Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2020 | 47,750 | $4,173 | $85.05 | $68.17 - $97.90 |
| Q1 2020 | 48,350 | $3,424 | $84.26 | $66.60 - $93.99 |
| Q4 2019 | 48,675 | $4,302 | $87.02 | $80.39 - $92.37 |
| Q3 2019 | 48,925 | $4,359 | $90.44 | $82.38 - $97.82 |
| Q2 2019 | 48,952 | $4,567 | $101.82 | $89.24 - $112.50 |
| Q1 2019 | 49,276 | $5,349 | $116.40 | $99.24 - $133.12 |
| Q4 2018 | 49,278 | $5,762 | $125.24 | $109.50 - $133.95 |
| Q3 2018 | 48,903 | $6,285 | $126.95 | $115.25 - $140.32 |
| Q2 2018 | 48,800 | $6,051 | $107.98 | $92.00 - $136.65 |
| Q1 2018 | 10,601 | $994 | $99.25 | $88.80 - $108.45 |
| Q4 2017 | 10,751 | $1,069 | $109.11 | $95.50 - $121.40 |
| Q3 2017 | 10,751 | $1,145 | $105.66 | $95.65 - $114.70 |
| Q2 2017 | 10,750 | $1,188 | $105.57 | $98.05 - $112.45 |
| Q1 2017 | 10,500 | $1,073 | $103.21 | $91.75 - $112.00 |
| Q4 2016 | 10,600 | $1,128 | $93.06 | $83.53 - $108.75 |
| Q3 2016 | 10,600 | $931 | $90.73 | $85.13 - $96.25 |
| Q2 2016 | 10,450 | $975 | $87.97 | $81.96 - $94.35 |
| Q1 2016 | 5,950 | $498 | $80.09 | $72.30 - $88.00 |
| Q4 2015 | 5,700 | $472 | $86.71 | $78.13 - $94.18 |
| Q3 2015 | 7,000 | $590 | $81.19 | $74.57 - $88.00 |
| Q2 2015 | 6,790 | $545 | $68.50 | $61.65 - $80.34 |