Ticker: NAT CUSIP: G65773106 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 10,050 | $120 | $10.57 | $9.08 - $11.98 |
| Q4 2014 | 13,050 | $131,414 | $8.58 | $6.89 - $10.34 |
| Q3 2014 | 12,050 | $95,798 | $8.73 | $7.89 - $9.44 |
| Q2 2014 | 22,995 | $219,142 | $8.56 | $7.84 - $9.85 |
| Q1 2014 | 16,295 | $160,343 | $10.10 | $9.07 - $12.34 |
| Q2 2013 | 11,250 | $85,163 | $8.57 | $6.85 - $11.30 |