GSI GROUP INC CDA NEW

CUSIP: 36191C205 Class: CMN

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q1 2016
Shares 200 Value ($000) $3 Avg Close — Range —
Q4 2015
Shares 1,485 Value ($000) $20 Avg Close — Range —
Q3 2015
Shares 6,525 Value ($000) $83 Avg Close — Range —
Q2 2015
Shares 796 Value ($000) $12 Avg Close — Range —
Q1 2015
Shares 490 Value ($000) $7 Avg Close — Range —
Q3 2014
Shares 1,772 Value ($000) $20 Avg Close — Range —
Q2 2014
Shares 956 Value ($000) $12 Avg Close — Range —
Q1 2014
Shares 2,281 Value ($000) $30 Avg Close — Range —
Q3 2013
Shares 357 Value ($000) $3 Avg Close — Range —
Q2 2013
Shares 3,777 Value ($000) $30 Avg Close — Range —