ARROWHEAD RESH CORP

CUSIP: 042797209 Class: COM

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

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

Q4 2013
Shares 20,100 Value ($000) $217 Avg Close — Range —
Q3 2013
Shares 53,500 Value ($000) $303 Avg Close — Range —