GT Advanced Technologies Inc

CUSIP: 36191u106 Class: COM

Clean Yield Group's Holding History (CIK: 0001525865)

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

Q3 2014
Shares 20,940 Value ($000) $227 Avg Close — Range —
Q2 2014
Shares 29,090 Value ($000) $541 Avg Close — Range —
Q1 2014
Shares 32,590 Value ($000) $556 Avg Close — Range —
Q4 2013
Shares 59,140 Value ($000) $515 Avg Close — Range —
Q3 2013
Shares 212,151 Value ($000) $1,805 Avg Close — Range —
Q2 2013
Shares 217,035 Value ($000) $901 Avg Close — Range —