HORIZON PHARMA INC

CUSIP: 44047T109 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q1 2014
Shares 74,632 Value ($000) $1,128 Avg Close — Range —
Q4 2013
Shares 94,161 Value ($000) $718 Avg Close — Range —
Q3 2013
Shares 69,641 Value ($000) $236 Avg Close — Range —
Q2 2013
Shares 58,772 Value ($000) $145 Avg Close — Range —