Ticker: NAT CUSIP: G65773106 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 10,000 | $53 | $5.49 | $4.41 - $6.65 |
| Q2 2017 | 10,000 | $63 | $7.03 | $5.43 - $8.61 |
| Q2 2016 | 10,000 | $139 | $14.56 | $13.04 - $16.05 |
| Q1 2016 | 10,000 | $141 | $13.31 | $9.86 - $15.45 |