CUSIP: 63934E108 Class: COMMON STOCK
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 3,815,781 | $112,566 | — | — |
| Q4 2014 | 4,306,417 | $144,179 | — | — |
| Q3 2014 | 4,838,683 | $159,241 | — | — |
| Q2 2014 | 4,958,283 | $185,836 | — | — |
| Q4 2013 | 5,051,833 | $192,930 | — | — |
| Q3 2013 | 4,165,335 | $151,951 | — | — |
| Q2 2013 | 3,967,335 | $110,133 | — | — |