DOT HILL SYS CORP

CUSIP: 25848T109 Class: CMN

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

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

Q2 2015
Shares 45,400 Value ($000) $277 Avg Close — Range —
Q1 2014
Shares 75,100 Value ($000) $290 Avg Close — Range —
Q4 2013
Shares 25,600 Value ($000) $86 Avg Close — Range —
Q3 2013
Shares 13,600 Value ($000) $28 Avg Close — Range —
Q2 2013
Shares 14,800 Value ($000) $31 Avg Close — Range —