THORATEC CORP

CUSIP: 885175307 Class: COM NEW

CHATHAM CAPITAL GROUP, INC.'s Holding History (CIK: 0001108969)

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

Q1 2015
Shares 17,315 Value ($000) $725 Avg Close — Range —
Q4 2014
Shares 16,865 Value ($000) $547 Avg Close — Range —
Q3 2014
Shares 16,865 Value ($000) $451 Avg Close — Range —
Q2 2014
Shares 16,565 Value ($000) $577 Avg Close — Range —
Q1 2014
Shares 16,565 Value ($000) $593 Avg Close — Range —
Q4 2013
Shares 16,565 Value ($000) $606 Avg Close — Range —
Q3 2013
Shares 16,565 Value ($000) $618 Avg Close — Range —
Q2 2013
Shares 17,365 Value ($000) $544 Avg Close — Range —