SIRONA DENTAL SYSTEMS INC

CUSIP: 82966C103 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q4 2015
Shares 1,005 Value ($000) $110 Avg Close — Range —
Q1 2015
Shares 90 Value ($000) $8 Avg Close — Range —
Q4 2014
Shares 508 Value ($000) $44 Avg Close — Range —
Q2 2013
Shares 253 Value ($000) $17 Avg Close — Range —