NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

CLOUGH CAPITAL PARTNERS L P's Holding History (CIK: 0001276144)

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

Q2 2018
Shares 136,900 Value ($000) $3,820 Avg Close — Range —
Q1 2018
Shares 201,600 Value ($000) $5,012 Avg Close — Range —
Q4 2017
Shares 205,900 Value ($000) $4,989 Avg Close — Range —
Q2 2017
Shares 271,500 Value ($000) $6,807 Avg Close — Range —
Q1 2017
Shares 212,300 Value ($000) $5,696 Avg Close — Range —
Q4 2016
Shares 20,300 Value ($000) $532 Avg Close — Range —
Q2 2015
Shares 186,300 Value ($000) $2,661 Avg Close — Range —
Q3 2014
Shares 197,416 Value ($000) $2,592 Avg Close — Range —
Q2 2014
Shares 205,716 Value ($000) $2,956 Avg Close — Range —
Q1 2014
Shares 192,313 Value ($000) $2,450 Avg Close — Range —
Q4 2013
Shares 659,013 Value ($000) $6,590 Avg Close — Range —
Q3 2013
Shares 751,400 Value ($000) $9,888 Avg Close — Range —
Q2 2013
Shares 571,200 Value ($000) $8,157 Avg Close — Range —