Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2018 | 50 | $6 | $125.24 | $109.50 - $133.95 |
| Q2 2018 | 250 | $31 | $107.98 | $92.00 - $136.65 |
| Q1 2018 | 400 | $38 | $99.25 | $88.80 - $108.45 |
| Q4 2017 | 2,886 | $287 | $109.11 | $95.50 - $121.40 |
| Q3 2017 | 3,386 | $360 | $105.66 | $95.65 - $114.70 |
| Q2 2017 | 1,369 | $151 | $105.57 | $98.05 - $112.45 |
| Q4 2016 | 2,500 | $266 | $93.06 | $83.53 - $108.75 |
| Q3 2016 | 1,750 | $154 | $90.73 | $85.13 - $96.25 |
| Q2 2016 | 1,200 | $113 | $87.97 | $81.96 - $94.35 |
| Q1 2016 | 1,350 | $113 | $80.09 | $72.30 - $88.00 |
| Q4 2015 | 650 | $54 | $86.71 | $78.13 - $94.18 |