Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2019 | 3,359 | $297 | $87.02 | $80.39 - $92.37 |
| Q3 2019 | 5,915 | $527 | $90.44 | $82.38 - $97.82 |
| Q2 2019 | 7,813 | $729 | $101.82 | $89.24 - $112.50 |
| Q1 2019 | 7,753 | $842 | $116.40 | $99.24 - $133.12 |
| Q4 2018 | 7,739 | $905 | $125.24 | $109.50 - $133.95 |
| Q3 2018 | 7,288 | $945 | $126.95 | $115.25 - $140.32 |
| Q2 2018 | 7,357 | $912 | $107.98 | $92.00 - $136.65 |
| Q1 2018 | 7,930 | $743 | $99.25 | $88.80 - $108.45 |
| Q4 2017 | 8,430 | $838 | $109.11 | $95.50 - $121.40 |
| Q3 2017 | 2,597 | $276 | $105.66 | $95.65 - $114.70 |
| Q2 2017 | 2,597 | $287 | $105.57 | $98.05 - $112.45 |
| Q1 2017 | 2,597 | $265 | $103.21 | $91.75 - $112.00 |
| Q4 2016 | 2,497 | $266 | $93.06 | $83.53 - $108.75 |
| Q3 2016 | 2,597 | $228 | $90.73 | $85.13 - $96.25 |
| Q2 2016 | 2,497 | $236 | $87.97 | $81.96 - $94.35 |
| Q1 2016 | 2,497 | $209 | $80.09 | $72.30 - $88.00 |
| Q4 2014 | 3,464 | $201 | $59.42 | $54.07 - $63.69 |
| Q3 2014 | 3,364 | $204 | $66.40 | $60.68 - $75.50 |
| Q2 2014 | 3,364 | $245 | $71.81 | $67.09 - $77.75 |
| Q1 2014 | 3,364 | $262 | $78.13 | $73.04 - $84.00 |
| Q4 2013 | 3,864 | $311 | $73.58 | $67.32 - $81.00 |
| Q3 2013 | 4,364 | $307 | $72.80 | $68.50 - $77.50 |
| Q2 2013 | 4,464 | $321 | $76.01 | $70.25 - $80.50 |
| Q1 2013 | 4,364 | $351 | $74.65 | $68.64 - $80.68 |