CARBO CERAMICS INC

CUSIP: 140781105 Class: COMMON STOCK

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q3 2019
Shares 1,704 Value ($000) $4 Avg Close — Range —
Q2 2019
Shares 774 Value ($000) $1 Avg Close — Range —
Q1 2019
Shares 6,451 Value ($000) $22 Avg Close — Range —
Q4 2018
Shares 3,096 Value ($000) $10 Avg Close — Range —
Q3 2018
Shares 18,204 Value ($000) $131 Avg Close — Range —
Q1 2018
Shares 5,046 Value ($000) $36 Avg Close — Range —
Q2 2017
Shares 2,103 Value ($000) $14 Avg Close — Range —
Q3 2016
Shares 5,451 Value ($000) $59 Avg Close — Range —
Q2 2016
Shares 15,145 Value ($000) $198 Avg Close — Range —
Q1 2016
Shares 38,186 Value ($000) $542 Avg Close — Range —
Q4 2015
Shares 10,047 Value ($000) $172 Avg Close — Range —
Q3 2015
Shares 3,659 Value ($000) $69 Avg Close — Range —
Q2 2015
Shares 3,933 Value ($000) $163 Avg Close — Range —
Q1 2015
Shares 1,697 Value ($000) $51 Avg Close — Range —
Q4 2014
Shares 6,858 Value ($000) $275 Avg Close — Range —