CUSIP: 637138108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2014 | 704,839 | $6,844 | — | — |
| Q2 2014 | 521,872 | $5,521 | — | — |
| Q1 2014 | 610,207 | $6,377 | — | — |
| Q4 2013 | 315,659 | $3,576 | — | — |
| Q3 2013 | 101,453 | $1,020 | — | — |
| Q2 2013 | 57,933 | $589 | — | — |