CUSIP: 635309107 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2014 | 203,212 | $3,558 | — | — |
| Q1 2014 | 186,700 | $2,801 | — | — |
| Q4 2013 | 184,600 | $3,685 | — | — |
| Q3 2013 | 370,500 | $6,988 | — | — |
| Q2 2013 | 348,900 | $5,893 | — | — |