MERRIMACK PHARMACEUTICALS INC
Filing Type: S-1
Filing Date: 20110708
Documents
S-1
EX-4.5
EX-10.1
EX-10.17 ASSIGNMENT, SUBLICENSE & COLLABORATION AGREEMENT BETWEEN MERRIMACK (BERMUDA) & PHARMAENGINE
EX-10.17
EX-10.20
EX-10.21