GSE SYS INC

CUSIP: 36227K106 Class: COM

JANE STREET GROUP, LLC's Holding History (CIK: 0001595888)

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

Q2 2023
Shares 17,251 Value ($000) $6 Avg Close — Range —
Q1 2023
Shares 12,166 Value ($000) $8 Avg Close — Range —
Q4 2022
Shares 16,738 Value ($000) $12 Avg Close — Range —