CHAMBERS STR PPTYS

CUSIP: 157842105 Class: COM

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

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

Q2 2015
Shares 4,081 Value ($000) $32 Avg Close — Range —
Q1 2015
Shares 4,281 Value ($000) $34 Avg Close — Range —
Q4 2014
Shares 24,281 Value ($000) $196 Avg Close — Range —
Q3 2014
Shares 27,028 Value ($000) $204 Avg Close — Range —
Q2 2014
Shares 12,722 Value ($000) $102 Avg Close — Range —
Q1 2014
Shares 20,028 Value ($000) $156 Avg Close — Range —
Q4 2013
Shares 10,316 Value ($000) $79 Avg Close — Range —
Q3 2013
Shares 3,185 Value ($000) $28 Avg Close — Range —