NPK International Inc. (NPKI) Insider Trading
Over the last 3 months, NPKI insiders made 0 open-market buys and 6 sales, a net sale of -$3.5M (SEC Form 4).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
6
Net (3m)
-$3.5M
Insider trades by month Buys Sells
Nov
Feb
Mar
Apr
May
Jun
Context3-month price +9.8%
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 9, 2026 | Briggs Loriofficer: VP & President, Ind. Solutions | Sell | 8,325 | $14.75 |
| Jun 5, 2026 | LANIGAN MATTHEWdirector, officer: President & CEO | Sell | 167,375 | $14.43 |
| Jun 3, 2026 | Fruge Mary Celesteofficer: VP, General Counsel | Tax | 5,218 | $14.31 |
| Jun 3, 2026 | Piontek Greggofficer: Senior Vice President and CFO | Option | 40,379 | — |
| Jun 3, 2026 | Piontek Greggofficer: Senior Vice President and CFO | Tax | 11,241 | $14.31 |
| Jun 3, 2026 | Piontek Greggofficer: Senior Vice President and CFO | Tax | 15,889 | $14.31 |
| Jun 3, 2026 | Piontek Greggofficer: Senior Vice President and CFO | Tax | 8,959 | $14.31 |
| Jun 3, 2026 | LANIGAN MATTHEWdirector, officer: President & CEO | Option | 100,188 | — |
| Jun 3, 2026 | LANIGAN MATTHEWdirector, officer: President & CEO | Tax | 39,423 | $14.31 |
| Jun 3, 2026 | LANIGAN MATTHEWdirector, officer: President & CEO | Tax | 27,894 | $14.31 |
| Jun 3, 2026 | LANIGAN MATTHEWdirector, officer: President & CEO | Tax | 22,232 | $14.31 |
| Jun 3, 2026 | Fruge Mary Celesteofficer: VP, General Counsel | Option | 17,274 | — |
| Jun 3, 2026 | Fruge Mary Celesteofficer: VP, General Counsel | Tax | 6,797 | $14.31 |
| Jun 3, 2026 | Fruge Mary Celesteofficer: VP, General Counsel | Tax | 3,833 | $14.31 |
| Jun 3, 2026 | Briggs Loriofficer: VP & President, Ind. Solutions | Sell | 10,446 | $14.58 |
| Jun 3, 2026 | Briggs Loriofficer: VP & President, Ind. Solutions | Option | 24,340 | — |
| Jun 3, 2026 | Briggs Loriofficer: VP & President, Ind. Solutions | Tax | 6,777 | $14.31 |
| Jun 3, 2026 | Briggs Loriofficer: VP & President, Ind. Solutions | Tax | 9,577 | $14.31 |
| Jun 3, 2026 | Briggs Loriofficer: VP & President, Ind. Solutions | Tax | 5,401 | $14.31 |
| May 21, 2026 | MINGE JOHN Cdirector | Grant | 8,558 | — |
| May 21, 2026 | Meer Claudia Micheldirector | Grant | 8,558 | — |
| May 21, 2026 | Lewis Michael Adirector | Grant | 8,558 | — |
| May 21, 2026 | LARSON RODERICK A.director | Grant | 8,558 | — |
| May 21, 2026 | CUTILLO JOSEPH Adirector | Grant | 8,558 | — |
| May 21, 2026 | Piontek Greggofficer: Senior Vice President and CFO | Grant | 34,566 | — |
| May 21, 2026 | LANIGAN MATTHEWdirector, officer: President & CEO | Grant | 85,771 | — |
| May 21, 2026 | Fruge Mary Celesteofficer: VP, General Counsel | Grant | 18,002 | — |
| May 21, 2026 | Briggs Loriofficer: VP & President, Ind. Solutions | Grant | 20,838 | — |
| May 21, 2026 | ROBESON ROSE Mdirector | Grant | 10,862 | — |
| May 19, 2026 | Lewis Michael Adirector | Sell | 2,013 | $15.30 |
Source: NPKI SEC Form 4 filings, latest Jun 9, 2026. For informational purposes only — not investment advice.