ORBITAL ATK INC

CUSIP: 68557N103 Class: COM

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q1 2018
Shares 2,648 Value ($000) $351 Avg Close — Range —
Q4 2017
Shares 1,441 Value ($000) $189 Avg Close — Range —
Q2 2017
Shares 847 Value ($000) $83 Avg Close — Range —
Q4 2016
Shares 1,057 Value ($000) $93 Avg Close — Range —
Q3 2016
Shares 2,688 Value ($000) $205 Avg Close — Range —
Q2 2016
Shares 2,273 Value ($000) $194 Avg Close — Range —
Q4 2015
Shares 24 Value ($000) $2 Avg Close — Range —
Q3 2015
Shares 141 Value ($000) $10 Avg Close — Range —
Q1 2015
Shares 641 Value ($000) $49 Avg Close — Range —