Risk factors

Biogen (BIIB) risk factors

Item 1A of every Biogen Inc. 10-K on file, and what changed from one year to the next. Readings are automated and can be wrong; check the filing for the exact wording.

  • FY2025 10-K risk factors
    35 risks6 new5 dropped12 reworded

    Biogen highlights risks from healthcare reform laws like PPACA, IRA, and OBBBA impacting drug reimbursement.

    Filed Feb 06, 2026
  • FY2024 10-K risk factors
    34 risks

    Heavy reliance on key product revenues and anti-CD20 therapeutic programs in competitive markets.

    Filed Feb 12, 2025