NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q2 2017
Shares 71,100 Value ($000) $1,782 Avg Close — Range —
Q1 2017
Shares 74,998 Value ($000) $2,012 Avg Close — Range —
Q4 2016
Shares 55,440 Value ($000) $1,453 Avg Close — Range —
Q3 2016
Shares 71,475 Value ($000) $1,786 Avg Close — Range —
Q2 2016
Shares 54,300 Value ($000) $1,177 Avg Close — Range —
Q1 2016
Shares 63,100 Value ($000) $946 Avg Close — Range —
Q4 2015
Shares 33,809 Value ($000) $741 Avg Close — Range —
Q2 2015
Shares 56,900 Value ($000) $813 Avg Close — Range —
Q1 2015
Shares 52,740 Value ($000) $912 Avg Close — Range —
Q4 2014
Shares 37,254 Value ($000) $668 Avg Close — Range —
Q3 2014
Shares 39,700 Value ($000) $521 Avg Close — Range —
Q2 2014
Shares 13,200 Value ($000) $190 Avg Close — Range —
Q1 2014
Shares 18,400 Value ($000) $234 Avg Close — Range —
Q4 2013
Shares 56,600 Value ($000) $566 Avg Close — Range —
Q3 2013
Shares 18,500 Value ($000) $243 Avg Close — Range —