| Type | Value |
|---|---|
| cik | 0000080172 |
| ticker | NPK |
Discretionary BUY minus SELL in USD over rolling windows. Excludes compensation flow.
| Date | Type | Insider | Qty | Price | Signals |
|---|---|---|---|---|---|
| 30 Apr 2026 | TAX_WITHHOLDING | Morgan Jeffery Alan | 349 | 139.84 USD | |
| 17 Mar 2026 | SALE | Peuse David Jentity | 500 | 140.16 USD | indirect |
| 16 Mar 2026 | TAX_WITHHOLDING | MacKenzie John Roderick JR | 62 | 131.58 USD | |
| 16 Mar 2026 | TAX_WITHHOLDING | Morgan Jeffery Alan | 100 | 131.58 USD |
| 16 Mar 2026 | TAX_WITHHOLDING | Frederick Douglas Jentity | 36 | 131.58 USD |
| 16 Mar 2026 | TAX_WITHHOLDING | Peuse David Jentity | 78 | 131.58 USD |
| 11 Mar 2026 | SALE | LIEBLE RANDY F | 2,417 | 143.97 USD |
| 02 Jan 2026 | GRANT_AWARD | MacKenzie John Roderick JR | 327 | 0.00 USD |
| 02 Jan 2026 | GRANT_AWARD | Frederick Douglas Jentity | 386 | 0.00 USD |
| 02 Jan 2026 | GRANT_AWARD | Peuse David Jentity | 327 | 0.00 USD |
| 02 Jan 2026 | GRANT_AWARD | Morgan Jeffery Alan | 234 | 0.00 USD |
| 02 Jan 2026 | GRANT_AWARD | QUINN PATRICK J | 100 | 0.00 USD | indirect |
| 02 Jan 2026 | GRANT_AWARD | Stienessen Joseph G | 100 | 0.00 USD | indirect |
| 02 Jan 2026 | GRANT_AWARD | LIEBLE RANDY F | 100 | 0.00 USD | indirect |
| 17 Mar 2025 | TAX_WITHHOLDING | Frederick Douglas Jentity | 96 | 89.01 USD |
| 17 Mar 2025 | TAX_WITHHOLDING | Morgan Jeffery Alan | 78 | 89.01 USD |
| 17 Mar 2025 | TAX_WITHHOLDING | Peuse David Jentity | 19 | 89.01 USD |
| 02 Jan 2025 | GRANT_AWARD | Peuse David Jentity | 254 | 0.00 USD |
| 02 Jan 2025 | GRANT_AWARD | COHEN MARYJO R | 1,016 | 0.00 USD |
| 02 Jan 2025 | GRANT_AWARD | QUINN PATRICK J | 106 | 0.00 USD | indirect |
| 02 Jan 2025 | GRANT_AWARD | LIEBLE RANDY F | 106 | 0.00 USD | indirect |
| 02 Jan 2025 | GRANT_AWARD | MacKenzie John Roderick JR | 406 | 0.00 USD |
| 02 Jan 2025 | GRANT_AWARD | Frederick Douglas Jentity | 406 | 0.00 USD |
| 02 Jan 2025 | GRANT_AWARD | Morgan Jeffery Alan | 254 | 0.00 USD |
| 02 Jan 2025 | GRANT_AWARD | Stienessen Joseph G | 106 | 0.00 USD | indirect |