CUSIP: 635309107 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2017 | 2,586,656 | $19,193 | — | — |
| Q1 2017 | 2,694,514 | $34,032 | — | — |
| Q4 2016 | 3,545,175 | $52,220 | — | — |
| Q3 2016 | 3,399,380 | $50,039 | — | — |
| Q2 2016 | 3,254,261 | $50,376 | — | — |
| Q1 2016 | 3,257,732 | $49,550 | — | — |
| Q4 2015 | 3,076,675 | $48,335 | — | — |
| Q3 2015 | 3,146,309 | $42,223 | — | — |
| Q2 2015 | 2,780,759 | $44,381 | — | — |
| Q1 2015 | 2,733,900 | $41,282 | — | — |
| Q4 2014 | 2,988,275 | $42,942 | — | — |
| Q3 2014 | 3,115,560 | $45,207 | — | — |
| Q2 2014 | 2,883,910 | $50,497 | — | — |
| Q1 2014 | 2,275,015 | $34,125 | — | — |
| Q4 2013 | 1,863,205 | $37,190 | — | — |
| Q3 2013 | 1,794,784 | $33,850 | — | — |
| Q2 2013 | 1,170,594 | $19,771 | — | — |