Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2019 | 91,870 | $1,126 | $11.66 | $10.44 - $12.91 |
| Q3 2019 | 408,770 | $5,236 | $13.56 | $10.11 - $16.51 |
| Q2 2019 | 442,596 | $7,303 | $16.22 | $14.71 - $18.54 |
| Q1 2019 | 438,501 | $7,590 | $17.65 | $15.90 - $19.02 |
| Q4 2018 | 412,136 | $6,776 | $18.94 | $15.26 - $20.99 |
| Q3 2018 | 395,006 | $8,335 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 395,716 | $9,339 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 394,394 | $9,406 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 393,699 | $10,315 | $26.38 | $23.89 - $29.04 |
| Q3 2017 | 379,955 | $10,791 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 372,960 | $9,268 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 368,685 | $9,604 | $27.74 | $23.30 - $33.05 |