MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

COOKSON PEIRCE & CO INC's Holding History (CIK: 0001141455)

Note: Option positions (PUT/CALL) are excluded.

Q2 2014
Shares 29,365 Value ($000) $214 Avg Close — Range —
Q1 2014
Shares 22,095 Value ($000) $111 Avg Close — Range —