GT Biopharma, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Breen Michael Martin | Executive Chairman/Interim CEO | Award / Grant | 200,000 | $0.29 | $58,000 | 856,218 | Aug 11, 2023 |
| Ohri Manu | CFO & Secretary | Award / Grant | 200,000 | $0.29 | $58,000 | 200,000 | Aug 11, 2023 |
| Breen Michael Martin | Executive Chairman/Interim CEO | Purchase | 50,000 | $0.50 | $25,000 | 656,218 | Apr 11, 2023 |
| Ohri Manu | CFO & Secretary | Purchase | 50,000 | $0.50 | $25,000 | 50,000 | Apr 6, 2023 |
| Breen Michael Martin | Exec. Chair. and Interim CEO | Award / Grant | 278,058 | — | — | 606,218 | Jul 15, 2022 |
| Ohri Manu | CFO & Secretary | Other | 100,000 | — | — | 100,000 | Jul 15, 2022 |
| Breen Michael Martin | — | C | 40,243 | $3.40 | $136,826 | 318,301 | Feb 25, 2021 |
| Berk Gregory | — | Award / Grant | 278,058 | — | — | 278,058 | Feb 16, 2021 |
| Wendel Bruce | — | Purchase | 1,374 | $8.87 | $12,187 | 4,642 | Feb 16, 2021 |
| Weldon Steven W | — | Sale | 47,978 | $0.40 | $19,191 | 3,720,000 | Dec 21, 2020 |
| Weldon Steven W | — | Sale | 50,000 | $0.30 | $15,000 | 3,903,700 | Dec 16, 2020 |
| Weldon Steven W | — | Sale | 50,000 | $0.28 | $14,000 | 4,350,000 | Dec 15, 2020 |
| Cataldo Tony | CEO | Sale | 4,234,320 | — | — | 6,500,000 | Jun 2, 2020 |
| Weldon Steven W | CFO | Sale | 2,269,708 | — | — | 4,500,000 | May 13, 2020 |
| Cataldo Tony | CEO | Award / Grant | 7,000,000 | — | — | 10,734,320 | Aug 14, 2019 |
| Weldon Steven W | CFO | Award / Grant | 4,500,000 | — | — | 6,769,707 | Aug 14, 2019 |
| Cataldo Tony | — | Sale | 800,000 | — | — | 4,029,600 | Feb 6, 2019 |
| Urbanski Raymond W. | CEO | Sale | 176,980 | — | — | 1,351,918 | Feb 1, 2019 |
| Cataldo Tony | Executive Chairman | Gift | 100,000 | — | — | 4,843,029 | Nov 2, 2017 |
| Weldon Steven W | CFO | Award / Grant | 2,566,835 | — | — | 2,568,840 | Sep 1, 2017 |
| BRISTOL INVESTMENT FUND LTD | — | Other | 250,000 | — | — | 463,806 | Apr 4, 2016 |
| Theorem Group, LLC | — | Sale | 339,900 | $0.13 | $44,187 | 360,100 | Dec 27, 2010 |
| DUBE ANSHUMAN | — | C | 700,000 | $0.05 | $35,000 | 700,000 | Dec 23, 2010 |
| Post Gary M | — | Sale | 69,600 | $0.11 | $7,656 | 900,000 | Aug 31, 2010 |
| Post Gary M | — | Sale | 76,060 | $0.12 | $9,127 | 1,000,540 | Aug 30, 2010 |
| Post Gary M | Secretary | Sale | 25,000 | $0.11 | $2,750 | 1,375,000 | Jul 7, 2010 |
| Post Gary M | — | Award / Grant | 1,500,000 | $0.23 | $345,000 | 1,500,000 | Jan 19, 2010 |
| HAUSMAN MARVIN S MD | President & CEO | Gift | 60,000 | $0.08 | $4,800 | 2,344,080 | Nov 28, 2007 |
| HAUSMAN MARVIN S MD | President & CEO | Award / Grant | 500,000 | $0.20 | $100,000 | 2,334,636 | Nov 6, 2006 |
| REPINE JOHN E | — | Award / Grant | 50,000 | $0.18 | $9,000 | 50,000 | Nov 6, 2006 |
| HAUSMAN MARVIN S MD | President & CEO | Award / Grant | 330,769 | $0.20 | $66,154 | 330,769 | Oct 12, 2006 |