MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328209 Class: Common Stock

ACADIAN ASSET MANAGEMENT LLC's Holding History (CIK: 0000916542)

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

Q1 2019
Shares 25,058 Value ($000) $174 Avg Close — Range —
Q4 2018
Shares 2,324 Value ($000) $9 Avg Close — Range —