GT ADVANCED TECHNOLOGIES INC

CUSIP: 36191U106 Class: COM

PIPER SANDLER & CO.'s Holding History (CIK: 0000724683)

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

Q2 2014
Shares 1,000 Value ($000) $19 Avg Close — Range —
Q4 2013
Shares 29,750 Value ($000) $259 Avg Close — Range —