ARROWHEAD RESH CORP

CUSIP: 42797209 Class: COM NEW

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2015
Shares 10,877 Value ($000) $67 Avg Close — Range —
Q3 2015
Shares 174,582 Value ($000) $1,006 Avg Close — Range —
Q2 2015
Shares 23,208 Value ($000) $166 Avg Close — Range —
Q4 2014
Shares 507 Value ($000) $4 Avg Close — Range —
Q3 2014
Shares 8,974 Value ($000) $133 Avg Close — Range —
Q2 2014
Shares 58,040 Value ($000) $831 Avg Close — Range —
Q1 2014
Shares 73,060 Value ($000) $1,200 Avg Close — Range —
Q4 2013
Shares 7,573 Value ($000) $82 Avg Close — Range —
Q3 2013
Shares 2,768 Value ($000) $16 Avg Close — Range —