NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q4 2018
Shares 8,635 Value ($000) $247 Avg Close — Range —
Q3 2018
Shares 8,635 Value ($000) $241 Avg Close — Range —
Q2 2018
Shares 5,273 Value ($000) $147 Avg Close — Range —
Q1 2018
Shares 5,273 Value ($000) $131 Avg Close — Range —
Q4 2017
Shares 5,273 Value ($000) $128 Avg Close — Range —