KERYX BIOPHARMACEUTICALS INC

CUSIP: 492515101 Class: COMMON STOCK

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

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

Q4 2017
Shares 83,386 Value ($000) $388 Avg Close — Range —
Q3 2017
Shares 83,386 Value ($000) $592 Avg Close — Range —
Q2 2015
Shares 34,380 Value ($000) $343 Avg Close — Range —
Q1 2015
Shares 84,380 Value ($000) $1,074 Avg Close — Range —
Q1 2014
Shares 275,000 Value ($000) $4,686 Avg Close — Range —
Q3 2013
Shares 200,000 Value ($000) $2,018 Avg Close — Range —
Q2 2013
Shares 50,000 Value ($000) $374 Avg Close — Range —