EX-21.1 3 d125943dex211.htm EX-21.1 EX-21.1

Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT

 

Name

   

Jurisdiction of Incorporation

Merrimack Pharmaceuticals UK Limited*

    UK

Silver Creek Pharmaceuticals, Inc.

    Delaware

Crane Therapeutics, Inc.*

    Delaware

 

* wholly owned