MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

EAM Investors, LLC's Holding History (CIK: 0001510989)

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

Q2 2015
Shares 350,410 Value ($000) $4,333 Avg Close — Range —
Q1 2015
Shares 372,015 Value ($000) $4,420 Avg Close — Range —
Q4 2014
Shares 412,233 Value ($000) $4,658 Avg Close — Range —
Q3 2014
Shares 272,905 Value ($000) $2,396 Avg Close — Range —
Q2 2014
Shares 118,313 Value ($000) $863 Avg Close — Range —