Ticker: NAT CUSIP: G65773106 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2018 | 11,000 | $21 | $2.29 | $1.82 - $2.68 |
| Q4 2017 | 58,328 | $143 | $4.14 | $2.45 - $5.84 |
| Q3 2017 | 137,193 | $733 | $5.49 | $4.41 - $6.65 |
| Q2 2017 | 141,254 | $896 | $7.03 | $5.43 - $8.61 |
| Q1 2017 | 122,054 | $998 | $8.27 | $7.65 - $9.32 |
| Q4 2016 | 93,907 | $788 | $8.89 | $7.51 - $10.07 |
| Q3 2016 | 84,690 | $855 | $11.62 | $9.77 - $14.30 |
| Q2 2016 | 63,575 | $883 | $14.56 | $13.04 - $16.05 |