ARATANA THERAPEUTICS INC

CUSIP: 03874P101 Class: COM

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q3 2015
Shares 3,422 Value ($000) $29 Avg Close — Range —
Q2 2015
Shares 1,053 Value ($000) $16 Avg Close — Range —
Q1 2015
Shares 841 Value ($000) $13 Avg Close — Range —
Q4 2014
Shares 788 Value ($000) $14 Avg Close — Range —
Q3 2014
Shares 719 Value ($000) $7 Avg Close — Range —
Q2 2014
Shares 719 Value ($000) $11 Avg Close — Range —
Q1 2014
Shares 719 Value ($000) $13 Avg Close — Range —
Q4 2013
Shares 206 Value ($000) $4 Avg Close — Range —