Fortress Biotech, Inc. (FBIOP) has 11 known insider and institutional holders on record. The largest holder is ROSENWALD LINDSAY A MD with 4,586,841 shares. Other notable holders include WEISS MICHAEL S and Jin David.
Over the last 12 months, insiders have made 9 transactions in FBIOP stock — 9 buys (valued at $10K) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
FBIOP Insider Ownership
Top Holder
ROSENWALD LINDSAY A MD
4,586,841 shares
Buys (12 mo)
9
$10K value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Rosenwald Lindsay A Md |
10 Percent Owner, Officer: President, CEO & Chairman |
4,586,841 |
2026-03-20 |
|
| 2 |
Weiss Michael S |
Executive Vice Chairman |
2,276,562 |
2026-03-20 |
|
| 3 |
Jin David |
Chief Financial Officer |
1,251,571 |
2026-04-01 |
|
| 4 |
Avgerinos George |
SVP, Biologics Operations |
308,000 |
2015-08-14 |
|
| 5 |
Lobell J Jay |
Director |
192,397 |
2026-01-05 |
|
| 6 |
Harvey Jimmie |
Director |
146,704 |
2026-01-05 |
|
| 7 |
Klein Dov |
Director |
130,105 |
2026-01-05 |
|
| 8 |
Hoenlein Malcolm |
Director |
115,747 |
2026-01-05 |
|
| 9 |
Lorenz Kevin |
Director |
101,009 |
2026-01-05 |
|
| 10 |
Rowinsky Eric K |
Director |
68,797 |
2024-01-03 |
|
| 11 |
Lu Lucy |
Director |
61,273 |
2025-01-03 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-01 |
Jin David |
Chief Financial Officer |
RSU Award |
2,967 |
$2.18 |
$6.46K |
| 2026-03-18 |
Weiss Michael S |
Executive Vice Chairman |
RSU Award |
475,424 |
- |
- |
| 2026-03-18 |
Rosenwald Lindsay A Md |
10 Percent Owner, Officer: President, CEO & Chairman |
RSU Award |
475,424 |
- |
- |
| 2026-01-01 |
Lorenz Kevin |
Director |
RSU Award |
27,322 |
- |
- |
| 2026-01-01 |
Klein Dov |
Director |
RSU Award |
27,322 |
- |
- |
| 2026-01-01 |
Harvey Jimmie |
Director |
RSU Award |
27,322 |
- |
- |
| 2026-01-01 |
Hoenlein Malcolm |
Director |
RSU Award |
27,322 |
- |
- |
| 2026-01-01 |
Lobell J Jay |
Director |
RSU Award |
27,322 |
- |
- |
| 2025-10-01 |
Jin David |
Chief Financial Officer |
RSU Award |
2,711 |
$1.31 |
$3.55K |
