NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

SENTRY INVESTMENT MANAGEMENT LLC's Holding History (CIK: 0000089014)

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

Q3 2015
Shares 144,030 Value ($000) $2,271 Avg Close — Range —
Q2 2015
Shares 111,542 Value ($000) $1,593 Avg Close — Range —