| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NPK | Common stock $1.00 par value | Tax liability | $837 | -11 | -0.92% | $76.06 | 1,185 | 15 Mar 2024 | Direct | |
| holding | NPK | Common stock $1.00 par value | 699 | 15 Mar 2024 | 401(k) plan |