SEC Form 4 · Updated Daily

FBIO

FORTRESS BIOTECH, INC. Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

FinancialsOwnership

Current Reporting Owners

OwnerRoleShares OwnedAs OfLast Activity
ROSENWALD LINDSAY A MD10%+ Owner · Director · Officer4,586,8412026-03-18A
WEISS MICHAEL SDirector · Officer2,276,5622026-03-18A
Jin DavidOfficer1,651,5712026-06-22A
LOBELL J JAYDirector192,3972026-01-01A
Harvey JimmieDirector146,7042026-01-01A
Klein DovDirector130,1052026-01-01A
Hoenlein MalcolmDirector115,7472026-01-01A
Lorenz KevinDirector101,0092026-01-01A
Lu LucyDirector61,2732025-01-01A

Recent Filings

DateOwnerActivitySharesPriceOwned After
2026-06-22Jin DavidGrant / award400,000$0.001,651,571
2026-04-01Jin DavidGrant / award2,967$2.181,251,571
2026-03-18WEISS MICHAEL SGrant / award475,424$0.002,276,562
2026-03-18ROSENWALD LINDSAY A MDGrant / award475,424$0.004,586,841
2026-01-01LOBELL J JAYGrant / award27,322$0.00192,397
2026-01-01Hoenlein MalcolmGrant / award27,322$0.00115,747
2026-01-01Lorenz KevinGrant / award27,322$0.00101,009
2026-01-01Harvey JimmieGrant / award27,322$0.00146,704
2026-01-01Klein DovGrant / award27,322$0.00130,105
2025-10-01Jin DavidGrant / award2,711$1.311,248,604
2025-04-01Jin DavidGrant / award5,000$1.221,245,893
2025-01-01ROSENWALD LINDSAY A MDGrant / award454,153$0.004,111,417
2025-01-01WEISS MICHAEL SGrant / award454,153$0.001,801,138
2025-01-01Hoenlein MalcolmGrant / award49,383$0.0088,425
2025-01-01Lorenz KevinGrant / award49,383$0.0073,687
2025-01-01Harvey JimmieGrant / award49,383$0.00119,382
2025-01-01Lu LucyGrant / award49,383$0.0061,273
2025-01-01Klein DovGrant / award49,383$0.00102,783
2025-01-01LOBELL J JAYGrant / award49,383$0.00165,075
2024-12-19Jin DavidGrant / award1,000,000$0.001,240,893
2024-10-01Jin DavidGrant / award2,625$1.23240,893
2024-09-23ROSENWALD LINDSAY A MDOpen-market buy (derivative)763,359$0.13763,359
2024-09-23ROSENWALD LINDSAY A MDOpen-market buy763,359$1.843,657,264
2024-07-11ROSENWALD LINDSAY A MDOpen-market buy5,000$7.48127,500
2024-07-10Jin DavidOpen-market buy500$7.50500

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.