NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2018
Shares 9,982 Value ($000) $286 Avg Close — Range —
Q3 2018
Shares 9,565 Value ($000) $267 Avg Close — Range —
Q2 2018
Shares 7,455 Value ($000) $208 Avg Close — Range —
Q3 2017
Shares 37,171 Value ($000) $1,026 Avg Close — Range —
Q2 2017
Shares 38,510 Value ($000) $965 Avg Close — Range —
Q1 2017
Shares 28,191 Value ($000) $757 Avg Close — Range —
Q4 2016
Shares 27,888 Value ($000) $731 Avg Close — Range —
Q3 2016
Shares 14,037 Value ($000) $351 Avg Close — Range —
Q2 2016
Shares 13,881 Value ($000) $301 Avg Close — Range —
Q2 2015
Shares 10,902 Value ($000) $156 Avg Close — Range —
Q1 2015
Shares 11,128 Value ($000) $193 Avg Close — Range —
Q4 2014
Shares 11,266 Value ($000) $202 Avg Close — Range —
Q3 2014
Shares 12,765 Value ($000) $168 Avg Close — Range —
Q2 2014
Shares 12,765 Value ($000) $183 Avg Close — Range —
Q1 2014
Shares 16,420 Value ($000) $209 Avg Close — Range —
Q4 2013
Shares 29,591 Value ($000) $296 Avg Close — Range —
Q3 2013
Shares 19,044 Value ($000) $251 Avg Close — Range —
Q2 2013
Shares 18,132 Value ($000) $259 Avg Close — Range —