CUSIP: 637071101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2015 | 2,080,231 | $78,321 | — | — |
| Q2 2015 | 2,062,131 | $99,560 | — | — |
| Q1 2015 | 2,613,531 | $130,650 | — | — |
| Q4 2014 | 2,613,531 | $171,265 | — | — |
| Q3 2014 | 4,855,731 | $369,521 | — | — |
| Q2 2014 | 5,292,631 | $435,848 | — | — |