GSI GROUP INC CDA NEW

CUSIP: 36191C205 Class: CMN

ACK Asset Management LLC's Holding History (CIK: 0001510940)

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

Q4 2014
Shares 544,599 Value ($000) $8,016 Avg Close — Range —
Q3 2014
Shares 715,000 Value ($000) $8,215 Avg Close — Range —
Q2 2014
Shares 599,000 Value ($000) $7,625 Avg Close — Range —
Q1 2014
Shares 294,210 Value ($000) $3,842 Avg Close — Range —