AK STL HLDG CORP

CUSIP: 001547108 Class: COM

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

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

Q2 2018
Shares 9,231 Value ($000) $40 Avg Close — Range —
Q4 2017
Shares 682,925 Value ($000) $3,865 Avg Close — Range —
Q4 2016
Shares 69,842 Value ($000) $713 Avg Close — Range —
Q2 2013
Shares 40,521 Value ($000) $123 Avg Close — Range —