RECEPTOS INC

CUSIP: 756207106 Class: COMMON STOCK

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

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

Q2 2015
Shares 68,250 Value ($000) $12,971 Avg Close — Range —
Q1 2015
Shares 65,000 Value ($000) $10,718 Avg Close — Range —
Q4 2014
Shares 65,000 Value ($000) $7,963 Avg Close — Range —
Q3 2014
Shares 22,500 Value ($000) $1,397 Avg Close — Range —
Q1 2014
Shares 50,000 Value ($000) $2,097 Avg Close — Range —