GLOBAL SYSTEMS DYNAMICS INC

CUSIP: 37653T116 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q4 2023
Shares 26,999 Value ($000) $0 Avg Close — Range —
Q3 2023
Shares 26,999 Value ($000) $1 Avg Close — Range —
Q2 2023
Shares 26,999 Value ($000) $1 Avg Close — Range —
Q1 2023
Shares 26,999 Value ($000) $2 Avg Close — Range —
Q4 2022
Shares 26,999 Value ($000) $1 Avg Close — Range —
Q3 2022
Shares 26,999 Value ($000) $2 Avg Close — Range —
Q2 2022
Shares 26,999 Value ($000) $8 Avg Close — Range —
Q1 2022
Shares 26,999 Value ($000) $9 Avg Close — Range —
Q4 2021
Shares 26,999 Value ($000) $13 Avg Close — Range —