HORIZON PHARMA PLC

CUSIP: G4617B105 Class: SHS

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2019
Shares 31,132 Value ($000) $823 Avg Close — Range —
Q2 2018
Shares 90,566 Value ($000) $1,500 Avg Close — Range —
Q1 2018
Shares 91,869 Value ($000) $1,305 Avg Close — Range —
Q4 2017
Shares 68,340 Value ($000) $998 Avg Close — Range —
Q3 2017
Shares 25,901 Value ($000) $328 Avg Close — Range —
Q2 2017
Shares 44,867 Value ($000) $533 Avg Close — Range —
Q1 2017
Shares 67,263 Value ($000) $994 Avg Close — Range —
Q4 2016
Shares 229,284 Value ($000) $3,710 Avg Close — Range —
Q3 2016
Shares 277,530 Value ($000) $5,032 Avg Close — Range —
Q2 2016
Shares 162,856 Value ($000) $2,682 Avg Close — Range —
Q1 2016
Shares 125,929 Value ($000) $2,087 Avg Close — Range —
Q4 2015
Shares 92,351 Value ($000) $2,001 Avg Close — Range —
Q3 2015
Shares 89,289 Value ($000) $1,770 Avg Close — Range —
Q2 2015
Shares 119,306 Value ($000) $4,145 Avg Close — Range —
Q1 2015
Shares 65,570 Value ($000) $1,703 Avg Close — Range —
Q3 2014
Shares 31,469 Value ($000) $386 Avg Close — Range —