MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328209 Class: Common Stock

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q1 2024
Shares 280 Value ($000) $4 Avg Close Range
Q4 2023
Shares 1,266 Value ($000) $17 Avg Close Range
Q3 2023
Shares 1,164 Value ($000) $14 Avg Close Range
Q2 2023
Shares 10,567 Value ($000) $130 Avg Close Range
Q1 2023
Shares 1,235 Value ($000) $0 Avg Close Range
Q4 2022
Shares 3,242 Value ($000) $0 Avg Close Range
Q3 2022
Shares 185 Value ($000) $1 Avg Close Range
Q2 2022
Shares 60 Value ($000) $0 Avg Close Range
Q1 2022
Shares 193 Value ($000) $1 Avg Close Range
Q4 2021
Shares 628 Value ($000) $2 Avg Close Range
Q3 2021
Shares 67 Value ($000) $0 Avg Close Range
Q1 2021
Shares 2,579 Value ($000) $16 Avg Close Range
Q4 2020
Shares 1,948 Value ($000) $13 Avg Close Range
Q3 2020
Shares 499 Value ($000) $2 Avg Close Range
Q1 2020
Shares 773 Value ($000) $2 Avg Close Range
Q4 2019
Shares 2,533 Value ($000) $8 Avg Close Range
Q3 2019
Shares 2,842 Value ($000) $13 Avg Close Range
Q2 2019
Shares 3,297 Value ($000) $20 Avg Close Range
Q1 2019
Shares 843 Value ($000) $6 Avg Close Range
Q4 2018
Shares 19,063 Value ($000) $73 Avg Close Range
Q3 2018
Shares 16,028 Value ($000) $86 Avg Close Range
Q2 2018
Shares 7,215 Value ($000) $36 Avg Close Range
Q1 2018
Shares 1,773 Value ($000) $14 Avg Close Range
Q3 2017
Shares 3,453 Value ($000) $50 Avg Close Range