ORBITAL ATK INC

CUSIP: 68557N103 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2018
Shares 93,472 Value ($000) $12,395 Avg Close — Range —
Q4 2017
Shares 96,500 Value ($000) $12,690 Avg Close — Range —
Q3 2017
Shares 95,951 Value ($000) $12,777 Avg Close — Range —
Q2 2017
Shares 105,728 Value ($000) $10,399 Avg Close — Range —
Q1 2017
Shares 119,498 Value ($000) $11,711 Avg Close — Range —
Q4 2016
Shares 124,898 Value ($000) $10,957 Avg Close — Range —
Q3 2016
Shares 127,998 Value ($000) $9,757 Avg Close — Range —
Q2 2016
Shares 126,998 Value ($000) $10,813 Avg Close — Range —
Q1 2016
Shares 132,286 Value ($000) $11,501 Avg Close — Range —
Q4 2015
Shares 115,690 Value ($000) $10,336 Avg Close — Range —
Q3 2015
Shares 113,952 Value ($000) $8,190 Avg Close — Range —
Q2 2015
Shares 110,525 Value ($000) $8,108 Avg Close — Range —
Q1 2015
Shares 111,618 Value ($000) $8,553 Avg Close — Range —