AK STL HLDG CORP

CUSIP: 1547108 Class: COM

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

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

Q2 2016
Shares 494,863 Value ($000) $2,306 Avg Close — Range —
Q4 2015
Shares 376,296 Value ($000) $843 Avg Close — Range —
Q3 2015
Shares 168,592 Value ($000) $406 Avg Close — Range —
Q2 2015
Shares 141,603 Value ($000) $548 Avg Close — Range —
Q1 2015
Shares 112,600 Value ($000) $503 Avg Close — Range —
Q4 2014
Shares 35,952 Value ($000) $214 Avg Close — Range —
Q3 2014
Shares 102,494 Value ($000) $821 Avg Close — Range —
Q2 2014
Shares 105,060 Value ($000) $836 Avg Close — Range —
Q1 2014
Shares 103,426 Value ($000) $747 Avg Close — Range —
Q3 2013
Shares 142,053 Value ($000) $533 Avg Close — Range —