GSE SYS INC

CUSIP: 36227K106 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q2 2017
Shares 10,197 Value ($000) $32 Avg Close — Range —
Q1 2017
Shares 10,197 Value ($000) $35 Avg Close — Range —
Q4 2016
Shares 10,197 Value ($000) $36 Avg Close — Range —
Q3 2016
Shares 10,197 Value ($000) $29 Avg Close — Range —
Q2 2016
Shares 10,621 Value ($000) $24 Avg Close — Range —
Q1 2016
Shares 11,470 Value ($000) $31 Avg Close — Range —
Q4 2015
Shares 12,106 Value ($000) $29 Avg Close — Range —
Q3 2015
Shares 14,389 Value ($000) $21 Avg Close — Range —
Q2 2015
Shares 14,955 Value ($000) $23 Avg Close — Range —
Q1 2015
Shares 15,803 Value ($000) $24 Avg Close — Range —
Q4 2014
Shares 16,338 Value ($000) $26 Avg Close — Range —
Q3 2014
Shares 16,904 Value ($000) $26 Avg Close — Range —
Q2 2014
Shares 17,046 Value ($000) $28 Avg Close — Range —
Q1 2014
Shares 19,046 Value ($000) $33 Avg Close — Range —
Q4 2013
Shares 20,177 Value ($000) $32 Avg Close — Range —
Q3 2013
Shares 20,743 Value ($000) $33 Avg Close — Range —
Q2 2013
Shares 20,856 Value ($000) $31 Avg Close — Range —