CUSIP: 637071101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2015 | 1,646 | $61,971 | — | — |
| Q2 2015 | 1,596 | $77,054 | — | — |
| Q1 2015 | 1,396 | $69,786 | — | — |
| Q4 2014 | 1,196 | $78,376 | — | — |
| Q3 2014 | 4,193 | $319,089 | — | — |
| Q2 2014 | 3,905 | $321,579 | — | — |
| Q1 2014 | 3,574 | $278,307 | — | — |
| Q4 2013 | 3,574 | $284,240 | — | — |
| Q3 2013 | 3,599 | $281,117 | — | — |
| Q2 2013 | 5,879 | $405,063 | — | — |
| Q1 2013 | 5,002 | $353,891 | — | — |
| Q4 2012 | 3,837 | $262,258 | — | — |