MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328209 Class: Common Stock

22NW, LP's Holding History (CIK: 0001694297)

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

Q4 2022
Shares 1,015,048 Value ($000) $11,632 Avg Close — Range —
Q3 2022
Shares 1,231,014 Value ($000) $4,616 Avg Close — Range —
Q2 2022
Shares 1,241,896 Value ($000) $7,389 Avg Close — Range —
Q1 2022
Shares 1,241,896 Value ($000) $7,855 Avg Close — Range —
Q4 2021
Shares 1,241,896 Value ($000) $4,856 Avg Close — Range —
Q3 2021
Shares 1,241,896 Value ($000) $5,998 Avg Close — Range —
Q2 2021
Shares 1,241,896 Value ($000) $7,936 Avg Close — Range —
Q1 2021
Shares 1,241,896 Value ($000) $7,799 Avg Close — Range —
Q4 2020
Shares 1,241,896 Value ($000) $8,557 Avg Close — Range —
Q3 2020
Shares 1,241,896 Value ($000) $4,968 Avg Close — Range —
Q2 2020
Shares 1,241,896 Value ($000) $4,136 Avg Close — Range —
Q1 2020
Shares 1,241,896 Value ($000) $2,670 Avg Close — Range —
Q4 2019
Shares 1,241,896 Value ($000) $3,912 Avg Close — Range —
Q3 2019
Shares 1,241,896 Value ($000) $5,589 Avg Close — Range —
Q2 2019
Shares 1,241,896 Value ($000) $7,513 Avg Close — Range —
Q1 2019
Shares 1,092,263 Value ($000) $7,591 Avg Close — Range —
Q4 2018
Shares 749,302 Value ($000) $2,892 Avg Close — Range —