Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2018 | 5 | $1 | $126.95 | $115.25 - $140.32 |
| Q2 2018 | 5 | $1 | $107.98 | $92.00 - $136.65 |
| Q1 2018 | 6 | $1 | $99.25 | $88.80 - $108.45 |