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Source document· December 1, 2025

Omeros Corporation Announces Closing of Asset Purchase and License Agreement with Novo Nordisk for Omeros’ Clinical-Stage MASP-3 Inhibitor Zaltenibart (OMS906)

View original at finance.yahoo.com
Omeros Corporation Announces Closing of Asset Purchase and License Agreement with Novo Nordisk for Omeros’ Clinical-Stage MASP-3 Inhibitor Zaltenibart (OMS906) SEATTLE, December 01, 2025--(BUSINESS WIRE)--Omeros Corporation (Nasdaq: OMER) today announced the closing of the asset sale and licensing transaction between O…
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  • Omeros is eligible to receive up to $2.1 billion including potential development and commercial milestones, plus tiered royalties on net sales

    80% confidence
  • The remaining proceeds from the closing payment will be sufficient to repay at or prior to maturity the remaining $17.1 million principal balance on its 2026 Convertible Notes and fund more than 12 months of operations, including the anticipated U.S. launch of narsoplimab for TA-TMA

    80% confidence
  • MASP-3 inhibition preserves classical pathway activity, which is critical to vaccine-induced immunity and defense against infections, unlike inhibitors of C3 or C5

    80% confidence
  • MASP-3 is not believed to be an acute-phase reactant, potentially offering another significant advantage for MASP-3 inhibitors like zaltenibart

    80% confidence
  • Zaltenibart has shown multiple potential advantages over other alternative pathway inhibitors in development or on the market

    80% confidence
  • MASP-3 is considered a highly attractive therapeutic target due to low systemic levels compared to other alternative pathway proteins and slow clearance from circulation

    80% confidence
  • Omeros is eligible to receive upfront and near-term milestone payments up to $340 million

    80% confidence
  • Novo Nordisk is strongly positioned to develop zaltenibart into a differentiated and potentially best-in-class treatment approach for a number of rare blood and kidney disorders

    80% confidence
Omeros Corporation Announces Closing of Asset Purchase and License Agreement with Novo Nordisk for Omeros’ Clinical-Stage MASP-3 Inhibitor Zaltenibart (OMS906) — Source | Via News | Via News