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’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. filed Amendment No. 8 to its Schedule 13D for Avenue Therapeutics, Inc., reporting beneficial ownership of 439,955 shares of Avenue common stock, equal to 13.4% of the outstanding common shares. This total includes 250,000 shares of Class A preferred stock, which are convertible into 222 shares of common stock and are structured so that the Class A preferred will at all times constitute a voting majority. Fortress owns all outstanding Class A preferred shares, giving it majority voting control despite a minority economic stake.
Fortress’s ownership also reflects an Annual Equity Grant under a Founders Agreement, through which Avenue issues to Fortress each year shares equal to 2.5% of Avenue’s fully diluted outstanding equity. In addition, as holder of the Class A preferred, Fortress is entitled each January 1 to stock dividends in Avenue common equal to 2.5% of Avenue’s fully diluted outstanding capitalization. The filing notes 296 Avenue common shares underlying outstanding warrants granted by Fortress to two of its executives, with Fortress retaining sole voting power but shared dispositive power over those warrant shares.
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.
Fortress Biotech, Inc. entered into a first amendment to its term loan credit agreement with Oaktree Fund Administration that extends the loan maturity, adjusts covenants and grants new stock warrants to the lenders. The company initially borrowed $35.0 million under the facility in July 2024 and currently has about $29.5 million outstanding.
The amendment moves the loan’s maturity from July 25, 2027 to June 30, 2028, with quarterly interest payments until maturity. Principal will be repaid based on the outstanding balance as of September 30, 2027: 12.5% due on September 30, 2027, another 12.5% on December 31, 2027, 37.5% on March 31, 2028, and the remaining 37.5% at maturity.
Journey Medical Corporation, a controlled subsidiary, is now subject to higher minimum product net sales covenants, rising from $60.0 million at December 31, 2025 to $80.0 million at December 31, 2026 and each quarter-end thereafter, with an event of default possible if these levels are not met while loan principal exceeds $10.0 million. In connection with the amendment, Fortress granted warrants to purchase up to 600,000 common shares at $2.62 per share, with anti-dilution and price-reset features, immediately exercisable through July 25, 2031 and issued as unregistered securities under Section 4(a)(2), with a planned resale registration.