Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2021 | 3,975 | $326 | $83.82 | $78.33 - $89.50 |
| Q3 2021 | 4,975 | $408 | $89.68 | $79.78 - $103.69 |
| Q2 2021 | 5,425 | $551 | $103.08 | $97.03 - $107.89 |
| Q1 2021 | 5,425 | $554 | $98.38 | $86.66 - $117.87 |
| Q4 2020 | 5,225 | $462 | $85.92 | $79.49 - $94.30 |
| Q3 2020 | 5,225 | $428 | $87.32 | $81.09 - $95.66 |
| Q2 2020 | 5,725 | $500 | $85.05 | $68.17 - $97.90 |
| Q1 2020 | 6,125 | $434 | $84.26 | $66.60 - $93.99 |
| Q4 2019 | 2,800 | $247 | $87.02 | $80.39 - $92.37 |
| Q4 2014 | 4,309 | $250 | $59.42 | $54.07 - $63.69 |
| Q3 2014 | 4,609 | $280 | $66.40 | $60.68 - $75.50 |
| Q2 2014 | 4,675 | $341 | $71.81 | $67.09 - $77.75 |
| Q1 2014 | 4,975 | $388 | $78.13 | $73.04 - $84.00 |
| Q4 2013 | 4,975 | $400 | $73.58 | $67.32 - $81.00 |
| Q3 2013 | 4,975 | $350 | $72.80 | $68.50 - $77.50 |
| Q2 2013 | 4,975 | $358 | $76.01 | $70.25 - $80.50 |