CUSIP: 635309107 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2014 | 1,158,564 | $16,649 | — | — |
| Q3 2014 | 1,231,462 | $17,869 | — | — |
| Q2 2014 | 1,272,367 | $22,279 | — | — |
| Q1 2014 | 1,190,580 | $17,859 | — | — |
| Q4 2013 | 1,154,850 | $23,051 | — | — |
| Q3 2013 | 1,514,812 | $28,569 | — | — |
| Q2 2013 | 1,567,107 | $26,468 | — | — |