Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2018 | 181,785 | $3,836 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 372,172 | $8,783 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 373,204 | $8,901 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 422,352 | $11,066 | $26.38 | $23.89 - $29.04 |
| Q3 2017 | 422,811 | $12,008 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 429,597 | $10,675 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 433,262 | $11,286 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 441,171 | $14,184 | $27.19 | $20.43 - $34.13 |
| Q3 2016 | 442,969 | $10,893 | $24.06 | $21.50 - $26.46 |
| Q2 2016 | 455,490 | $10,431 | $22.14 | $19.61 - $25.27 |
| Q1 2016 | 370,127 | $8,006 | $18.82 | $15.79 - $22.57 |
| Q4 2015 | 370,960 | $8,272 | $21.48 | $18.28 - $24.21 |
| Q3 2015 | 377,418 | $7,284 | $20.31 | $18.37 - $22.64 |
| Q2 2015 | 223,008 | $5,089 | $23.06 | $19.10 - $25.82 |