Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 9,577 | $1 | $104.80 | $91.28 - $120.49 |
| Q3 2025 | 22,108 | $2 | $106.18 | $94.71 - $117.46 |
| Q2 2025 | 21,448 | $2 | $87.38 | $77.63 - $100.17 |
| Q1 2025 | 16,550 | $1 | $95.29 | $85.21 - $103.93 |
| Q4 2024 | 21,337 | $2 | $80.38 | $69.80 - $99.07 |
| Q3 2024 | 21,234 | $2 | $74.60 | $69.58 - $79.26 |
| Q2 2024 | 2,823 | $0 | $78.76 | $72.07 - $86.08 |
| Q2 2017 | 6,716 | $742 | $105.57 | $98.05 - $112.45 |