WallStreetZenWallStreetZen

NYSE: NPKI
Npk International Inc Stock Ownership - Who owns Npk International?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Npk International Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Matthew James WarrenCAO2026-09-092,991$13.41
$40.11kSell
Rose M. RobesonDirector2026-08-2710,000$13.49
$134.92kSell
Michael A. LewisDirector2026-08-172,013$14.26
$28.71kSell
Lori BriggsVP President Ind. Solutions2026-06-088,325$14.75
$122.79kSell
Matthew LaniganPresident CEO2026-06-03167,375$14.43
$2.42MSell
Lori BriggsVP President Ind. Solutions2026-06-0210,446$14.58
$152.28kSell
Lori BriggsVP President Ind. Solutions2026-06-019,577$14.31
$137.05kSell
Lori BriggsVP President Ind. Solutions2026-06-016,777$14.31
$96.98kSell
Gregg PiontekSenior Vice President and CFO2026-06-0111,241$14.31
$160.86kSell
Mary Celeste FrugeVP General Counsel2026-06-013,833$14.31
$54.85kSell

1 of 4

NPKI insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when NPKI insiders and whales buy or sell their stock.

NPKI Shareholders

What type of owners hold Npk International Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Paul L. Howes1.53%1,286,325$12.03MInsider
Matthew Lanigan1.22%1,024,948$9.58MInsider
Gregg Piontek1.17%978,182$9.15MInsider
James D. Cole1.15%965,411$9.03MInsider
Alan J. Kaufman1.11%931,892$8.71MInsider
Alan Joseph Kaufman1.10%920,292$8.60MInsider
Bruce Campbell Smith0.47%397,267$3.71MInsider
Mark J. Airola0.46%387,868$3.63MInsider
David A. Paterson0.46%386,245$3.61MInsider
Donald Win Young0.37%310,940$2.91MInsider

1 of 3

NPKI vs Building Product & Equipment Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
NPKI0.09%14.08%Net SellingNet Selling
JBI0.09%13.35%Net SellingNet Selling
SWIM0.04%99.96%Net SellingNet Buying
APOG0.09%12.08%Net BuyingNet Selling
NX0.10%14.38%Net Selling
View Top Building Product & Equipment Stocks

Npk International Stock Ownership FAQ

Who owns Npk International?

Npk International (NYSE: NPKI) is owned by 0.09% institutional shareholders, 14.08% Npk International insiders, and 85.83% retail investors. Paul L. Howes is the largest individual Npk International shareholder, owning 1.29M shares representing 1.53% of the company. Paul L. Howes's Npk International shares are currently valued at $11.78M.

If you're new to stock investing, here's how to buy Npk International stock.
©2026 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.