Ticker: NAT CUSIP: G65773106 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 11,000 | $59 | $5.49 | $4.41 - $6.65 |
| Q2 2017 | 11,000 | $70 | $7.03 | $5.43 - $8.61 |
| Q1 2017 | 11,000 | $90 | $8.27 | $7.65 - $9.32 |
| Q4 2016 | 11,000 | $92 | $8.89 | $7.51 - $10.07 |
| Q3 2014 | 230 | $2 | $8.73 | $7.89 - $9.44 |