MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328209 Class: Common Stock

Rubric Capital Management LP's Holding History (CIK: 0001687509)

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

Q3 2018
Shares 554,338 Value ($000) $2,955 Avg Close — Range —
Q2 2018
Shares 476,164 Value ($000) $2,338 Avg Close — Range —
Q1 2018
Shares 476,164 Value ($000) $3,833 Avg Close — Range —
Q4 2017
Shares 410,244 Value ($000) $4,205 Avg Close — Range —
Q3 2017
Shares 337,868 Value ($000) $4,913 Avg Close — Range —