NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2018
Shares 204,538 Value ($000) $5,854 Avg Close — Range —
Q3 2018
Shares 207,267 Value ($000) $5,781 Avg Close — Range —
Q2 2018
Shares 124,342 Value ($000) $3,469 Avg Close — Range —
Q1 2018
Shares 100,052 Value ($000) $2,487 Avg Close — Range —
Q4 2017
Shares 272,156 Value ($000) $6,594 Avg Close — Range —
Q3 2017
Shares 204,285 Value ($000) $5,639 Avg Close — Range —
Q3 2016
Shares 13,547 Value ($000) $339 Avg Close — Range —