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8-K filed December 1, 2025, 6:59 PM ET ticker OMER CIK 0001285819
M&A confidence high sentiment positive materiality 0.95

OMEROS CORP (OMER): M&A transaction — Omeros closes zaltenibart sale to Novo Nordisk for $240M upfront; repays debt, launches $100M buyback

OMEROS CORP

Key facts

Extracted from this filing and checked against the source text.

M&A Transactions SEC 8-K Item 2.01/5.01 confidence 0.95

OMEROS CORP completed a disposition involving Novo Nordisk Health Care AG for upfront cash payment of $240.0 million at closing, plus potential milestone payments up to $1.81 billion (development and sales-based milestones) and tiered roy (closed 2025-11-25).

Action
disposition
Counterparty
Novo Nordisk Health Care AG
Consideration
upfront cash payment of $240.0 million at closing, plus potential milestone payments up to $1.81 billion (development and sales-based milestones) and tiered roy
Closing
2025-11-25
Exact text from the filing
development and commercialization activities of both companies (the “Transaction”). At the closing of the Transaction (the “Closing”), Omeros received an upfront cash payment of $240.0 million, approximately $72.6 million of which was used to repay the Credit Agreement as described in Item 1.02 above. In addition, Omeros can receive (i) up to a total of $510 million in
View on SEC.gov
Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.9

OMEROS CORP entered into Asset Purchase Agreement with Novo Nordisk valued at Upfront cash payment of $240 million, plus up to $510 million in development/approval milestones and (effective 2025-12-01).

Action
entry
Agreement
asset purchase
Counterparty
Novo Nordisk
Value
Upfront cash payment of $240 million, plus up to $510 million in development/approval milestones and
Effective
2025-12-01
Exact text from the filing
the closing of the Transaction (the “Closing”), Omeros received an upfront cash payment of $240.0 million, approximately $72.6 million of which was used to repay the Credit Agreement as described in Item 1.02 above. In addition, Omeros can receive (i) up to a total of $510 million in one-time milestone payments upon the first achievement by Novo Nordisk or its affiliates or sublicensees of each of the development and approval milestone events as set forth in the Agreement and (ii) up to $1.3 billion in one-time milestone payments upon the first achievement by Novo Nordisk or its affiliates or sublicensees of certain sales-based milestone events as set forth in the Agreement. The upfront cash received at closing and the potential milestone payments represent a total of $2.1 billion.
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Source: SEC EDGAR
accession 0001437749-25-036507
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