NPK International (NPKI) Insider Trading & Ownership $10.39 -0.05 (-0.48%) As of 08/29/2025 03:58 PM Eastern Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsTrendsBuy This Stock NPK International (NYSE:NPKI) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage4.90%Number OfInsiders Buying(Last 12 Months)2Amount OfInsider Buying(Last 12 Months)$153.80KNumber OfInsiders Selling(Last 12 Months)3Amount OfInsider Selling(Last 12 Months)$976.54K Get NPKI Insider Trade Alerts Want to know when executives and insiders are buying or selling NPK International stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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NPKI Insider Buying and Selling by Quarter NPK International Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame Start Date End Date Export to Excel Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails8/25/2025Michael A LewisDirectorSell2,013$10.33$20,794.29 8/22/2025Matthew LaniganCEOSell68,896$10.34$712,384.64 8/11/2025Lori BriggsVPSell8,005$9.51$76,127.55 7/9/2025Lori BriggsVPSell8,005$8.57$68,602.85 6/16/2025Michael A LewisDirectorSell2,013$8.60$17,311.80 6/6/2025Lori BriggsVPSell9,704$8.38$81,319.52 5/8/2025Joseph A CutilloDirectorBuy12,500$8.00$100,000.00 3/5/2025John C MingeDirectorBuy10,000$5.38$53,800.00 (Data available from 1/1/2013 forward) NPKI Insider Trading Activity - Frequently Asked Questions Who is on NPK International's Insider Roster? The list of insiders at NPK International includes John C Minge, Joseph A Cutillo, Lori Briggs, Matthew Lanigan, and Michael A Lewis. Learn more on insiders at NPKI. What percentage of NPK International stock is owned by insiders? 4.90% of NPK International stock is owned by insiders. Learn more on NPKI's insider holdings. Which NPK International insiders have been buying company stock? The following insiders have purchased NPKI shares in the last 24 months: John C Minge ($53,800.00), and Joseph A Cutillo ($100,000.00). How much insider buying is happening at NPK International? Insiders have purchased a total of 22,500 NPKI shares in the last 24 months for a total of $153,800.00 bought. Which NPK International insiders have been selling company stock? The following insiders have sold NPKI shares in the last 24 months: Lori Briggs ($226,049.92), Matthew Lanigan ($712,384.64), and Michael A Lewis ($38,106.09). How much insider selling is happening at NPK International? Insiders have sold a total of 98,636 NPK International shares in the last 24 months for a total of $976,540.65 sold. 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Insiders Pile Into These 3 Healthcare StocksInsiders Trade Millions in NVIDIA-Linked Navitas, Hims, & Shift45 Stocks Insiders Are Selling That Analysts Say Buy This page (NYSE:NPKI) was last updated on 8/31/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...Goldco Precious Metals | SponsoredThis is my Christian duty“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 tril...Paradigm Press | SponsoredEveryone’s watching Nvidia right now. 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