HORIZON PHARMA INC

CUSIP: 44047T109 Class: COM

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q1 2014
Shares 126,600 Value ($000) $1,912 Avg Close — Range —
Q4 2013
Shares 179,200 Value ($000) $1,365 Avg Close — Range —