CUSIP: 635309107 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2014 | 1,190,447 | $20,845 | — | — |
| Q1 2014 | 1,117,650 | $16,765 | — | — |
| Q4 2013 | 1,288,150 | $25,711 | — | — |
| Q3 2013 | 1,616,900 | $30,495 | — | — |
| Q2 2013 | 1,828,339 | $30,881 | — | — |