CARBO CERAMICS INC

CUSIP: 140781105 Class: COMMON STOCK

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q4 2013
Shares 3,643 Value ($000) $425 Avg Close — Range —
Q2 2013
Shares 3,635 Value ($000) $245 Avg Close — Range —