CUSIP: 637071101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 7,780 | $375,618 | — | — |
| Q1 2015 | 9,240 | $461,908 | — | — |
| Q4 2014 | 33,305 | $2,182,477 | — | — |
| Q3 2014 | 33,225 | $2,528,423 | — | — |
| Q2 2014 | 32,165 | $2,648,788 | — | — |
| Q1 2014 | 31,265 | $2,434,606 | — | — |
| Q4 2013 | 39,290 | $3,124,734 | — | — |
| Q3 2013 | 40,340 | $3,150,957 | — | — |
| Q2 2013 | 32,390 | $2,231,671 | — | — |