Biogen has agreed to acquire RayThera Inc. in a deal valued up to $1.0 billion, composed of an upfront cash payment and contingent milestone payments tied to future clinical and regulatory achievements. The acquisition will bring three preclinical anti-inflammatory programs into Biogen’s immunology pipeline, with RayThera’s lead candidate expected to enter Phase 1 clinical development in early Q3 2026. The transaction is subject to customary closing conditions and regulatory approvals, with completion expected in the third quarter of 2026; Biogen will assume full responsibility for development, manufacturing, and global commercialization of the acquired assets. Sources: Biogen to acquire RayThera for $1 billion - Yahoo Finance Biogen pays up to $1B to add RayThera immunology assets - LinkedIn Biogen (BIIB) to Acquire RayThera Inc. for Up to $1 Billion - GuruFocus Biogen Expands Immunology Pipeline with Agreement to Biogen Acquires RayThera to Expand Immunology Pipeline ...
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