NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

NICHOLAS COMPANY, INC.'s Holding History (CIK: 0000903949)

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

Q4 2013
Shares 1,000 Value ($000) $0 Avg Close — Range —
Q3 2013
Shares 171,810 Value ($000) $2,261 Avg Close — Range —
Q2 2013
Shares 130,760 Value ($000) $1,867 Avg Close — Range —