Fortress Biotech's three largest insider shareholders as of May 04, 2026 are Lindsay A Md Rosenwald (President, Ceo Chairman, 4.59Mn shares), Lindsay A Md Rosenwald (President, Ceo Chairman, 2.89Mn shares), Michael S Weiss (Executive Vice Chairman, 2.28Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Lindsay A Md Rosenwald | President, Ceo Chairman | 4,586,841 | 0 | 20 Mar, 2026 |
| Lindsay A Md Rosenwald | President, Ceo Chairman | 4,586,841 | 0 | 20 Mar, 2026 |
| Lindsay A Md Rosenwald | President, Ceo Chairman | 2,893,905 | 0 | 01 Jul, 2024 |
| Lindsay A Md Rosenwald | President, Ceo Chairman | 2,893,905 | 0 | 01 Jul, 2024 |
| Michael S Weiss | Executive Vice Chairman | 2,276,562 | 0 | 20 Mar, 2026 |
| Michael S Weiss | - | 1,346,985 | 0 | 03 Jan, 2024 |
| David Jin | Chief Financial Officer | 1,251,571 | 0 | 01 Apr, 2026 |
| David Jin | Chief Financial Officer | 1,251,571 | 0 | 01 Apr, 2026 |
| David Jin | Chief Financial Officer | 238,268 | 0 | 02 Apr, 2024 |
| David Jin | Chief Financial Officer | 238,268 | 0 | 02 Apr, 2024 |
| J Jay Lobell | - | 192,397 | 0 | 05 Jan, 2026 |
| J Jay Lobell | - | 192,397 | 0 | 05 Jan, 2026 |
| Jimmie Harvey | - | 146,704 | 0 | 05 Jan, 2026 |
| Jimmie Harvey | - | 146,704 | 0 | 05 Jan, 2026 |
| Dov Klein | - | 130,105 | 0 | 05 Jan, 2026 |
| Dov Klein | - | 130,105 | 0 | 05 Jan, 2026 |
| Lindsay A Md Rosenwald | President, Ceo Chairman | 127,500 | 0 | 15 Jul, 2024 |
| Lindsay A Md Rosenwald | President, Ceo Chairman | 127,500 | 0 | 15 Jul, 2024 |
| Malcolm Hoenlein | - | 115,747 | 0 | 05 Jan, 2026 |
| J Jay Lobell | - | 115,692 | 0 | 03 Jan, 2024 |
| J Jay Lobell | - | 115,692 | 0 | 03 Jan, 2024 |
| Kevin Lorenz | - | 101,009 | 0 | 05 Jan, 2026 |
| Kevin Lorenz | - | 101,009 | 0 | 05 Jan, 2026 |
| Jimmie Harvey | - | 69,999 | 0 | 03 Jan, 2024 |
| Jimmie Harvey | - | 69,999 | 0 | 03 Jan, 2024 |
| Eric K Rowinsky | - | 68,797 | 0 | 03 Jan, 2024 |
| Eric K Rowinsky | - | 68,797 | 0 | 03 Jan, 2024 |
| Lucy Lu | - | 61,273 | 0 | 03 Jan, 2025 |
| Dov Klein | - | 53,400 | 0 | 20 May, 2024 |
| Dov Klein | - | 53,400 | 0 | 20 May, 2024 |
| Malcolm Hoenlein | - | 39,042 | 0 | 03 Jan, 2024 |
| Kevin Lorenz | - | 24,304 | 0 | 03 Jan, 2024 |
| Kevin Lorenz | - | 24,304 | 0 | 03 Jan, 2024 |
| Lucy Lu | - | 11,890 | 0 | 03 Jan, 2024 |
| David Jin | Chief Financial Officer | 500 | 0 | 12 Jul, 2024 |
| David Jin | Chief Financial Officer | 500 | 0 | 12 Jul, 2024 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 01 Apr, 2026 | David Jin | Common Stock, par value $0.001 | A | 2,967 | $2.18 | 1,251,571 | D | A |
| 18 Mar, 2026 | Lindsay A Md Rosenwald | Common stock, par value $0.001 | A | 475,424 | $0.00 | 4,586,841 | D | A |
| 01 Jan, 2026 | J Jay Lobell | common stock, par value $0.001 | A | 27,322 | $0.00 | 192,397 | D | A |
| 01 Jan, 2026 | Dov Klein | common stock, par value $0.001 | A | 27,322 | $0.00 | 130,105 | D | A |
| 01 Jan, 2026 | Jimmie Harvey | common stock, par value $0.001 | A | 27,322 | $0.00 | 146,704 | D | A |
| 01 Jan, 2026 | Kevin Lorenz | common stock, par value $0.001 | A | 27,322 | $0.00 | 101,009 | D | A |
| 01 Oct, 2025 | David Jin | Common Stock, par value $0.001 | A | 2,711 | $1.31 | 1,248,604 | D | A |
| 01 Apr, 2025 | David Jin | Common Stock, par value $0.001 | A | 5,000 | $1.22 | 1,245,893 | D | A |
| 01 Jan, 2025 | J Jay Lobell | common stock, par value $0.001 | A | 49,383 | $0.00 | 165,075 | D | A |
| 01 Jan, 2025 | Lindsay A Md Rosenwald | Common stock, par value $0.001 | A | 454,153 | $0.00 | 4,111,417 | D | A |
| 01 Jan, 2025 | Kevin Lorenz | common stock, par value $0.001 | A | 49,383 | $0.00 | 73,687 | D | A |
| 01 Jan, 2025 | Jimmie Harvey | common stock, par value $0.001 | A | 49,383 | $0.00 | 119,382 | D | A |
| 01 Jan, 2025 | Dov Klein | common stock, par value $0.001 | A | 49,383 | $0.00 | 102,783 | D | A |
| 19 Dec, 2024 | David Jin | Common Stock, par value $0.001 | A | 1,000,000 | $0.00 | 1,240,893 | D | A |
| 01 Oct, 2024 | David Jin | Common Stock, par value $0.001 | A | 2,625 | $1.23 | 240,893 | D | A |
| 23 Sep, 2024 | Lindsay A Md Rosenwald | Common stock, par value $0.001 | A | 763,359 | $1.84 | 3,657,264 | D | P |
| 23 Sep, 2024 | Lindsay A Md Rosenwald | Warrants to Purchase Common Stock | A | 763,359 | $0.13 | 763,359 | D | P |
| 11 Jul, 2024 | Lindsay A Md Rosenwald | SERIES A CUMULATIVE PERPETUAL PREFERRED STOCK | A | 5,000 | $7.48 | 127,500 | D | P |
| 10 Jul, 2024 | David Jin | SERIES A CUMULATIVE PERPETUAL PREFERRED STOCK | A | 500 | $7.50 | 500 | D | P |
| 09 Jul, 2024 | Lindsay A Md Rosenwald | SERIES A CUMULATIVE PERPETUAL PREFERRED STOCK | A | 5,000 | $7.39 | 122,500 | D | P |