CUSIP: 637071101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 74,869 | $3,615 | — | — |
| Q1 2015 | 79,517 | $3,975 | — | — |
| Q4 2014 | 65,972 | $4,323 | — | — |
| Q3 2014 | 85,527 | $6,509 | — | — |
| Q2 2014 | 82,529 | $6,796 | — | — |