MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q3 2014
Shares 127,449 Value ($000) $1,119 Avg Close — Range —
Q2 2014
Shares 38,196 Value ($000) $278 Avg Close — Range —