NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2018
Shares 19,576 Value ($000) $560 Avg Close — Range —
Q3 2018
Shares 19,468 Value ($000) $543 Avg Close — Range —
Q2 2018
Shares 19,589 Value ($000) $547 Avg Close — Range —
Q1 2018
Shares 14,192 Value ($000) $353 Avg Close — Range —
Q4 2017
Shares 14,065 Value ($000) $341 Avg Close — Range —
Q3 2017
Shares 8,285 Value ($000) $229 Avg Close — Range —
Q2 2017
Shares 8,285 Value ($000) $208 Avg Close — Range —
Q1 2017
Shares 8,275 Value ($000) $222 Avg Close — Range —
Q4 2016
Shares 8,275 Value ($000) $217 Avg Close — Range —
Q3 2016
Shares 8,300 Value ($000) $207 Avg Close — Range —