MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q2 2017
Shares 1,448,367 Value ($000) $1,796 Avg Close — Range —
Q1 2017
Shares 1,420,124 Value ($000) $4,374 Avg Close — Range —
Q4 2016
Shares 1,435,135 Value ($000) $5,856 Avg Close — Range —
Q3 2016
Shares 1,373,741 Value ($000) $8,723 Avg Close — Range —
Q2 2016
Shares 1,386,784 Value ($000) $7,475 Avg Close — Range —
Q1 2016
Shares 1,339,018 Value ($000) $11,211 Avg Close — Range —
Q4 2015
Shares 1,308,642 Value ($000) $10,338 Avg Close — Range —
Q3 2015
Shares 1,230,872 Value ($000) $10,475 Avg Close — Range —
Q2 2015
Shares 1,204,788 Value ($000) $14,897 Avg Close — Range —
Q1 2015
Shares 1,118,748 Value ($000) $13,291 Avg Close — Range —
Q4 2014
Shares 1,085,484 Value ($000) $12,265 Avg Close — Range —
Q3 2014
Shares 1,130,109 Value ($000) $9,923 Avg Close — Range —
Q2 2014
Shares 1,133,939 Value ($000) $8,266 Avg Close — Range —
Q1 2014
Shares 1,259,551 Value ($000) $6,348 Avg Close — Range —
Q4 2013
Shares 1,351,195 Value ($000) $7,203 Avg Close — Range —
Q3 2013
Shares 1,313,717 Value ($000) $4,979 Avg Close — Range —
Q2 2013
Shares 498,914 Value ($000) $3,363 Avg Close — Range —