Welcome to our dedicated page for Fortress Biotech SEC filings (Ticker: FBIO), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Fortress Biotech, Inc. filings document a biopharmaceutical issuer with common stock and 9.375% Series A Cumulative Redeemable Perpetual Preferred Stock listed on the Nasdaq Capital Market. Its SEC record includes Form 8-K reports on operating results, FDA approvals, priority review voucher monetization, credit agreement amendments and subsidiary capital actions.
Proxy materials describe annual meeting matters, board governance, executive compensation and equity awards. Registration statements and material-event filings add disclosure on securities offerings, capital structure, risk factors, material agreements and ownership interests in portfolio companies such as Cyprium Therapeutics and Journey Medical.
Fortress Biotech reported 2025 results showing a sharp improvement in profitability driven by asset monetizations and partner activity. Net revenue was $63.3 million for the year ended December 31, 2025, up from $57.7 million in 2024, mainly from product and other revenue.
Net income attributable to Fortress was $6.8 million, compared with a loss of $46.0 million in 2024, helped by a $27.1 million gain from deconsolidation of a subsidiary and $17.6 million of other income. Net loss attributable to common stockholders narrowed to $1.9 million, or $(0.07) per share.
Operationally, the FDA approved ZYCUBO for Menkes disease, and subsidiary Cyprium sold a Rare Pediatric Disease Priority Review Voucher for $205 million, with potential tiered royalties and up to approximately $128 million in sales milestones. The Checkpoint Therapeutics acquisition by Sun Pharma created eligibility for up to an additional $4.8 million under a contingent value right plus a 2.5% royalty on UNLOXCYT sales. Fortress also holds a 3% royalty on dotinurad sales through Crystalys Therapeutics.
Fortress Biotech reported that its majority-owned subsidiary Cyprium Therapeutics has closed the sale of its Rare Pediatric Disease Priority Review Voucher for $205 million in gross proceeds under a previously disclosed asset purchase agreement. In connection with the transaction, Cyprium redeemed all outstanding shares of its 9.375% Perpetual Preferred Stock.
Fortress, which owns 80.4% of Cyprium’s outstanding common stock on an as-converted basis, expects to receive at least $100.0 million from Cyprium through potential future dividends and intercompany agreements, including intercompany debt, interest and accrued expenses. Cyprium must pay 20% of the PRV sale proceeds to an institute of the National Institutes of Health and also remains eligible to receive tiered royalties on net sales of ZYCUBO and up to approximately $128 million in aggregate sales milestones from Sentynl Therapeutics.
Fortress Biotech’s chairman, president and CEO Lindsay A. Rosenwald filed Amendment No. 5 to his Schedule 13D, reporting beneficial ownership of 6,917,715 shares of common stock, or 20.7% of the company, based on 31,037,937 shares outstanding as reported in a December 2025 prospectus supplement.
The position includes 4,050,765 issued shares held directly, 475,424 unvested restricted shares subject to repurchase, 2,330,874 shares underlying currently exercisable warrants, and smaller holdings through Paramount Biosciences, LLC and Capretti Grandi LLC over which he has voting and dispositive control. It excludes 96,919 shares held by family trusts where he lacks such control.
The amendment reflects equity grants of 454,153 shares on January 1, 2025 and 475,424 shares on March 18, 2026 under Fortress Biotech’s Long Term Incentive Plan, awarded after he achieved 100% of goals set by the compensation committee. Rosenwald states he has no present plans for major corporate actions or additional acquisitions or dispositions beyond this compensation-related ownership.
ROSENWALD LINDSAY A MD reported acquisition or exercise transactions in this Form 4 filing.
Fortress Biotech, Inc. reported that President, CEO & Chairman Lindsay A. Rosenwald received a grant of 475,424 shares of common stock on March 18, 2026. These are restricted shares awarded under the company’s Long-Term Incentive Plan, rather than an open-market purchase.
Following this equity award, Rosenwald directly holds 4,586,841 shares of Fortress Biotech common stock. The transaction reflects stock-based compensation that further ties the executive’s interests to the company’s long-term performance.
WEISS MICHAEL S reported acquisition or exercise transactions in this Form 4 filing.
Fortress Biotech, Inc. insider Michael S. Weiss, the Executive Vice Chairman, received a grant of 475,424 shares of common stock on March 18, 2026. These restricted shares were awarded under the company’s Long-Term Incentive Plan and increased his direct holdings to 2,276,562 shares. This is a compensation-related equity award rather than an open-market purchase or sale.
Fortress Biotech’s majority-owned subsidiary Cyprium Therapeutics agreed to sell its FDA Rare Pediatric Disease Priority Review Voucher for $205 million in cash, payable at closing. The voucher was granted after ZYCUBO was approved to treat Menkes disease in pediatric patients.
Fortress owns 80.4% of Cyprium’s common stock and expects to receive at least $100 million over time from Cyprium through dividends and intercompany arrangements, subject to closing, taxes, required payments to a National Institutes of Health institute, Cyprium’s preferred stock redemption and other obligations. Fortress also amended its Oaktree credit agreement to ease several financial covenants after the PRV sale and to apply $10 million of proceeds, plus interest and a yield protection premium, to mandatory loan prepayment.
Fortress Biotech, Inc. reported that the U.S. Food and Drug Administration approved ZYCUBO (copper histidinate, formerly CUTX-101) for the treatment of Menkes disease in pediatric patients. This represents regulatory clearance for a therapy aimed at a rare pediatric condition.
In connection with this FDA approval, a Rare Pediatric Disease Priority Review Voucher was issued and will be transferred to Cyprium Therapeutics, Inc., a majority-owned subsidiary of Fortress Biotech. The company furnished a press release with further details as an exhibit.
Fortress Biotech, Inc. is registering up to 600,000 shares of its common stock for resale by Oaktree Fund Administration, LLC and affiliated selling stockholders. These shares are issuable upon exercise of warrants granted under a credit agreement amendment.
The selling stockholders may sell the shares over time on Nasdaq or in private transactions, using various methods described in the plan of distribution. Fortress will pay the registration costs but will not receive any proceeds from the resale of these shares. Its common stock trades on the Nasdaq Capital Market under the symbol FBIO, and 31,037,937 shares were outstanding as of December 11, 2025.
Fortress Biotech, Inc. is registering up to 600,000 shares of common stock for potential resale by Oaktree-affiliated selling stockholders. These shares are issuable upon exercise of warrants granted under a December 12, 2025 amendment to Fortress’s senior credit agreement, with an exercise price of $2.62 per share and an expiration date of July 25, 2031. The warrants became immediately exercisable and include anti-dilution adjustments and an option for net exercise without cash payment.
Fortress’s common stock trades on the Nasdaq Capital Market under the symbol FBIO, and the last reported sale price on December 11, 2025 was $2.94 per share. There were 31,037,937 shares outstanding as of that date, which would rise to 31,637,937 shares if all 600,000 warrant shares were issued. Fortress will not receive any proceeds from the resale of these shares but will cover registration expenses, while investors are referred to the company’s incorporated risk factor disclosures for a detailed discussion of risks.