GSI GROUP INC CDA NEW

CUSIP: 36191C205 Class: CMN

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q1 2016
Shares 1,532,328 Value ($000) $21,697 Avg Close — Range —
Q4 2015
Shares 1,372,528 Value ($000) $18,695 Avg Close — Range —
Q3 2015
Shares 1,461,200 Value ($000) $18,601 Avg Close — Range —
Q2 2015
Shares 1,527,040 Value ($000) $22,951 Avg Close — Range —
Q1 2015
Shares 1,630,040 Value ($000) $21,713 Avg Close — Range —
Q4 2014
Shares 1,630,040 Value ($000) $23,994 Avg Close — Range —
Q3 2014
Shares 1,488,640 Value ($000) $17,104 Avg Close — Range —
Q2 2014
Shares 1,462,650 Value ($000) $18,620 Avg Close — Range —
Q1 2014
Shares 1,445,250 Value ($000) $18,875 Avg Close — Range —
Q4 2013
Shares 1,282,150 Value ($000) $14,412 Avg Close — Range —
Q3 2013
Shares 1,183,250 Value ($000) $11,288 Avg Close — Range —
Q2 2013
Shares 1,183,250 Value ($000) $9,514 Avg Close — Range —