NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

Paloma Partners Management Co's Holding History (CIK: 0001103882)

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

Q4 2018
Shares 7,007 Value ($000) $200 Avg Close — Range —
Q3 2018
Shares 38,602 Value ($000) $1,077 Avg Close — Range —
Q2 2018
Shares 13,017 Value ($000) $363 Avg Close — Range —
Q2 2017
Shares 17,603 Value ($000) $441 Avg Close — Range —
Q1 2017
Shares 57,571 Value ($000) $1,545 Avg Close — Range —
Q3 2016
Shares 34,877 Value ($000) $871 Avg Close — Range —
Q2 2016
Shares 40,315 Value ($000) $874 Avg Close — Range —
Q2 2015
Shares 10,400 Value ($000) $149 Avg Close — Range —
Q1 2015
Shares 13,925 Value ($000) $241 Avg Close — Range —
Q3 2014
Shares 367,400 Value ($000) $4,824 Avg Close — Range —
Q2 2014
Shares 367,400 Value ($000) $5,280 Avg Close — Range —
Q1 2014
Shares 545,355 Value ($000) $6,948 Avg Close — Range —
Q4 2013
Shares 700,000 Value ($000) $7,000 Avg Close — Range —
Q3 2013
Shares 350,000 Value ($000) $4,606 Avg Close — Range —
Q2 2013
Shares 350,000 Value ($000) $4,998 Avg Close — Range —