Risk factors

Merck (MRK) risk factors

Item 1A of every Merck & Co., 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
    30 risks1 new9 reworded

    Keytruda sales concentration rose to 49% of total revenue. Gardasil faces severely lower demand in China. Bridion faces U.S. patent expiry in July 2026. AI governance risks now cite the EU AI Act and NIS2 Directive.

    Filed Feb 24, 2026
  • FY2024 10-K risk factors
    29 risks

    Merck depends heavily on patent exclusivity and its oncology portfolio, led by Keytruda, for revenue growth.

    Filed Feb 25, 2025