NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

HighVista Strategies LLC's Holding History (CIK: 0001335325)

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

Q4 2018
Shares 146,903 Value ($000) $4,204 Avg Close — Range —
Q3 2018
Shares 168,403 Value ($000) $4,697 Avg Close — Range —
Q2 2018
Shares 168,403 Value ($000) $4,698 Avg Close — Range —
Q1 2018
Shares 168,403 Value ($000) $4,186 Avg Close — Range —
Q4 2017
Shares 405,466 Value ($000) $9,824 Avg Close — Range —