Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2019 | 2,534 | $275 | $116.40 | $99.24 - $133.12 |
| Q4 2018 | 2,462 | $288 | $125.24 | $109.50 - $133.95 |
| Q3 2018 | 2,462 | $319 | $126.95 | $115.25 - $140.32 |
| Q2 2018 | 1,973 | $245 | $107.98 | $92.00 - $136.65 |