MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q2 2017
Shares 18,865 Value ($000) $23 Avg Close — Range —
Q1 2017
Shares 74,358 Value ($000) $229 Avg Close — Range —
Q4 2016
Shares 11,220 Value ($000) $46 Avg Close — Range —
Q3 2016
Shares 24,600 Value ($000) $156 Avg Close — Range —
Q3 2015
Shares 41,166 Value ($000) $350 Avg Close — Range —
Q4 2014
Shares 68,340 Value ($000) $772 Avg Close — Range —
Q3 2014
Shares 169,710 Value ($000) $1,490 Avg Close — Range —
Q4 2013
Shares 21,107 Value ($000) $113 Avg Close — Range —
Q3 2013
Shares 22,907 Value ($000) $87 Avg Close — Range —
Q2 2013
Shares 11,849 Value ($000) $80 Avg Close — Range —