $0.00 | $0 | 100,000 | Direct |
| 04 Sep, 2025 | Alan Louis Urban | Chief Financial Officer | Acquired A | 50,000 | $0.00 | $0 | 50,000 | Direct |
| 04 Sep, 2025 | Alan Louis Urban | Chief Financial Officer | Acquired A | 50,000 | $0.00 | $0 | 50,000 | Direct |
| 04 Sep, 2025 | Alan Louis Urban | Chief Financial Officer | Acquired A | 50,000 | $0.00 | $0 | 50,000 | Direct |
| 04 Sep, 2025 | Michael Martin Breen | Ceo And Director | Acquired A | 100,000 | $0.00 | $0 | 100,000 | Direct |
| 17 Oct, 2024 | Alan Louis Urban | Chief Financial Officer | Acquired A | 23,335 | $0.00 | $0 | 23,335 | Direct |
| 17 Oct, 2024 | Alan Louis Urban | Chief Financial Officer | Acquired A | 23,335 | $0.00 | $0 | 23,335 | Direct |
| 17 Oct, 2024 | Alan Louis Urban | Chief Financial Officer | Acquired A | 23,335 | $0.00 | $0 | 23,335 | Direct |
| 11 Aug, 2023 | Manu Ohri | Cfo Secretary | Acquired A | 200,000 | $0.29 | $57.40K | 200,000 | Direct |