Fortress Biotech, Inc. (FBIO) Insider Ownership

Historic Insider Ownership Trends

Over the 90-day window ending January 10, 2026, Fortress Biotech's three dominant insider ownership positions are held by President And Ceo & Chairman Lindsay A Md Rosenwald (4.11Mn shares), Executive Vice Chairman Michael S Weiss (1.80Mn shares), Chief Financial Officer David Jin (1.25Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Lindsay A Md Rosenwald President And Ceo & Chairman 4,111,417 03 Jan, 2025
Michael S Weiss Executive Vice Chairman 1,801,138 03 Jan, 2025
David Jin Chief Financial Officer 1,248,604 02 Oct, 2025
J Jay Lobell 192,397 05 Jan, 2026
Jimmie Harvey 146,704 05 Jan, 2026
Dov Klein 130,105 05 Jan, 2026
Malcolm Hoenlein 115,747 05 Jan, 2026
Kevin Lorenz 101,009 05 Jan, 2026
Eric K Rowinsky 68,797 03 Jan, 2024
Lucy Lu 61,273 03 Jan, 2025

* 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
01 Jan, 2026 J Jay Lobell common stock, par value $0.001 A 27,322 $0.00 192,397 D A
01 Jan, 2026 Malcolm Hoenlein Common Stock, par value $0.001 A 27,322 $0.00 115,747 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 Dov Klein common stock, par value $0.001 A 27,322 $0.00 130,105 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 Oct, 2025 David Jin - - 1,248,604 D
01 Apr, 2025 David Jin Common Stock, par value $0.001 A 5,000 $1.22 1,245,893 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 Michael S Weiss common stock, par value $0.001 A 454,153 $0.00 1,801,138 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 Malcolm Hoenlein Common Stock, par value $0.001 A 49,383 $0.00 88,425 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 Lucy Lu common stock, par value $0.001 A 49,383 $0.00 61,273 D A
01 Jan, 2025 Dov Klein - - 102,783 D
01 Jan, 2025 Dov Klein common stock, par value $0.001 A 49,383 $0.00 102,783 D A
01 Jan, 2025 Kevin Lorenz common stock, par value $0.001 A 49,383 $0.00 73,687 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
01 Oct, 2024 David Jin - - 240,893 D