Merrimack Divests Early Stage Asset for $2.25 Million; Provides Strategy Update

CAMBRIDGE, Mass.--(BUSINESS WIRE)--Merrimack Pharmaceuticals, Inc. (Nasdaq: MACK) [(“Merrimack” or the “Company”)] today announced receipt of $2.25 million in connection with the closing of a transaction in which the Company sold certain assets related to its preclinical nanoliposome programs to Celator Pharmaceuticals, Inc. Merrimack will not receive any further contingent consideration or royalties as a result of this transaction.