ARATANA THERAPEUTICS INC

CUSIP: 03874P101 Class: COM

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

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

Q2 2016
Shares 256,500 Value ($000) $1,621 Avg Close — Range —
Q1 2016
Shares 291,800 Value ($000) $1,611 Avg Close — Range —