CUSIP: 637071101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2014 | 381,725 | $25,014 | — | — |
| Q3 2014 | 337,754 | $25,703 | — | — |
| Q2 2014 | 270,412 | $22,268 | — | — |
| Q1 2014 | 258,872 | $20,158 | — | — |
| Q4 2013 | 249,332 | $19,829 | — | — |