CASTLIGHT HEALTH INC

CUSIP: 14862Q100 Class: COMMON STOCK

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

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

Q3 2015
Shares 1,000,000 Value ($000) $4,200 Avg Close — Range —
Q2 2015
Shares 800,000 Value ($000) $6,512 Avg Close — Range —
Q1 2015
Shares 525,000 Value ($000) $4,074 Avg Close — Range —
Q4 2014
Shares 260,200 Value ($000) $3,044 Avg Close — Range —
Q1 2014
Shares 100,000 Value ($000) $2,122 Avg Close — Range —