RECEPTOS INC

CUSIP: 756207106 Class: COMMON STOCK

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

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

Q2 2015
Shares 220,000 Value ($000) $41,811 Avg Close — Range —
Q1 2015
Shares 390,312 Value ($000) $64,359 Avg Close — Range —
Q4 2014
Shares 641,800 Value ($000) $78,627 Avg Close — Range —
Q3 2014
Shares 748,700 Value ($000) $46,502 Avg Close — Range —
Q2 2014
Shares 478,800 Value ($000) $20,397 Avg Close — Range —
Q1 2014
Shares 450,000 Value ($000) $18,873 Avg Close — Range —
Q4 2013
Shares 350,000 Value ($000) $10,147 Avg Close — Range —