SIRONA DENTAL SYSTEMS INC

CUSIP: 82966C103 Class: COM

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q3 2013
Shares 26,400 Value ($000) $1,767 Avg Close — Range —
Q2 2013
Shares 31,924 Value ($000) $2,103 Avg Close — Range —