NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

Engineers Gate Manager LP's Holding History (CIK: 0001620220)

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

Q4 2018
Shares 21,402 Value ($000) $613 Avg Close — Range —
Q3 2018
Shares 48,814 Value ($000) $1,361 Avg Close — Range —
Q1 2018
Shares 17,305 Value ($000) $430 Avg Close — Range —
Q4 2015
Shares 32,479 Value ($000) $712 Avg Close — Range —
Q2 2015
Shares 26,388 Value ($000) $377 Avg Close — Range —