10-KThe Record
BIOGEN INC. files 10-K
Filed Feb 6, 2026 · 4mo ago · Accession 0000875045-26-000013
Plain English
Annual report — full-year financials, business overview, and risk factors.
Read the source below for the full document.
Filing details
- Company
- BIOGEN INC.
- Ticker
- BIIB
- CIK
- 875045
- Form type
- 10-K
- Filing date
- Feb 6, 2026
- Report date
- Dec 31, 2025
- Document
- biib-20251231.htm
- Size
- 24.9 MB