NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q4 2016
Shares 30,173 Value ($000) $791 Avg Close — Range —
Q3 2016
Shares 64,927 Value ($000) $1,623 Avg Close — Range —
Q2 2016
Shares 61,284 Value ($000) $1,329 Avg Close — Range —
Q3 2013
Shares 58,553 Value ($000) $771 Avg Close — Range —
Q2 2013
Shares 54,743 Value ($000) $782 Avg Close — Range —