ARATANA THERAPEUTICS INC

CUSIP: 03874P101 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q2 2019
Shares 62,700 Value ($000) $324 Avg Close — Range —
Q1 2019
Shares 61,300 Value ($000) $221 Avg Close — Range —
Q4 2018
Shares 47,200 Value ($000) $289 Avg Close — Range —
Q3 2018
Shares 29,000 Value ($000) $169 Avg Close — Range —
Q2 2018
Shares 29,000 Value ($000) $123 Avg Close — Range —
Q1 2018
Shares 29,000 Value ($000) $128 Avg Close — Range —
Q4 2017
Shares 29,000 Value ($000) $153 Avg Close — Range —
Q3 2017
Shares 29,000 Value ($000) $178 Avg Close — Range —
Q2 2017
Shares 29,000 Value ($000) $210 Avg Close — Range —
Q3 2015
Shares 30,300 Value ($000) $256 Avg Close — Range —