THORATEC CORP

CUSIP: 885175307 Class: COM NEW

COMMERCE BANK's Holding History (CIK: 0001009076)

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

Q2 2013
Shares 26,348 Value ($000) $825 Avg Close — Range —
Q1 2013
Shares 30,153 Value ($000) $1,131 Avg Close — Range —