Ticker: NAT CUSIP: G65773106 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 48,623 | $260 | $5.49 | $4.41 - $6.65 |
| Q1 2017 | 53,672 | $451 | $8.27 | $7.65 - $9.32 |
| Q4 2016 | 53,672 | $451 | $8.89 | $7.51 - $10.07 |
| Q3 2015 | 43,900 | $667 | $14.89 | $12.21 - $17.31 |