MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328209 Class: Common Stock

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q2 2018
Shares 3,473 Value ($000) $17 Avg Close — Range —
Q1 2018
Shares 3,473 Value ($000) $28 Avg Close — Range —
Q4 2017
Shares 3,473 Value ($000) $36 Avg Close — Range —
Q3 2017
Shares 3,473 Value ($000) $50 Avg Close — Range —