Biogen is continuing to thin its pipeline, dropping a phase 2 program acquired in the $7.3 billion Reata Pharmaceuticals buyout and kicking early-stage Alzheimer’s and Parkinson’s prospects ...

Biogen has arrived at a highly unusual solution to a dispute surrounding a patent for its blockbuster multiple sclerosis drug Tecfidera. It has agreed to pay Denmark’s Forward Pharma $1.25 ...

Biogen expects full-year 2025 total revenue to decline by a mid-single digit percentage. The company’s stock was down about 6% at 10 a.m. on Wednesday with shares priced at around $131 apiece.

Biogen Inc.’s stock BIIB tumbled 7% Wednesday, after the biotech beat fourth-quarter earnings estimates but offered guidance that lagged behind consensus, as sales of its multiple sclerosis drug ...