KERYX BIOPHARMACEUTICALS INC

CUSIP: 492515101 Class: COMMON STOCK

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

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

Q2 2015
Shares 108,609 Value ($000) $1,084 Avg Close — Range —
Q1 2015
Shares 88,790 Value ($000) $1,130 Avg Close — Range —
Q4 2014
Shares 89,072 Value ($000) $1,260 Avg Close — Range —
Q3 2014
Shares 71,918 Value ($000) $989 Avg Close — Range —
Q2 2014
Shares 68,584 Value ($000) $1,055 Avg Close — Range —
Q1 2014
Shares 70,964 Value ($000) $1,209 Avg Close — Range —
Q4 2013
Shares 76,194 Value ($000) $987 Avg Close — Range —
Q3 2013
Shares 94,914 Value ($000) $959 Avg Close — Range —
Q2 2013
Shares 89,154 Value ($000) $666 Avg Close — Range —