ARROWHEAD RESH CORP

CUSIP: 042797209 Class: COM

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q1 2016
Shares 10,157 Value ($000) $49 Avg Close — Range —
Q4 2015
Shares 10,157 Value ($000) $62 Avg Close — Range —
Q3 2015
Shares 10,157 Value ($000) $59 Avg Close — Range —
Q2 2014
Shares 10,782 Value ($000) $154 Avg Close — Range —