HYPERION THERAPEUTICS INC

CUSIP: 44915N101 Class: COM

Palo Alto Investors LP's Holding History (CIK: 0001306923)

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

Q4 2014
Shares 62,700 Value ($000) $1,505 Avg Close — Range —
Q3 2014
Shares 62,700 Value ($000) $1,581 Avg Close — Range —
Q2 2014
Shares 62,700 Value ($000) $1,636 Avg Close — Range —
Q1 2014
Shares 62,700 Value ($000) $1,618 Avg Close — Range —
Q4 2013
Shares 62,700 Value ($000) $1,268 Avg Close — Range —
Q3 2013
Shares 62,700 Value ($000) $1,638 Avg Close — Range —
Q2 2013
Shares 83,600 Value ($000) $1,839 Avg Close — Range —