Amgen (AMGN) Stock: What to Know Before the U.S. Market Opens on Dec. 15, 2025
Amgen shares closed at $317.74, down 0.37%, ahead of Monday’s session. The FDA approved Uplizna for generalized myasthenia gravis on Dec. 11, expanding its label. Amgen’s board declared a $2.52 per share Q1 2026 dividend, payable March 6. Market capitalization stands near $171 billion.