NAVIGATORS GROUP INC

CUSIP: 638904102 Class: COM

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

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

Q1 2019
Shares 700 Value ($000) $49 Avg Close — Range —
Q4 2018
Shares 700 Value ($000) $49 Avg Close — Range —
Q3 2018
Shares 700 Value ($000) $48 Avg Close — Range —
Q2 2018
Shares 800 Value ($000) $46 Avg Close — Range —
Q1 2018
Shares 800 Value ($000) $43 Avg Close — Range —
Q4 2017
Shares 800 Value ($000) $39 Avg Close — Range —
Q3 2017
Shares 800 Value ($000) $47 Avg Close — Range —
Q2 2017
Shares 800 Value ($000) $44 Avg Close — Range —
Q1 2017
Shares 800 Value ($000) $43 Avg Close — Range —
Q4 2016
Shares 400 Value ($000) $47 Avg Close — Range —
Q3 2016
Shares 400 Value ($000) $39 Avg Close — Range —
Q2 2016
Shares 400 Value ($000) $37 Avg Close — Range —
Q1 2016
Shares 400 Value ($000) $34 Avg Close — Range —