Attached files

file filename
EX-31.1 - EX-31.1 - MERRIMACK PHARMACEUTICALS INCd851670dex311.htm
EX-32.2 - EX-32.2 - MERRIMACK PHARMACEUTICALS INCd851670dex322.htm
EX-10.9 - EX-10.9 - MERRIMACK PHARMACEUTICALS INCd851670dex109.htm
EX-23.1 - EX-23.1 - MERRIMACK PHARMACEUTICALS INCd851670dex231.htm
EX-10.6 - EX-10.6 - MERRIMACK PHARMACEUTICALS INCd851670dex106.htm
EX-31.2 - EX-31.2 - MERRIMACK PHARMACEUTICALS INCd851670dex312.htm
EX-10.33 - EX-10.33 - MERRIMACK PHARMACEUTICALS INCd851670dex1033.htm
EX-10.15 - EX-10.15 - MERRIMACK PHARMACEUTICALS INCd851670dex1015.htm
EX-10.22 - EX-10.22 - MERRIMACK PHARMACEUTICALS INCd851670dex1022.htm
EXCEL - IDEA: XBRL DOCUMENT - MERRIMACK PHARMACEUTICALS INCFinancial_Report.xls
10-K - FORM 10-K - MERRIMACK PHARMACEUTICALS INCd851670d10k.htm
EX-32.1 - EX-32.1 - MERRIMACK PHARMACEUTICALS INCd851670dex321.htm

Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT

 

Name

   Jurisdiction of Incorporation
Merrimack Pharmaceuticals UK Limited*    UK
Silver Creek Pharmaceuticals, Inc.    Delaware

 

* wholly owned