Biogen(BIIB) - 2025 Q4 - Earnings Call Transcript

Biogen (NasdaqGS:BIIB) Q4 2025 Earnings call February 06, 2026 08:30 AM ET Speaker1Good morning, my name is Ruth and I will be your conference operator today. At this time, I would like to welcome everyone to the Biogen fourth quarter and full year 2025 earnings call and business update. All lines have been placed on mute to prevent any background noise. After the speaker's remarks, there will be a question-and-answer session. If you would like to ask a question during this time, simply press star 1 on your ...