CUSIP: 637071101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2014 | 112,600 | $9,304 | — | — |
| Q1 2014 | 133,300 | $10,353 | — | — |
| Q4 2013 | 392,800 | $30,906 | — | — |
| Q3 2013 | 531,600 | $41,470 | — | — |
| Q2 2013 | 584,300 | $40,001 | — | — |