MARKER THERAPEUTICS INC

CUSIP: 57055L107 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2022
Shares 2,889 Value ($000) $1 Avg Close — Range —
Q3 2022
Shares 5,258 Value ($000) $2 Avg Close — Range —
Q2 2022
Shares 3,158 Value ($000) $1 Avg Close — Range —
Q1 2022
Shares 30,425 Value ($000) $13 Avg Close — Range —
Q4 2021
Shares 28,854 Value ($000) $27 Avg Close — Range —
Q1 2020
Shares 757 Value ($000) $1 Avg Close — Range —
Q4 2019
Shares 5,813 Value ($000) $17 Avg Close — Range —
Q3 2019
Shares 13,713 Value ($000) $70 Avg Close — Range —
Q2 2019
Shares 7,530 Value ($000) $60 Avg Close — Range —