NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

ONTARIO TEACHERS PENSION PLAN BOARD's Holding History (CIK: 0000937567)

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

Q4 2018
Shares 60,000 Value ($000) $1,717 Avg Close — Range —
Q3 2018
Shares 60,000 Value ($000) $1,673 Avg Close — Range —
Q2 2018
Shares 60,000 Value ($000) $1,674 Avg Close — Range —