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NPK INTERNATIONAL INC (NPKI) Stock Ownership and Short Interest

USA - New York Stock Exchange - NYSE:NPKI - US6517185046 - Common Stock

12.8 USD
-0.14 (-1.08%)
Last: 12/5/2025, 8:04:00 PM
12.8 USD
0 (0%)
After Hours: 12/5/2025, 8:04:00 PM
NPKI Ownership Chart.NPKI Ownership Chart: showing Insider, Institutional ownership and shares available to the public.NPKI Ownership.InsiderInstitutionalPublic



Shares Outstanding84.49M
Float81.07M
Float Short Interest Percentage1.56%
Owners (insider)2.96%
Owners (institutional)89.55%
Owners (insider) change-0.81%
Owners (institutional) changeN/A
NPKI Institutional Ownership HistoryNPKI Institutional Ownership HistoryNPKI Institutional Ownership History
NPKI Historical Insider Transactions ChartNPKI Historical Insider Buy and Sell Transactions ChartNPKI Historical Insider Transactions Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 0 200K 400K 600K
Date Name Type Shares Price Amount
Nov 24, 2025 Lewis Michael A Open Market Sale 2013 12.00 $ 24,156.20
Oct 1, 2025 Briggs Lori Open Market Sale 10108 11.51 $ 116,352.18
Sep 3, 2025 LANIGAN MATTHEW Option Excercise 1000 4.32 $ 4,320.00
Sep 3, 2025 LANIGAN MATTHEW Open Market Sale 1000 10.38 $ 10,380.00
Aug 25, 2025 Lewis Michael A Open Market Sale 2013 10.33 $ 20,796.50
Aug 22, 2025 LANIGAN MATTHEW Option Excercise 68896 4.32 $ 297,630.72
Aug 22, 2025 LANIGAN MATTHEW Open Market Sale 68896 10.34 $ 712,536.21
Aug 11, 2025 Briggs Lori Open Market Sale 8005 9.51 $ 76,147.56
Jul 9, 2025 Briggs Lori Open Market Sale 8005 8.57 $ 68,583.64
Jun 16, 2025 Lewis Michael A Open Market Sale 2013 8.60 $ 17,315.02
Jun 14, 2025 WHITE DOUGLAS L Grant 730 6.51 $ 4,753.03
Jun 6, 2025 Briggs Lori Open Market Sale 9704 8.38 $ 81,324.37
Jun 1, 2025 LANIGAN MATTHEW Option Excercise 208839 0.00 $ 0.00
Jun 1, 2025 LANIGAN MATTHEW Option Excercise 104409 8.09 $ 844,668.81
Jun 1, 2025 Piontek Gregg Option Excercise 84169 0.00 $ 0.00
Jun 1, 2025 Piontek Gregg Option Excercise 42079 8.09 $ 340,419.11
Jun 1, 2025 WHITE DOUGLAS L Option Excercise 32000 0.00 $ 0.00
Jun 1, 2025 WHITE DOUGLAS L Option Excercise 15713 8.09 $ 127,118.17
Jun 1, 2025 Briggs Lori Option Excercise 50736 0.00 $ 0.00
Jun 1, 2025 Briggs Lori Option Excercise 25364 8.09 $ 205,194.76
Jun 1, 2025 Fruge Mary Celeste Option Excercise 17450 8.09 $ 141,170.50
Jun 1, 2025 Fruge Mary Celeste Option Excercise 17247 0.00 $ 0.00
May 19, 2025 Meer Claudia Michel Open Market Purchase 4000 7.92 $ 31,680.00
May 15, 2025 Young Donald Win Grant 15097 0.00 $ 0.00
May 15, 2025 ROBESON ROSE M Grant 18720 0.00 $ 0.00
May 15, 2025 MINGE JOHN C Grant 15097 0.00 $ 0.00
May 15, 2025 Meer Claudia Michel Grant 15097 0.00 $ 0.00
May 15, 2025 Lewis Michael A Grant 15097 0.00 $ 0.00
May 15, 2025 CUTILLO JOSEPH A Grant 15097 0.00 $ 0.00
May 15, 2025 LARSON RODERICK A. Grant 15097 0.00 $ 0.00
May 14, 2025 WHITE DOUGLAS L Grant 29900 0.00 $ 0.00
May 14, 2025 Piontek Gregg Grant 85706 0.00 $ 0.00
May 14, 2025 LANIGAN MATTHEW Grant 212667 0.00 $ 0.00
May 14, 2025 Fruge Mary Celeste Grant 39783 0.00 $ 0.00
May 14, 2025 Briggs Lori Grant 51667 0.00 $ 0.00
May 8, 2025 CUTILLO JOSEPH A Open Market Purchase 12500 8.00 $ 99,997.50
Mar 5, 2025 MINGE JOHN C Open Market Purchase 10000 5.38 $ 53,800.00