NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

GLOBEFLEX CAPITAL L P's Holding History (CIK: 0000921531)

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

Q4 2016
Shares 52,200 Value ($000) $1,368 Avg Close — Range —
Q3 2016
Shares 53,000 Value ($000) $1,324 Avg Close — Range —
Q2 2016
Shares 53,000 Value ($000) $1,149 Avg Close — Range —
Q1 2016
Shares 53,000 Value ($000) $794 Avg Close — Range —
Q4 2015
Shares 56,700 Value ($000) $1,242 Avg Close — Range —
Q3 2015
Shares 56,900 Value ($000) $897 Avg Close — Range —