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Fortress Biotech, Inc.

For the period ended Jan 13, 2026. Filed Jan 13, 2026.

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A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Jan 13, 2026 · Filed Jan 13, 2026

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FBIO$1.85+0.5%Stored close · as of Nov 6, 2026
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EX-99.1 · Renal Dysfunction

Renal Dysfunction

Kidney injury has been reported in patients taking ZYCUBO. In patients with Menkes disease, kidney dysfunction may already be present from the accumulation of copper in the kidneys. This may be worsened from the administration of copper in ZYCUBO. The healthcare team will monitor your child's kidney function through periodic laboratory tests before and during ZYCUBO administration. The dose of ZYCUBO may be adjusted as appropriate based on the results of the laboratory tests.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.