MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

FMR LLC's Holding History (CIK: 0000315066)

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

Q2 2017
Shares 17,250,368 Value ($000) $21,390 Avg Close — Range —
Q1 2017
Shares 19,319,568 Value ($000) $59,504 Avg Close — Range —
Q4 2016
Shares 19,442,391 Value ($000) $79,325 Avg Close — Range —
Q3 2016
Shares 19,386,119 Value ($000) $123,102 Avg Close — Range —
Q2 2016
Shares 19,158,769 Value ($000) $103,265 Avg Close — Range —
Q1 2016
Shares 17,409,085 Value ($000) $145,714 Avg Close — Range —
Q4 2015
Shares 17,336,119 Value ($000) $136,956 Avg Close — Range —
Q3 2015
Shares 16,712,869 Value ($000) $142,226 Avg Close — Range —
Q2 2015
Shares 16,503,650 Value ($000) $204,068 Avg Close — Range —
Q1 2015
Shares 16,139,452 Value ($000) $191,737 Avg Close — Range —
Q4 2014
Shares 15,882,620 Value ($000) $179,473 Avg Close — Range —
Q3 2014
Shares 15,688,138 Value ($000) $137,742 Avg Close — Range —
Q2 2014
Shares 15,510,772 Value ($000) $113,074 Avg Close — Range —
Q1 2014
Shares 15,487,768 Value ($000) $78,059 Avg Close — Range —
Q4 2013
Shares 15,352,128 Value ($000) $81,980 Avg Close — Range —
Q3 2013
Shares 15,593,412 Value ($000) $59,255 Avg Close — Range —
Q2 2013
Shares 15,935,258 Value ($000) $107,245 Avg Close — Range —