ARROWHEAD RESH CORP

CUSIP: 042797209 Class: COM

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

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

Q3 2014
Shares 115,000 Value ($000) $1,699 Avg Close — Range —
Q2 2014
Shares 115,000 Value ($000) $1,646 Avg Close — Range —
Q1 2014
Shares 75,000 Value ($000) $1,232 Avg Close — Range —