NPK International Inc. (NPKI)

Latest Insider Confidence Score

2026Q1

49.6
Bearish

Company insider confidence (by quarter)

2010Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Lanigan Matthew CEO 770,249 Oct 6, 2025
Howes Paul L CEO 437,413 Jun 11, 2013
Young Donald Win Director 310,940 May 19, 2025
White Douglas L VP, CAO & Treasurer 305,245 Jun 17, 2025
Finley G Stephen Director 275,484 May 21, 2021

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 4, 2026 Mar 5, 2026 Piontek Gregg CFO Sell 23.8 -108,590 -10.26% $1.5M
Feb 23, 2026 Feb 25, 2026 Lewis Michael A Director Sell 48.1 -2,013 -1.51% $28.8K
Jun 1, 2025 Jan 21, 2026 Fruge Mary Celeste VP, General Counsel Neutral 52.5 - 0.00% -
Nov 24, 2025 Nov 25, 2025 Lewis Michael A Director Sell 48.8 -2,013 -1.49% $24.2K
Oct 3, 2025 Oct 6, 2025 LANIGAN MATTHEW CEO Neutral 27.5 -770,249 -41.27% -
Oct 1, 2025 Oct 3, 2025 Briggs Lori President Sell 37.5 -10,108 -4.00% $116.4K
Sep 3, 2025 Sep 4, 2025 LANIGAN MATTHEW CEO Sell 55.0 -1,000 -0.09% $10.4K
Aug 25, 2025 Aug 26, 2025 Lewis Michael A Director Sell 48.8 -2,013 -1.47% $20.8K
Aug 22, 2025 Aug 26, 2025 LANIGAN MATTHEW CEO Sell 30.0 -68,896 -5.91% $712.5K
Aug 11, 2025 Aug 12, 2025 Briggs Lori President Sell 37.5 -8,005 -3.07% $76.1K
Jul 9, 2025 Jul 10, 2025 Briggs Lori President Sell 41.3 -8,005 -2.98% $68.6K
Jun 16, 2025 Jun 17, 2025 Lewis Michael A Director Sell 48.8 -2,013 -1.44% $17.3K
Jun 14, 2025 Jun 17, 2025 WHITE DOUGLAS L VP, CAO & Treasurer Neutral 60.0 +730 0.24% -
Jun 6, 2025 Jun 10, 2025 Briggs Lori President Sell 37.5 -9,704 -3.49% $81.3K
Jun 1, 2025 Jun 3, 2025 WHITE DOUGLAS L VP, CAO & Treasurer Sell 42.5 -15,713 -4.91% $127.1K
Jun 1, 2025 Jun 3, 2025 Briggs Lori President Sell 42.5 -25,364 -8.35% $205.2K
Jun 1, 2025 Jun 3, 2025 LANIGAN MATTHEW CEO Sell 40.0 -104,409 -8.70% $844.7K
Jun 1, 2025 Jun 3, 2025 Piontek Gregg CFO Sell 40.0 -42,079 -4.27% $340.4K
Jun 1, 2025 Jun 3, 2025 Fruge Mary Celeste VP, General Counsel Sell 42.5 -17,450 -6.58% $141.2K
May 19, 2025 May 20, 2025 Meer Claudia Michel Director Buy 83.8 +4,000 3.50% $31.7K
May 15, 2025 May 19, 2025 LARSON RODERICK A. Director Neutral 85.0 +15,097 6.46% -
May 15, 2025 May 19, 2025 Young Donald Win Director Neutral 85.0 +15,097 5.10% -
May 15, 2025 May 19, 2025 ROBESON ROSE M Director Neutral 85.0 +18,720 9.57% -
May 15, 2025 May 19, 2025 MINGE JOHN C Director Neutral 85.0 +15,097 6.56% -
May 15, 2025 May 19, 2025 Meer Claudia Michel Director Neutral 90.0 +15,097 15.24% -
May 15, 2025 May 19, 2025 Lewis Michael A Director Neutral 90.0 +15,097 12.15% -
May 15, 2025 May 19, 2025 CUTILLO JOSEPH A Director Neutral 90.0 +15,097 120.78% -
May 14, 2025 May 16, 2025 WHITE DOUGLAS L VP, CAO & Treasurer Neutral 90.0 +29,900 11.57% -
May 14, 2025 May 16, 2025 Piontek Gregg CFO Neutral 90.0 +85,706 10.01% -
May 14, 2025 May 16, 2025 LANIGAN MATTHEW CEO Neutral 90.0 +212,667 27.31% -
May 14, 2025 May 16, 2025 Fruge Mary Celeste VP, General Counsel Neutral 90.0 +39,783 17.63% -
May 14, 2025 May 16, 2025 Briggs Lori President Neutral 90.0 +51,667 25.67% -
May 8, 2025 May 8, 2025 CUTILLO JOSEPH A Director Buy 95.0 +12,500 100.00% $100K
Mar 19, 2025 CUTILLO JOSEPH A Director Neutral 52.5 - 0.00% -
Mar 5, 2025 Mar 6, 2025 MINGE JOHN C Director Buy 87.5 +10,000 4.54% $53.8K
Dec 13, 2024 Dec 17, 2024 WHITE DOUGLAS L VP, CAO & Treasurer Neutral 60.0 +722 0.28% -
Sep 1, 2024 Sep 4, 2024 LANIGAN MATTHEW CEO Sell 42.5 -13,116 -1.66% $107.9K
Sep 1, 2024 Sep 4, 2024 Briggs Lori President Sell 42.5 -6,558 -3.16% $54K
Jun 14, 2024 Jun 17, 2024 WHITE DOUGLAS L VP, CAO & Treasurer Neutral 60.0 +841 0.33% -
Jun 14, 2024 Jun 17, 2024 Briggs Lori President Neutral 67.5 +1,378 0.73% -
Jun 1, 2024 Jun 4, 2024 Piontek Gregg CFO Sell 40.0 -53,259 -5.85% $451.6K
Jun 1, 2024 Jun 4, 2024 PATERSON DAVID A President Sell 42.5 -24,177 -5.89% $205K
Jun 1, 2024 Jun 4, 2024 WHITE DOUGLAS L VP, CAO & Treasurer Sell 42.5 -12,336 -4.58% $104.6K
Jun 1, 2024 Jun 4, 2024 LANIGAN MATTHEW CEO Sell 40.0 -96,772 -11.31% $820.6K
Jun 1, 2024 Jun 4, 2024 Fruge Mary Celeste VP, General Counsel Sell 42.5 -19,913 -8.11% $168.9K
Jun 1, 2024 Jun 4, 2024 Briggs Lori President Sell 42.5 -26,260 -12.15% $222.7K
May 16, 2024 May 20, 2024 LARSON RODERICK A. Director Neutral 85.0 +16,108 7.40% -
May 16, 2024 May 20, 2024 Young Donald Win Director Neutral 85.0 +16,108 5.76% -
May 16, 2024 May 20, 2024 ROBESON ROSE M Director Neutral 90.0 +19,974 11.38% -
May 16, 2024 May 20, 2024 MINGE JOHN C Director Neutral 85.0 +16,108 7.89% -
May 16, 2024 May 20, 2024 Meer Claudia Michel Director Neutral 90.0 +16,108 19.42% -
May 16, 2024 May 20, 2024 Lewis Michael A Director Neutral 90.0 +16,108 14.89% -
May 15, 2024 May 17, 2024 WHITE DOUGLAS L VP, CAO & Treasurer Neutral 90.0 +23,800 12.23% -
May 15, 2024 May 17, 2024 Piontek Gregg CFO Neutral 85.0 +68,308 9.67% -
May 15, 2024 May 17, 2024 PATERSON DAVID A President Neutral 90.0 +47,767 17.82% -
May 15, 2024 May 17, 2024 LANIGAN MATTHEW CEO Neutral 90.0 +169,496 38.53% -
May 15, 2024 May 17, 2024 Fruge Mary Celeste VP, General Counsel Neutral 90.0 +29,223 14.68% -
May 15, 2024 May 17, 2024 Briggs Lori President Neutral 90.0 +41,178 38.07% -
Dec 14, 2023 Dec 15, 2023 WHITE DOUGLAS L VP, CAO & Treasurer Neutral 67.5 +1,203 0.62% -
Dec 14, 2023 Dec 15, 2023 Fruge Mary Celeste VP, General Counsel Neutral 77.5 +2,000 1.02% -
Dec 14, 2023 Dec 15, 2023 Briggs Lori President Neutral 77.5 +1,965 1.77% -
Nov 20, 2023 Nov 21, 2023 WHITE DOUGLAS L VP, CAO & Treasurer Sell 46.3 -3,043 -1.55% $21.9K
Sep 1, 2023 Sep 6, 2023 LANIGAN MATTHEW CEO Sell 42.5 -13,116 -2.89% $80.4K
Sep 1, 2023 Sep 6, 2023 Briggs Lori President Sell 46.3 -6,558 -5.56% $40.2K
Aug 21, 2023 Aug 22, 2023 Meer Claudia Michel Director Buy 77.5 +1,300 1.59% $7.2K
Aug 16, 2023 Aug 17, 2023 Meer Claudia Michel Director Buy 91.3 +8,000 10.87% $42.2K
Jul 15, 2023 Jul 18, 2023 PATERSON DAVID A President Sell 42.5 -17,425 -6.10% $91.7K
Jun 14, 2023 Jun 16, 2023 WHITE DOUGLAS L VP, CAO & Treasurer Neutral 67.5 +1,320 0.72% -
Jun 14, 2023 Jun 16, 2023 Fruge Mary Celeste VP, General Counsel Neutral 77.5 +2,000 1.03% -
Jun 14, 2023 Jun 16, 2023 Briggs Lori President Neutral 77.5 +2,000 2.02% -
Jun 1, 2023 Jun 5, 2023 WHITE DOUGLAS L President Sell 46.3 -12,985 -2.57% $47.7K
Jun 1, 2023 Jun 5, 2023 Piontek Gregg CFO Sell 42.5 -23,125 -1.88% $84.9K
Jun 1, 2023 Jun 5, 2023 PATERSON DAVID A President Sell 42.5 -24,244 -3.30% $89K
Jun 1, 2023 Jun 5, 2023 LANIGAN MATTHEW CEO Sell 40.0 -70,873 -5.61% $260.1K
Jun 1, 2023 Jun 5, 2023 Fruge Mary Celeste VP, General Counsel Sell 46.3 -10,956 -5.32% $40.2K
Jun 1, 2023 Jun 5, 2023 Briggs Lori President Sell 42.5 -22,191 -5.85% $81.4K
May 18, 2023 May 26, 2023 LARSON RODERICK A. Director Neutral 90.0 +32,134 17.33% -
May 18, 2023 May 25, 2023 Young Donald Win Director Neutral 90.0 +32,134 12.98% -
May 18, 2023 May 25, 2023 ROBESON ROSE M Director Neutral 90.0 +39,846 29.35% -
May 18, 2023 May 25, 2023 MINGE JOHN C Director Neutral 90.0 +32,134 18.68% -
May 18, 2023 May 25, 2023 Meer Claudia Michel Director Neutral 90.0 +32,134 77.44% -
May 18, 2023 May 25, 2023 Lewis Michael A Director Neutral 90.0 +32,134 42.26% -
May 18, 2023 May 22, 2023 Fruge Mary Celeste VP, General Counsel Neutral 52.5 - 0.00% -
May 18, 2023 May 22, 2023 Young Donald Win Director Neutral 90.0 +38,560 15.57% -
May 18, 2023 May 22, 2023 WHITE DOUGLAS L President Neutral 52.5 - 0.00% -
May 18, 2023 May 22, 2023 ROBESON ROSE M Director Neutral 90.0 +46,272 34.09% -
May 18, 2023 May 22, 2023 Piontek Gregg CFO Neutral 52.5 - 0.00% -
May 18, 2023 May 22, 2023 PATERSON DAVID A President Neutral 52.5 - 0.00% -
May 18, 2023 May 22, 2023 MINGE JOHN C Director Neutral 90.0 +38,560 22.41% -
May 18, 2023 May 22, 2023 Lewis Michael A Director Neutral 90.0 +38,560 50.71% -
May 18, 2023 May 22, 2023 LARSON RODERICK A. Director Neutral 90.0 +38,560 20.80% -
May 18, 2023 May 22, 2023 LANIGAN MATTHEW CEO Neutral 52.5 - 0.00% -
May 18, 2023 May 22, 2023 Briggs Lori President Neutral 52.5 - 0.00% -
May 18, 2023 May 22, 2023 Meer Claudia Michel Director Neutral 90.0 +38,560 92.92% -
May 9, 2023 Fruge Mary Celeste VP, General Counsel Neutral 52.5 - 0.00% -
Mar 15, 2023 Mar 17, 2023 MINGE JOHN C Director Buy 86.3 +10,000 6.17% $40.3K
Dec 14, 2022 Dec 16, 2022 WHITE DOUGLAS L President Neutral 67.5 +1,367 0.97% -
Dec 14, 2022 Dec 16, 2022 Earle Edward Chipman VP, General Counsel, CAO Neutral 67.5 +2,000 0.88% -
Dec 14, 2022 Dec 16, 2022 Briggs Lori President Neutral 82.5 +2,000 3.18% -
Dec 9, 2022 Dec 12, 2022 Lewis Michael A Director Buy 86.3 +5,251 7.42% $20.9K