GSE SYS INC

CUSIP: 36227K106 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q3 2023
Shares 34,732 Value ($000) $7 Avg Close — Range —
Q2 2023
Shares 34,732 Value ($000) $13 Avg Close — Range —
Q1 2023
Shares 34,732 Value ($000) $24 Avg Close — Range —
Q4 2022
Shares 34,732 Value ($000) $25 Avg Close — Range —
Q3 2022
Shares 34,732 Value ($000) $31 Avg Close — Range —
Q2 2022
Shares 34,732 Value ($000) $43 Avg Close — Range —
Q1 2022
Shares 34,732 Value ($000) $72 Avg Close — Range —
Q4 2021
Shares 34,732 Value ($000) $59 Avg Close — Range —
Q3 2021
Shares 34,732 Value ($000) $51 Avg Close — Range —
Q2 2021
Shares 34,732 Value ($000) $62 Avg Close — Range —
Q1 2021
Shares 34,732 Value ($000) $59 Avg Close — Range —
Q4 2020
Shares 24,137 Value ($000) $32 Avg Close — Range —
Q3 2020
Shares 25,643 Value ($000) $27 Avg Close — Range —
Q2 2020
Shares 25,524 Value ($000) $26 Avg Close — Range —
Q1 2020
Shares 23,938 Value ($000) $22 Avg Close — Range —
Q4 2019
Shares 23,908 Value ($000) $39 Avg Close — Range —
Q3 2019
Shares 24,011 Value ($000) $42 Avg Close — Range —
Q2 2019
Shares 24,211 Value ($000) $57 Avg Close — Range —
Q1 2019
Shares 24,211 Value ($000) $68 Avg Close — Range —
Q4 2018
Shares 24,211 Value ($000) $51 Avg Close — Range —
Q3 2018
Shares 24,487 Value ($000) $88 Avg Close — Range —
Q2 2018
Shares 24,487 Value ($000) $80 Avg Close — Range —
Q1 2018
Shares 24,768 Value ($000) $81 Avg Close — Range —
Q4 2017
Shares 25,168 Value ($000) $82 Avg Close — Range —
Q3 2017
Shares 26,494 Value ($000) $94 Avg Close — Range —
Q2 2017
Shares 26,694 Value ($000) $83 Avg Close — Range —
Q1 2017
Shares 25,632 Value ($000) $87 Avg Close — Range —
Q4 2016
Shares 19,509 Value ($000) $68 Avg Close — Range —
Q3 2016
Shares 19,224 Value ($000) $56 Avg Close — Range —
Q2 2016
Shares 19,163 Value ($000) $43 Avg Close — Range —
Q1 2016
Shares 19,163 Value ($000) $53 Avg Close — Range —
Q4 2015
Shares 19,163 Value ($000) $46 Avg Close — Range —
Q3 2015
Shares 19,163 Value ($000) $28 Avg Close — Range —
Q2 2015
Shares 19,163 Value ($000) $29 Avg Close — Range —
Q1 2015
Shares 28,620 Value ($000) $43 Avg Close — Range —
Q4 2014
Shares 29,774 Value ($000) $48 Avg Close — Range —
Q3 2014
Shares 29,707 Value ($000) $47 Avg Close — Range —
Q2 2014
Shares 29,779 Value ($000) $50 Avg Close — Range —
Q1 2014
Shares 30,007 Value ($000) $52 Avg Close — Range —
Q4 2013
Shares 30,227 Value ($000) $48 Avg Close — Range —
Q3 2013
Shares 30,427 Value ($000) $48 Avg Close — Range —
Q2 2013
Shares 36,733 Value ($000) $56 Avg Close — Range —