CUSIP: 637071101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2014 | 2,861,632 | $187,523 | — | — |
| Q3 2014 | 2,970,139 | $226,027 | — | — |
| Q2 2014 | 5,816,131 | $478,958 | — | — |
| Q1 2014 | 5,678,649 | $442,196 | — | — |
| Q4 2013 | 6,982,265 | $555,300 | — | — |
| Q3 2013 | 6,931,434 | $541,414 | — | — |
| Q2 2013 | 4,869,160 | $335,485 | — | — |