MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328209 Class: Common Stock

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q1 2024
Shares 20,401 Value ($000) $301 Avg Close — Range —
Q4 2023
Shares 21,834 Value ($000) $293 Avg Close — Range —
Q4 2022
Shares 42,490 Value ($000) $487 Avg Close — Range —
Q3 2022
Shares 21,519 Value ($000) $81 Avg Close — Range —
Q2 2022
Shares 24,919 Value ($000) $148 Avg Close — Range —
Q1 2022
Shares 30,739 Value ($000) $194 Avg Close — Range —
Q4 2021
Shares 35,966 Value ($000) $141 Avg Close — Range —
Q3 2021
Shares 45,915 Value ($000) $222 Avg Close — Range —
Q2 2021
Shares 62,119 Value ($000) $397 Avg Close — Range —
Q1 2021
Shares 216,841 Value ($000) $1,362 Avg Close — Range —
Q4 2020
Shares 267,555 Value ($000) $1,843 Avg Close — Range —
Q4 2019
Shares 18,714 Value ($000) $59 Avg Close — Range —
Q3 2019
Shares 22,314 Value ($000) $100 Avg Close — Range —
Q2 2019
Shares 23,014 Value ($000) $139 Avg Close — Range —
Q1 2019
Shares 49,483 Value ($000) $344 Avg Close — Range —
Q4 2018
Shares 72,877 Value ($000) $281 Avg Close — Range —
Q3 2018
Shares 56,623 Value ($000) $302 Avg Close — Range —