ARATANA THERAPEUTICS INC

CUSIP: 03874P101 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2017
Shares 1,365,570 Value ($000) $7,183 Avg Close — Range —
Q3 2017
Shares 1,365,570 Value ($000) $8,371 Avg Close — Range —
Q2 2017
Shares 1,313,096 Value ($000) $9,494 Avg Close — Range —
Q1 2017
Shares 1,262,403 Value ($000) $6,691 Avg Close — Range —
Q4 2016
Shares 1,279,309 Value ($000) $9,185 Avg Close — Range —
Q3 2016
Shares 1,167,823 Value ($000) $10,931 Avg Close — Range —
Q2 2016
Shares 1,150,499 Value ($000) $7,271 Avg Close — Range —
Q1 2016
Shares 1,097,302 Value ($000) $6,057 Avg Close — Range —
Q4 2015
Shares 2,463,097 Value ($000) $13,744 Avg Close — Range —
Q3 2015
Shares 4,351,593 Value ($000) $36,814 Avg Close — Range —
Q2 2015
Shares 2,520,949 Value ($000) $38,117 Avg Close — Range —
Q1 2015
Shares 3,403,414 Value ($000) $54,489 Avg Close — Range —
Q4 2014
Shares 3,669,288 Value ($000) $65,386 Avg Close — Range —
Q3 2014
Shares 3,750,435 Value ($000) $37,654 Avg Close — Range —
Q2 2014
Shares 2,138,735 Value ($000) $33,386 Avg Close — Range —
Q1 2014
Shares 1,281,335 Value ($000) $23,782 Avg Close — Range —
Q4 2013
Shares 454,785 Value ($000) $8,687 Avg Close — Range —
Q3 2013
Shares 451,785 Value ($000) $7,382 Avg Close — Range —
Q2 2013
Shares 1,049,390 Value ($000) $7,933 Avg Close — Range —