Omeros (OMER) Stock Surges After FDA Approval of Yartemlea: Latest News, Analyst Forecasts, and 2026 Outlook
December 25, 2025 — Omeros Corporation (NASDAQ: OMER) is having the kind of week biotech investors daydream about: a long-awaited U.S. regulatory win, a sharp stock re-rating, and a sudden pivot from “development-stage hope” to “commercial-stage execution.” The spark was the U.S. FDA approval of YARTEMLEA® (narsoplimab-wuug) as the first and only therapy indicated for hematopoietic stem cell transplant–associated thrombotic…