Ticker: NG CUSIP: 66987E206 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 10,000 | $41 | $4.32 | $3.91 - $4.70 |
| Q2 2017 | 10,000 | $46 | $4.30 | $3.78 - $5.08 |
| Q1 2017 | 10,000 | $49 | $5.29 | $4.40 - $6.21 |
| Q4 2016 | 10,000 | $46 | $4.52 | $3.79 - $5.65 |
| Q3 2016 | 10,000 | $56 | $6.22 | $5.05 - $7.29 |
| Q2 2016 | 10,000 | $61 | $5.97 | $4.85 - $6.79 |
| Q1 2016 | 10,000 | $50 | $4.60 | $3.50 - $5.57 |
| Q4 2015 | 10,000 | $42 | $3.84 | $3.05 - $4.60 |
| Q3 2015 | 10,000 | $36 | $3.37 | $2.65 - $3.88 |
| Q2 2015 | 10,000 | $34 | $3.80 | $2.90 - $4.25 |
| Q1 2015 | 10,000 | $30 | $3.50 | $2.72 - $4.14 |
| Q4 2014 | 10,000 | $30 | $2.82 | $2.33 - $3.20 |
| Q3 2014 | 20,000 | $61 | $3.75 | $3.02 - $4.40 |
| Q2 2014 | 20,000 | $84 | $3.54 | $2.91 - $4.40 |
| Q1 2014 | 12,000 | $43 | $3.41 | $2.54 - $4.62 |