THORATEC CORP

CUSIP: 885175307 Class: COM NEW

Riggs Asset Managment Co. Inc.'s Holding History (CIK: 0001601348)

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

Q1 2015
Shares 500 Value ($000) $21 Avg Close — Range —
Q4 2014
Shares 500 Value ($000) $16 Avg Close — Range —
Q3 2014
Shares 500 Value ($000) $13 Avg Close — Range —