CUSIP: 636220303 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2017 | 148,292 | $3,129 | — | — |
| Q1 2017 | 272,257 | $6,469 | — | — |
| Q4 2016 | 297,869 | $7,444 | — | — |
| Q3 2016 | 206,933 | $4,602 | — | — |
| Q2 2016 | 211,183 | $4,524 | — | — |