MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

ProShare Advisors LLC's Holding History (CIK: 0001357955)

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

Q2 2017
Shares 79,312 Value ($000) $98 Avg Close — Range —
Q1 2017
Shares 83,657 Value ($000) $258 Avg Close — Range —
Q4 2016
Shares 105,233 Value ($000) $429 Avg Close — Range —
Q3 2016
Shares 93,485 Value ($000) $594 Avg Close — Range —
Q2 2016
Shares 110,006 Value ($000) $593 Avg Close — Range —
Q1 2016
Shares 100,059 Value ($000) $837 Avg Close — Range —
Q4 2015
Shares 109,770 Value ($000) $867 Avg Close — Range —
Q3 2015
Shares 95,476 Value ($000) $813 Avg Close — Range —
Q2 2015
Shares 101,795 Value ($000) $1,259 Avg Close — Range —
Q1 2015
Shares 105,126 Value ($000) $1,249 Avg Close — Range —
Q4 2014
Shares 91,183 Value ($000) $1,030 Avg Close — Range —
Q3 2014
Shares 92,864 Value ($000) $815 Avg Close — Range —
Q2 2014
Shares 110,590 Value ($000) $806 Avg Close — Range —
Q1 2014
Shares 176,328 Value ($000) $889 Avg Close — Range —
Q4 2013
Shares 52,114 Value ($000) $278 Avg Close — Range —
Q3 2013
Shares 96,936 Value ($000) $368 Avg Close — Range —
Q2 2013
Shares 28,211 Value ($000) $190 Avg Close — Range —