Ticker: NAT CUSIP: G65773106 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2016 | 15,900 | $144 | $11.62 | $9.77 - $14.30 |
| Q2 2016 | 16,100 | $198 | $14.56 | $13.04 - $16.05 |
| Q1 2016 | 15,900 | $232 | $13.31 | $9.86 - $15.45 |
| Q4 2015 | 18,900 | $262 | $15.16 | $13.64 - $16.88 |