KARYOPHARM THERAPEUTICS INC

CUSIP: 48576U106 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2014
Shares 81,047 Value ($000) $3,034 Avg Close — Range —
Q3 2014
Shares 78,851 Value ($000) $2,755 Avg Close — Range —
Q2 2014
Shares 76,820 Value ($000) $3,576 Avg Close — Range —
Q1 2014
Shares 68,427 Value ($000) $2,114 Avg Close — Range —
Q4 2013
Shares 90,207 Value ($000) $2,068 Avg Close — Range —