Insiders / Fortress Biotech, Inc.

Fortress Biotech, Inc.

CIK 1429260companyissuerinsiderbeneficial ownerfortressbiotech.com ↗

Companies

First seen

Jan 5, 2026

Last activity

Mar 20, 2026

Companies

Company	Role	Shares held	Peak held	Trades	Latest
Mustang Bio, Inc. · MBIO	10% owner	536,577	536,577	1	—
Avenue Therapeutics, Inc. · ATXI	10% owner	439,733	439,733	1	—

2 positions · latest reported per filing

Company	Security	Shares	As of
Avenue Therapeutics, Inc.	COMMON STOCK, PAR VALUE $0.0001	439,733	Jan 2, 2026
Mustang Bio, Inc.	COMMON STOCK, PAR VALUE $0.0001	536,577	Jan 2, 2026

InsidersInstitutions

This person's insider trades (Form 4), across every company.

Date	Action	Company	Value	Shares Δ	Position after	Impact
Jan 2, 2026	Grant	MBIO Mustang Bio, Inc. COMMON STOCK, PAR VALUE $0.0001	$0	+278K +107.82%	536,577 7.08% of shares	low
Jan 2, 2026	Grant	ATXI Avenue Therapeutics, Inc. COMMON STOCK, PAR VALUE $0.0001	$0	+111K +33.85%	439,733 13.35% of shares	low