NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

Redmile Group, LLC's Holding History (CIK: 0001425738)

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

Q2 2017
Shares 657,356 Value ($000) $16,480 Avg Close — Range —
Q3 2015
Shares 11,800 Value ($000) $186 Avg Close — Range —
Q1 2014
Shares 1,090,428 Value ($000) $13,892 Avg Close — Range —
Q4 2013
Shares 690,770 Value ($000) $6,908 Avg Close — Range —