THORATEC CORP

CUSIP: 885175307 Class: COM NEW

D.A. DAVIDSON & CO.'s Holding History (CIK: 0001080107)

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

Q3 2015
Shares 139 Value ($000) $8 Avg Close — Range —
Q2 2015
Shares 78 Value ($000) $3 Avg Close — Range —