NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2018
Shares 842,282 Value ($000) $24,106 Avg Close — Range —
Q3 2018
Shares 845,475 Value ($000) $23,581 Avg Close — Range —
Q2 2018
Shares 885,227 Value ($000) $24,697 Avg Close — Range —
Q1 2018
Shares 859,594 Value ($000) $21,370 Avg Close — Range —
Q4 2017
Shares 859,769 Value ($000) $20,831 Avg Close — Range —
Q3 2017
Shares 875,735 Value ($000) $24,171 Avg Close — Range —
Q2 2017
Shares 879,745 Value ($000) $22,055 Avg Close — Range —
Q1 2017
Shares 839,034 Value ($000) $22,511 Avg Close — Range —
Q4 2016
Shares 831,312 Value ($000) $21,789 Avg Close — Range —
Q3 2016
Shares 823,968 Value ($000) $20,591 Avg Close — Range —
Q2 2016
Shares 825,463 Value ($000) $17,895 Avg Close — Range —
Q1 2016
Shares 823,509 Value ($000) $12,369 Avg Close — Range —
Q4 2015
Shares 810,559 Value ($000) $17,760 Avg Close — Range —
Q3 2015
Shares 782,590 Value ($000) $12,341 Avg Close — Range —
Q2 2015
Shares 725,383 Value ($000) $10,362 Avg Close — Range —
Q1 2015
Shares 717,078 Value ($000) $12,406 Avg Close — Range —
Q4 2014
Shares 708,720 Value ($000) $12,708 Avg Close — Range —
Q3 2014
Shares 740,459 Value ($000) $9,722 Avg Close — Range —
Q2 2014
Shares 733,541 Value ($000) $10,541 Avg Close — Range —
Q1 2014
Shares 819,746 Value ($000) $10,444 Avg Close — Range —
Q4 2013
Shares 864,036 Value ($000) $8,641 Avg Close — Range —
Q3 2013
Shares 849,270 Value ($000) $11,177 Avg Close — Range —
Q2 2013
Shares 798,580 Value ($000) $11,403 Avg Close — Range —