NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

EAM Investors, LLC's Holding History (CIK: 0001510989)

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

Q4 2015
Shares 190,285 Value ($000) $4,169 Avg Close — Range —
Q3 2015
Shares 149,065 Value ($000) $2,351 Avg Close — Range —