MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q2 2017
Shares 83,100 Value ($000) $103 Avg Close — Range —
Q1 2017
Shares 83,100 Value ($000) $256 Avg Close — Range —
Q4 2016
Shares 86,700 Value ($000) $354 Avg Close — Range —
Q3 2016
Shares 86,700 Value ($000) $551 Avg Close — Range —
Q2 2016
Shares 92,700 Value ($000) $500 Avg Close — Range —
Q1 2016
Shares 95,600 Value ($000) $800 Avg Close — Range —
Q4 2015
Shares 101,500 Value ($000) $802 Avg Close — Range —
Q3 2015
Shares 101,500 Value ($000) $864 Avg Close — Range —
Q2 2015
Shares 101,500 Value ($000) $1,255 Avg Close — Range —
Q1 2015
Shares 101,500 Value ($000) $1,011 Avg Close — Range —
Q4 2014
Shares 101,500 Value ($000) $1,011 Avg Close — Range —
Q3 2013
Shares 3,900 Value ($000) $15 Avg Close — Range —
Q2 2013
Shares 600 Value ($000) $4 Avg Close — Range —