RA MED SYS INC

CUSIP: 74933X104 Class: COMMON STOCK

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q4 2018
Shares 108,400 Value ($000) $862 Avg Close — Range —
Q3 2018
Shares 128,600 Value ($000) $2,341 Avg Close — Range —