KARYOPHARM THERAPEUTICS INC

CUSIP: 48576U106 Class: Common Stock

Cormorant Asset Management, LP's Holding History (CIK: 0001583977)

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

Q3 2015
Shares 300,987 Value ($000) $3,169 Avg Close — Range —
Q2 2015
Shares 300,987 Value ($000) $8,190 Avg Close — Range —
Q1 2015
Shares 300,987 Value ($000) $9,213 Avg Close — Range —
Q4 2014
Shares 385,000 Value ($000) $14,411 Avg Close — Range —
Q3 2014
Shares 385,000 Value ($000) $13,452 Avg Close — Range —
Q2 2014
Shares 385,000 Value ($000) $17,922 Avg Close — Range —
Q1 2014
Shares 280,000 Value ($000) $8,649 Avg Close — Range —
Q4 2013
Shares 100,000 Value ($000) $2,292 Avg Close — Range —