Fortress Biotech, Inc. (FBIO) has 20 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 ELLIOTT INTERNATIONAL, L.P..
Over the last 12 months, insiders have made 9 transactions in FBIO 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.
FBIO 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 |
Elliott International, L.p. |
10 Percent Owner |
1,654,898 |
2012-06-26 |
|
| 4 |
Jin David |
Chief Financial Officer |
1,251,571 |
2026-04-01 |
|
| 5 |
Elliott Associates, L.p. |
10 Percent Owner |
792,328 |
2012-06-26 |
|
| 6 |
Avgerinos George |
SVP, Biologics Operations |
655,170 |
2019-07-09 |
|
| 7 |
Horgan Kevin |
Chief Medical Officer |
200,000 |
2013-11-06 |
|
| 8 |
Lobell J Jay |
Director |
192,397 |
2026-01-05 |
|
| 9 |
Hunter Robyn |
Chief Financial Officer |
163,877 |
2022-04-29 |
|
| 10 |
Harvey Jimmie |
Director |
146,704 |
2026-01-05 |
|
| 11 |
Klein Dov |
Director |
130,105 |
2026-01-05 |
|
| 12 |
Hoenlein Malcolm |
Director |
115,747 |
2026-01-05 |
|
| 13 |
Lorenz Kevin |
Director |
101,009 |
2026-01-05 |
|
| 14 |
Rowinsky Eric K |
Director |
68,797 |
2024-01-03 |
|
| 15 |
Lu Lucy |
Director |
61,273 |
2025-01-03 |
|
| 16 |
Barrett David Jonathan |
Director |
50,000 |
2014-02-24 |
|
| 17 |
Cooper Glenn L Md |
See Remarks |
43,811 |
2012-12-03 |
|
| 18 |
Weisman Harlan F |
Chairman and CEO |
30,000 |
2013-06-21 |
|
| 19 |
Sandage Bobby W Phd |
President |
22,311 |
2013-04-16 |
|
| 20 |
Hehenberger Karin M. |
See Remarks |
20,925 |
2012-06-26 |
|
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 |
