CUSIP: 63938y308 Class: PFD
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2015 | 17,585 | $183 | — | — |
| Q3 2015 | 17,985 | $308 | — | — |
| Q2 2015 | 17,485 | $332 | — | — |
| Q1 2015 | 15,625 | $328 | — | — |
| Q4 2014 | 13,940 | $257 | — | — |
| Q3 2014 | 11,760 | $288 | — | — |