NPK INTERNATIONAL INC (NPKI) Stock Ownership

NYSE:NPKI • US6517185046

Current stock price

14.71 USD
+0.2 (+1.38%)
At close:
14.79 USD
+0.08 (+0.54%)
Pre-Market:

NPKI Ownership information

NPKI Ownership Chart.NPKI Ownership Chart: showing Insider, Institutional ownership and shares available to the public.NPKI Ownership.InsiderInstitutionalPublic



Shares Outstanding84.41M
Float80.61M
Float Short Interest Percentage1.95%
Owners (insider)2.89%
Owners (institutional)91.46%
Owners (insider) change-2.74%
Owners (institutional) change0.59%
NPKI Institutional Ownership HistoryNPKI Institutional Ownership HistoryNPKI Institutional Ownership History Dec 2025 Mar 2026 20M 40M 60M
NPKI Historical Insider Transactions ChartNPKI Historical Insider Buy and Sell Transactions ChartNPKI Historical Insider Transactions May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 0 200K 400K 600K
DateNameTypeSharesPriceAmount
Apr 9, 2026Piontek GreggOpen Market Sale1500015.05$ 225,675.00
Apr 1, 2026Piontek GreggOpen Market Sale3500014.51$ 507,864.00
Mar 25, 2026Piontek GreggOpen Market Sale1500015.03$ 225,384.00
Mar 16, 2026Fruge Mary CelesteOption Excercise10004.32$ 4,320.00
Mar 16, 2026Fruge Mary CelesteOpen Market Sale100013.56$ 13,560.00
Mar 6, 2026Fruge Mary CelesteOption Excercise111934.32$ 48,353.76
Mar 6, 2026Fruge Mary CelesteOpen Market Sale1119313.34$ 149,303.43
Mar 4, 2026Piontek GreggOption Excercise735904.32$ 317,908.80
Mar 4, 2026Piontek GreggOpen Market Sale10859014.07$ 1,528,055.96
Feb 23, 2026Lewis Michael AOpen Market Sale201314.31$ 28,796.37
Nov 24, 2025Lewis Michael AOpen Market Sale201312.00$ 24,156.20
Oct 1, 2025Briggs LoriOpen Market Sale1010811.51$ 116,352.18
Sep 3, 2025LANIGAN MATTHEWOption Excercise10004.32$ 4,320.00
Sep 3, 2025LANIGAN MATTHEWOpen Market Sale100010.38$ 10,380.00
Aug 25, 2025Lewis Michael AOpen Market Sale201310.33$ 20,796.50
Aug 22, 2025LANIGAN MATTHEWOption Excercise688964.32$ 297,630.72
Aug 22, 2025LANIGAN MATTHEWOpen Market Sale6889610.34$ 712,536.21
Aug 11, 2025Briggs LoriOpen Market Sale80059.51$ 76,147.56
Jul 9, 2025Briggs LoriOpen Market Sale80058.57$ 68,583.64
Jun 16, 2025Lewis Michael AOpen Market Sale20138.60$ 17,315.02
Jun 14, 2025WHITE DOUGLAS LGrant7306.51$ 4,753.03
Jun 6, 2025Briggs LoriOpen Market Sale97048.38$ 81,324.37
Jun 1, 2025LANIGAN MATTHEWOption Excercise2088390.00$ 0.00
Jun 1, 2025LANIGAN MATTHEWOption Excercise1044098.09$ 844,668.81
Jun 1, 2025Piontek GreggOption Excercise841690.00$ 0.00
Jun 1, 2025Piontek GreggOption Excercise420798.09$ 340,419.11
Jun 1, 2025WHITE DOUGLAS LOption Excercise320000.00$ 0.00
Jun 1, 2025WHITE DOUGLAS LOption Excercise157138.09$ 127,118.17
Jun 1, 2025Briggs LoriOption Excercise507360.00$ 0.00
Jun 1, 2025Briggs LoriOption Excercise253648.09$ 205,194.76
Jun 1, 2025Fruge Mary CelesteOption Excercise174508.09$ 141,170.50
Jun 1, 2025Fruge Mary CelesteOption Excercise172470.00$ 0.00
May 19, 2025Meer Claudia MichelOpen Market Purchase40007.92$ 31,680.00
May 15, 2025Young Donald WinGrant150970.00$ 0.00
May 15, 2025ROBESON ROSE MGrant187200.00$ 0.00
May 15, 2025MINGE JOHN CGrant150970.00$ 0.00
May 15, 2025Meer Claudia MichelGrant150970.00$ 0.00
May 15, 2025Lewis Michael AGrant150970.00$ 0.00
May 15, 2025CUTILLO JOSEPH AGrant150970.00$ 0.00
May 15, 2025LARSON RODERICK A.Grant150970.00$ 0.00
May 14, 2025WHITE DOUGLAS LGrant299000.00$ 0.00
May 14, 2025Piontek GreggGrant857060.00$ 0.00
May 14, 2025LANIGAN MATTHEWGrant2126670.00$ 0.00
May 14, 2025Fruge Mary CelesteGrant397830.00$ 0.00
May 14, 2025Briggs LoriGrant516670.00$ 0.00
May 8, 2025CUTILLO JOSEPH AOpen Market Purchase125008.00$ 99,997.50