NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

ALGERT GLOBAL LLC's Holding History (CIK: 0001275218)

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

Q3 2016
Shares 25,514 Value ($000) $638 Avg Close — Range —
Q1 2016
Shares 33,346 Value ($000) $500 Avg Close — Range —
Q4 2015
Shares 18,314 Value ($000) $401 Avg Close — Range —