ORBITAL ATK INC

CUSIP: 68557N103 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q1 2018
Shares 7,692 Value ($000) $1,020 Avg Close — Range —
Q4 2017
Shares 20,532 Value ($000) $2,699 Avg Close — Range —
Q3 2017
Shares 3,500 Value ($000) $466 Avg Close — Range —
Q3 2016
Shares 275 Value ($000) $20 Avg Close — Range —
Q3 2015
Shares 514 Value ($000) $36 Avg Close — Range —
Q2 2015
Shares 1,349 Value ($000) $98 Avg Close — Range —
Q1 2015
Shares 5,000 Value ($000) $383 Avg Close — Range —