Merrimack Pharmaceuticals Inc. has signed a lease for a bit less than 110,000 square feet of space at One Kendall Square in Cambridge, said a broker involved in the transaction.

The broker is Colliers International, which represented Merrimack in the lease negotiations. The lease represents a 25,000 square foot expansion for Merrimack. The firm Cassidy Turley FHO represented the landlord, the Beal Cos., in lease negotiations.

A biopharmaceutical company, Merrimack looks to commercialize innovative medicines paired with companion diagnostics for the treatment of serious diseases, with an initial focus on cancer.

Advertisement - Continue Reading Below

The One Kendall Square campus is made up of nine buildings totaling more than 670,000 square feet of laboratory, office, and retail space. The site is a short walk to the MIT campus and the MBTA Red Line station at Kendall Square.