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NPKI Insider Trading

Insider Ownership Percentage: 4.90%
Insider Buying (Last 12 Months): $153,800.00
Insider Selling (Last 12 Months): $1,011,076.65

NPK International Insider Trading History Chart

This chart shows the insider buying and selling history at NPK International by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

NPK International Share Price & Price History

Current Price: $14.46
Price Change: ▲ Price Increase of +0.07 (0.49%)
As of 02/24/2026 04:59 PM ET

This chart shows the closing price history over time for NPKI up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

NPK International Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/24/2025Michael A. LewisDirectorSell2,013$12.00$24,156.00133,346View SEC Filing Icon  
9/3/2025Matthew LaniganCEOSell1,000$10.38$10,380.001,095,913View SEC Filing Icon  
8/25/2025Michael A. LewisDirectorSell2,013$10.33$20,794.29135,359View SEC Filing Icon  
8/22/2025Matthew LaniganCEOSell68,896$10.34$712,384.641,095,913View SEC Filing Icon  
8/11/2025Lori BriggsVPSell8,005$9.51$76,127.55252,621View SEC Filing Icon  
7/9/2025Lori BriggsVPSell8,005$8.57$68,602.85260,626View SEC Filing Icon  
6/16/2025Michael A. LewisDirectorSell2,013$8.60$17,311.80137,372View SEC Filing Icon  
6/6/2025Lori BriggsVPSell9,704$8.38$81,319.52268,631View SEC Filing Icon  
5/8/2025Joseph A CutilloDirectorBuy12,500$8.00$100,000.0012,500View SEC Filing Icon  
3/5/2025John C MingeDirectorBuy10,000$5.38$53,800.00230,287View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for NPK International (NYSE:NPKI)

80.81% of NPK International stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at NPKI by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

NPK International Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/18/2026Mercer Global Advisors Inc. ADV24,363$0.29M0.0%+6.5%0.029%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC375,623$4.48M0.0%-14.6%0.445%Search for SEC Filing on Google Icon
2/18/2026Zacks Investment Management31,194$0.37M0.0%-17.6%0.037%Search for SEC Filing on Google Icon
2/18/2026nVerses Capital LLC12,274$0.15M0.3%N/A0.015%Search for SEC Filing on Google Icon
2/18/2026Uniplan Investment Counsel Inc.536,108$6.39M1.8%-4.7%0.634%Search for SEC Filing on Google Icon
2/18/2026Voloridge Investment Management LLC83,245$0.99M0.0%N/A0.099%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP506,597$6.04M0.0%-23.4%0.600%Search for SEC Filing on Google Icon
2/18/2026Tudor Investment Corp ET AL224,475$2.68M0.0%-55.7%0.266%Search for SEC Filing on Google Icon
2/18/2026Susquehanna Fundamental Investments LLC39,043$0.47M0.0%+146.4%0.046%Search for SEC Filing on Google Icon
2/18/2026Oxford Asset Management LLP15,035$0.18M0.1%N/A0.018%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC106,487$1.27M0.0%-36.3%0.126%Search for SEC Filing on Google Icon
2/18/2026Man Group plc63,327$0.76M0.0%N/A0.075%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP102,979$1.23M0.0%+505.4%0.122%Search for SEC Filing on Google Icon
2/18/2026Balyasny Asset Management L.P.109,824$1.31M0.0%N/A0.130%Search for SEC Filing on Google Icon
2/18/2026Boothbay Fund Management LLC69,290$0.83M0.0%+7.1%0.082%Search for SEC Filing on Google Icon
2/18/2026Bridgeway Capital Management LLC625,623$7.46M0.2%-9.3%0.740%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC174,503$2.08M0.0%+35.8%0.207%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers20,997$0.25M0.0%-7.1%0.025%Search for SEC Filing on Google Icon
2/17/2026Northeast Financial Group Inc.65,902$0.79M0.2%-1.4%0.078%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC237,222$2.83M0.0%N/A0.281%Search for SEC Filing on Google Icon
2/17/2026Pennant Select LLC1,014,221$12.09M6.4%-4.5%1.200%Search for SEC Filing on Google Icon
2/17/2026ArrowMark Colorado Holdings LLC977,963$11.66M0.3%-6.6%1.157%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC239,259$2.85M0.0%+9.8%0.283%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD61,736$0.74M0.0%+5.4%0.073%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System80,829$0.96M0.0%+6.6%0.096%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.1,880,927$22.42M0.0%-2.7%2.226%Search for SEC Filing on Google Icon
2/17/2026Punch & Associates Investment Management Inc.1,852,804$22.09M1.3%-2.2%2.193%Search for SEC Filing on Google Icon
2/17/2026Granahan Investment Management LLC580,447$6.92M0.3%+16.1%0.687%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board93,891$1.12M0.0%+7.2%0.111%Search for SEC Filing on Google Icon
2/17/2026Graham Capital Management L.P.45,768$0.55M0.0%+24.6%0.054%Search for SEC Filing on Google Icon
2/17/2026Magnetar Financial LLC32,027$0.38M0.0%N/A0.038%Search for SEC Filing on Google Icon
2/17/2026Rothschild Wealth LLC138,500$1.65M0.2%N/A0.164%Search for SEC Filing on Google Icon
2/17/2026Rice Hall James & Associates LLC549,721$6.55M0.4%-4.2%0.651%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC58,656$0.70M0.0%+229.4%0.069%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC175,974$2.10M0.0%+170.6%0.208%Search for SEC Filing on Google Icon
2/16/2026Panagora Asset Management Inc.669,303$7.98M0.0%-2.0%0.792%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC10,664$0.13M0.0%N/A0.013%Search for SEC Filing on Google Icon
2/16/2026Kennedy Capital Management LLC184,290$2.20M0.0%-0.6%0.218%Search for SEC Filing on Google Icon
2/16/2026Landscape Capital Management L.L.C.11,015$0.13M0.0%N/A0.013%Search for SEC Filing on Google Icon
2/16/2026Arax Advisory Partners10,350$0.12M0.0%-10.0%0.012%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC141,582$1.69M0.0%+27.5%0.168%Search for SEC Filing on Google Icon
2/13/2026Kestra Advisory Services LLC3,350$40K0.0%N/A0.004%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 24,929$0.30M0.0%-8.4%0.030%Search for SEC Filing on Google Icon
2/13/2026CANADA LIFE ASSURANCE Co9,596$0.11M0.0%-87.7%0.011%Search for SEC Filing on Google Icon
2/13/2026Jacobs Levy Equity Management Inc.477,318$5.69M0.0%-3.1%0.565%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.1,163,775$13.87M0.0%+9.1%1.377%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey20,304$0.24M0.0%-12.1%0.024%Search for SEC Filing on Google Icon
2/13/2026State Street Corp1,977,000$23.57M0.0%-2.7%2.340%Search for SEC Filing on Google Icon
2/13/2026Boston Partners52,536$0.63M0.0%-30.5%0.062%Search for SEC Filing on Google Icon
2/13/2026Caitong International Asset Management Co. Ltd2,146$26K0.1%+26,725.0%0.003%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC127,511$1.52M0.0%+2.7%0.151%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN102,735$1.23M0.0%+46.9%0.122%Search for SEC Filing on Google Icon
2/12/2026Wasatch Advisors LP2,215,905$26.41M0.2%-2.9%2.622%Search for SEC Filing on Google Icon
2/12/2026Jane Street Group LLC324,117$3.86M0.0%-23.0%0.384%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC45,353$0.54M0.0%+3.4%0.054%Search for SEC Filing on Google Icon
2/12/2026Paragon Associates & Paragon Associates II Joint Venture400,000$4.77M9.9%-11.1%0.473%Search for SEC Filing on Google Icon
2/12/2026Aristides Capital LLC15,754$0.19M0.0%N/A0.019%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC519,308$6.19M0.0%-8.6%0.615%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP4,466,550$53.24M0.0%-6.9%5.286%Search for SEC Filing on Google Icon
2/12/2026Counterpoint Mutual Funds LLC19,965$0.24M0.0%-46.4%0.024%Search for SEC Filing on Google Icon
2/12/2026EntryPoint Capital LLC28,038$0.33M0.1%N/A0.033%Search for SEC Filing on Google Icon
2/12/2026Campbell & CO Investment Adviser LLC86,909$1.04M0.0%+22.4%0.103%Search for SEC Filing on Google Icon
2/12/2026Loomis Sayles & Co. L P1,287,030$15.34M0.0%-3.5%1.523%Search for SEC Filing on Google Icon
2/12/2026Riverwater Partners LLC157,876$1.88M0.7%+306.6%0.187%Search for SEC Filing on Google Icon
2/12/2026Swiss National Bank166,600$1.99M0.0%+6.1%0.197%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC1,118,057$13.33M0.0%+114.6%1.323%Search for SEC Filing on Google Icon
2/11/2026Empowered Funds LLC375,623$4.48M0.0%-14.6%0.445%Search for SEC Filing on Google Icon
2/11/2026GWN Securities Inc.26,697$0.32M0.1%+50.9%0.032%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG69,654$0.83M0.0%+7.9%0.082%Search for SEC Filing on Google Icon
2/11/2026Franklin Resources Inc.104,735$1.25M0.0%-3.5%0.124%Search for SEC Filing on Google Icon
2/11/2026O Shaughnessy Asset Management LLC46,681$0.56M0.0%+184.8%0.055%Search for SEC Filing on Google Icon
2/11/2026Los Angeles Capital Management LLC4,175$50K0.0%N/A0.005%Search for SEC Filing on Google Icon
2/11/2026State of Wyoming25,225$0.30M0.0%-27.7%0.030%Search for SEC Filing on Google Icon
2/10/20261492 Capital Management LLC177,663$2.12M0.8%+3.8%0.210%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.702,994$8.38M0.0%+41.0%0.832%Search for SEC Filing on Google Icon
2/10/2026Tieton Capital Management LLC800,562$9.54M3.3%-21.0%0.947%Search for SEC Filing on Google Icon
2/10/2026Savant Capital LLC33,887$0.40M0.0%-2.7%0.040%Search for SEC Filing on Google Icon
2/10/2026Intech Investment Management LLC41,732$0.50M0.0%-12.2%0.049%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC1,977,755$23.58M0.0%-14.8%2.341%Search for SEC Filing on Google Icon
2/9/2026Jackson Creek Investment Advisors LLC35,141$0.42M0.1%-82.5%0.042%Search for SEC Filing on Google Icon
2/9/2026Royce & Associates LP2,185,610$26.05M0.3%-10.5%2.587%Search for SEC Filing on Google Icon
2/9/2026Fisher Asset Management LLC231,971$2.77M0.0%-3.1%0.275%Search for SEC Filing on Google Icon
2/9/2026MQS Management LLC11,971$0.14M0.1%N/A0.014%Search for SEC Filing on Google Icon
2/6/2026GSA Capital Partners LLP114,858$1.37M0.1%N/A0.136%Search for SEC Filing on Google Icon
2/6/2026ProShare Advisors LLC14,970$0.18M0.0%+11.5%0.018%Search for SEC Filing on Google Icon
2/5/2026ARS Investment Partners LLC43,781$0.52M0.0%+30.3%0.052%Search for SEC Filing on Google Icon
2/5/2026Thrivent Financial for Lutherans1,587,729$18.93M0.0%N/A1.879%Search for SEC Filing on Google Icon
2/4/2026Pacific Ridge Capital Partners LLC50,947$0.61M0.1%+4.7%0.060%Search for SEC Filing on Google Icon
2/4/2026Bailard Inc.18,444$0.22M0.0%N/A0.022%Search for SEC Filing on Google Icon
2/4/2026First Eagle Investment Management LLC265,321$3.16M0.0%-2.5%0.314%Search for SEC Filing on Google Icon
2/4/202649 Wealth Management LLC10,069$0.12M0.0%-61.1%0.012%Search for SEC Filing on Google Icon
2/2/2026Pinnacle Wealth Management Advisory Group LLC29,508$0.35M0.0%+133.1%0.035%Search for SEC Filing on Google Icon
2/2/2026Strs Ohio55,600$0.66M0.0%-9.7%0.066%Search for SEC Filing on Google Icon
2/2/2026Oppenheimer Asset Management Inc.28,140$0.34M0.0%-12.6%0.033%Search for SEC Filing on Google Icon
1/30/2026Skylands Capital LLC169,700$2.02M0.3%-7.8%0.201%Search for SEC Filing on Google Icon
1/30/2026R Squared Ltd10,642$0.13M0.1%N/A0.013%Search for SEC Filing on Google Icon
1/30/2026M&T Bank Corp12,052$0.14M0.0%N/A0.014%Search for SEC Filing on Google Icon
1/29/2026Ashton Thomas Private Wealth LLC17,314$0.21M0.0%N/A0.020%Search for SEC Filing on Google Icon
1/29/2026Pictet Asset Management Holding SA15,692$0.19M0.0%-20.0%0.019%Search for SEC Filing on Google Icon
1/29/2026UBS Group AG288,385$3.44M0.0%+14.1%0.341%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
NPK International logo
NPK International Inc. provides products, rentals, and services primarily to the oil and natural gas exploration and production (E&P) industry. It operates through two segments, Fluids Systems and Industrial Solutions. The Fluids Systems segment provides drilling, completion, and stimulation fluids products and related technical services to customers primarily in the North America, Europe, the Middle East, and Africa, as well as other countries in the Asia Pacific and Latin America. The Industrial Solutions segment offers composite matting system rentals utilized for temporary worksite access; related site construction and services to customers in various markets, including power transmission, E&P, pipeline, renewable energy, petrochemical, construction, and other industries primarily in the United States and Europe; recyclable composite mats to customers worldwide; and access road construction, site planning and preparation, environmental protection, erosion control, and site restoration services. The company was formerly known as Newpark Resources, Inc. and changed its name to NPK International Inc. in December 2024. The company was incorporated in 1932 and is headquartered in The Woodlands, Texas.
Read More on NPK International

Today's Range

Now: $14.46
Low: $14.18
High: $14.58

50 Day Range

MA: $13.35
Low: $11.90
High: $14.64

52 Week Range

Now: $14.46
Low: $4.76
High: $15.05

Volume

465,435 shs

Average Volume

651,301 shs

Market Capitalization

$1.22 billion

P/E Ratio

38.05

Dividend Yield

N/A

Beta

1.29

Who are the company insiders with the largest holdings of NPK International?

NPK International's top insider investors include:
  1. Matthew Lanigan (CEO)
  2. Lori Briggs (VP)
  3. John C Minge (Director)
  4. Michael A Lewis (Director)
  5. Joseph A Cutillo (Director)
Learn More about top insider investors at NPK International.

Who are the major institutional investors of NPK International?

NPK International's top institutional shareholders include:
  1. Vanguard Group Inc. — 5.57%
  2. Dimensional Fund Advisors LP — 5.29%
  3. Wasatch Advisors LP — 2.62%
  4. Royce & Associates LP — 2.59%
  5. Geode Capital Management LLC — 2.34%
  6. State Street Corp — 2.34%
Learn More about top institutional investors of NPK International stock.

Which institutional investors are selling NPK International stock?

During the previous quarter, NPKI stock was sold by these institutional investors:
  1. Geode Capital Management LLC
  2. Dimensional Fund Advisors LP
  3. Tudor Investment Corp ET AL
  4. Royce & Associates LP
  5. Tieton Capital Management LLC
  6. Jackson Creek Investment Advisors LLC
  7. Wellington Management Group LLP
  8. Jane Street Group LLC
Within the previous year, company insiders that have sold NPK International company stock include:
  1. Matthew Lanigan (CEO)
  2. Lori Briggs (VP)
  3. John C Minge (Director)
Learn More investors selling NPK International stock.

Which institutional investors are buying NPK International stock?

During the previous quarter, NPKI stock was acquired by institutional investors including:
  1. Thrivent Financial for Lutherans
  2. Nuveen LLC
  3. Lazard Asset Management LLC
  4. Goldman Sachs Group Inc.
  5. Rothschild Wealth LLC
  6. Riverwater Partners LLC
  7. GSA Capital Partners LLP
  8. Verition Fund Management LLC
During the last year, these company insiders have bought NPK International stock:
  1. Matthew Lanigan (CEO)
  2. Lori Briggs (VP)
Learn More investors buying NPK International stock.