THORATEC CORP

CUSIP: 885175307 Class: COM NEW

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q3 2015
Shares 1,594 Value ($000) $101 Avg Close — Range —
Q2 2015
Shares 427 Value ($000) $19 Avg Close — Range —
Q4 2014
Shares 887 Value ($000) $29 Avg Close — Range —
Q3 2014
Shares 412 Value ($000) $11 Avg Close — Range —
Q2 2014
Shares 90 Value ($000) $3 Avg Close — Range —
Q1 2014
Shares 474 Value ($000) $17 Avg Close — Range —
Q3 2013
Shares 2,403 Value ($000) $90 Avg Close — Range —
Q2 2013
Shares 5,462 Value ($000) $171 Avg Close — Range —