Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2018 | 1,760 | $226 | $126.95 | $115.25 - $140.32 |
| Q2 2018 | 3,936 | $484 | $107.98 | $92.00 - $136.65 |
| Q1 2018 | 8,171 | $766 | $99.25 | $88.80 - $108.45 |
| Q4 2017 | 7,381 | $733 | $109.11 | $95.50 - $121.40 |
| Q3 2017 | 9,456 | $1,007 | $105.66 | $95.65 - $114.70 |
| Q2 2017 | 12,226 | $1,350 | $105.57 | $98.05 - $112.45 |
| Q1 2017 | 13,276 | $1,355 | $103.21 | $91.75 - $112.00 |
| Q4 2016 | 14,176 | $1,510 | $93.06 | $83.53 - $108.75 |
| Q3 2016 | 14,486 | $1,275 | $90.73 | $85.13 - $96.25 |
| Q2 2016 | 15,036 | $1,419 | $87.97 | $81.96 - $94.35 |
| Q1 2016 | 15,586 | $1,305 | $80.09 | $72.30 - $88.00 |
| Q4 2015 | 14,870 | $1,234 | $86.71 | $78.13 - $94.18 |
| Q3 2015 | 17,050 | $1,435 | $81.19 | $74.57 - $88.00 |
| Q2 2015 | 21,605 | $1,734 | $68.50 | $61.65 - $80.34 |
| Q1 2015 | 23,005 | $1,457 | $61.65 | $56.04 - $67.90 |
| Q4 2014 | 21,480 | $1,247 | $59.42 | $54.07 - $63.69 |
| Q3 2014 | 20,980 | $1,272 | $66.40 | $60.68 - $75.50 |
| Q2 2014 | 15,410 | $1,120 | $71.81 | $67.09 - $77.75 |