CARBO CERAMICS INC

CUSIP: 140781105 Class: COMMON STOCK

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q1 2019
Shares 34,200 Value ($000) $120 Avg Close — Range —
Q4 2018
Shares 47,100 Value ($000) $164 Avg Close — Range —
Q1 2017
Shares 94,800 Value ($000) $1,236 Avg Close — Range —
Q4 2016
Shares 95,627 Value ($000) $1,000 Avg Close — Range —
Q3 2016
Shares 95,700 Value ($000) $1,047 Avg Close — Range —
Q2 2016
Shares 93,500 Value ($000) $1,225 Avg Close — Range —
Q3 2015
Shares 15,044 Value ($000) $286 Avg Close — Range —
Q2 2015
Shares 19,405 Value ($000) $808 Avg Close — Range —
Q1 2015
Shares 46,839 Value ($000) $1,429 Avg Close — Range —
Q3 2014
Shares 86,791 Value ($000) $5,141 Avg Close — Range —
Q2 2014
Shares 3,900 Value ($000) $601 Avg Close — Range —
Q1 2014
Shares 12,439 Value ($000) $1,716 Avg Close — Range —
Q4 2013
Shares 3,900 Value ($000) $454 Avg Close — Range —
Q3 2013
Shares 13,153 Value ($000) $1,304 Avg Close — Range —