Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2019 | 176 | $19 | $116.40 | $99.24 - $133.12 |
| Q4 2018 | 99 | $12 | $125.24 | $109.50 - $133.95 |
| Q3 2018 | 99 | $13 | $126.95 | $115.25 - $140.32 |
| Q4 2017 | 45 | $4 | $109.11 | $95.50 - $121.40 |
| Q3 2017 | 76 | $8 | $105.66 | $95.65 - $114.70 |
| Q2 2017 | 76 | $8 | $105.57 | $98.05 - $112.45 |
| Q1 2017 | 31 | $3 | $103.21 | $91.75 - $112.00 |
| Q4 2016 | 31 | $3 | $93.06 | $83.53 - $108.75 |
| Q3 2016 | 31 | $3 | $90.73 | $85.13 - $96.25 |
| Q2 2016 | 65 | $6 | $87.97 | $81.96 - $94.35 |
| Q1 2016 | 172 | $14 | $80.09 | $72.30 - $88.00 |
| Q4 2015 | 111 | $9 | $86.71 | $78.13 - $94.18 |
| Q3 2015 | 111 | $9 | $81.19 | $74.57 - $88.00 |