GSE SYS INC

CUSIP: 36227K106 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q3 2022
Shares 426,971 Value ($000) $384 Avg Close — Range —
Q2 2022
Shares 455,319 Value ($000) $569 Avg Close — Range —
Q1 2022
Shares 455,319 Value ($000) $947 Avg Close — Range —
Q4 2021
Shares 383,986 Value ($000) $657 Avg Close — Range —
Q2 2019
Shares 43,862 Value ($000) $103 Avg Close — Range —
Q1 2019
Shares 190,376 Value ($000) $533 Avg Close — Range —
Q4 2018
Shares 91,821 Value ($000) $193 Avg Close — Range —
Q3 2018
Shares 98,762 Value ($000) $356 Avg Close — Range —