NXSTAGE MEDICAL INC

CUSIP: 67072V103 Class: COMMON STOCK

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q4 2018
Shares 380 Value ($000) $11 Avg Close — Range —
Q3 2018
Shares 380 Value ($000) $11 Avg Close — Range —
Q2 2018
Shares 380 Value ($000) $11 Avg Close — Range —
Q1 2018
Shares 380 Value ($000) $9 Avg Close — Range —
Q4 2017
Shares 580 Value ($000) $14 Avg Close — Range —
Q3 2017
Shares 580 Value ($000) $16 Avg Close — Range —
Q2 2017
Shares 16,180 Value ($000) $352 Avg Close — Range —
Q1 2017
Shares 16,180 Value ($000) $434 Avg Close — Range —
Q4 2016
Shares 16,700 Value ($000) $438 Avg Close — Range —
Q3 2016
Shares 16,700 Value ($000) $417 Avg Close — Range —
Q2 2016
Shares 16,700 Value ($000) $362 Avg Close — Range —
Q1 2016
Shares 1,100 Value ($000) $16 Avg Close — Range —