GT ADVANCED TECHNOLOGIES INC

CUSIP: 36191U106 Class: COM

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q3 2014
Shares 135,239 Value ($000) $1,465 Avg Close — Range —
Q2 2014
Shares 133,459 Value ($000) $2,482 Avg Close — Range —
Q1 2014
Shares 135,398 Value ($000) $2,309 Avg Close — Range —
Q4 2013
Shares 137,780 Value ($000) $1,201 Avg Close — Range —
Q3 2013
Shares 138,149 Value ($000) $1,176 Avg Close — Range —
Q2 2013
Shares 130,066 Value ($000) $540 Avg Close — Range —