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CLB Insider Trading

Insider Ownership Percentage: 1.26%
Insider Buying (Last 12 Months): $53,900.00
Insider Selling (Last 12 Months): $0.00

Core Laboratories Insider Trading History Chart

This chart shows the insider buying and selling history at Core Laboratories by year and by quarter.

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Core Laboratories Share Price & Price History

Current Price: $11.19
Price Change: ▲ Price Increase of +0.475 (4.44%)
As of 08/4/2026 12:12 PM ET

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

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Days: 30 | 90 | 365

Core Laboratories Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
7/31/2026Lawrence BrunoCEOBuy5,000$10.78$53,900.00262,438View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Core Laboratories (NYSE:CLB)

97.81% of Core Laboratories 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 CLB by year and by quarter.

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Core Laboratories Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/3/2026Oppenheimer Asset Management Inc.47,664$0.56M0.0%N/A0.104%Search for SEC Filing on Google Icon
7/7/2026GAMMA Investing LLC4,820$56K0.0%-24.0%0.010%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE224,618$3.77M0.0%+59.6%0.487%Search for SEC Filing on Google Icon
5/19/2026Arkadios Wealth Advisors18,476$0.31M0.0%-10.8%0.040%Search for SEC Filing on Google Icon
5/18/2026Amundi31,857$0.54M0.0%+63.0%0.069%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company 12,819$0.22M0.0%-9.3%0.028%Search for SEC Filing on Google Icon
5/14/2026Renaissance Technologies LLC50,603$0.85M0.0%-72.4%0.110%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.16,843$0.28M0.0%-25.6%0.037%Search for SEC Filing on Google Icon
5/14/2026Lido Advisors LLC37,846$0.64M0.0%-7.8%0.082%Search for SEC Filing on Google Icon
5/14/2026State of Wyoming4,626$78K0.0%+267.7%0.010%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP1,352,329$22.71M0.0%+10.0%2.934%Search for SEC Filing on Google Icon
5/7/2026Heartland Advisors Inc.150,000$2.52M0.1%N/A0.325%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp403,084$6.77M0.0%-2.1%0.875%Search for SEC Filing on Google Icon
5/5/2026Illinois Municipal Retirement Fund25,642$0.43M0.0%+12.9%0.056%Search for SEC Filing on Google Icon
5/4/2026Principal Financial Group Inc.271,821$4.56M0.0%-7.4%0.590%Search for SEC Filing on Google Icon
5/1/2026Fifth Third Bancorp11,414$0.19M0.0%+2,397.6%0.025%Search for SEC Filing on Google Icon
5/1/2026Kornitzer Capital Management Inc. KS24,775$0.42M0.0%-8.2%0.054%Search for SEC Filing on Google Icon
4/30/2026Summit Securities Group LLC1,872$31K0.0%N/A0.004%Search for SEC Filing on Google Icon
4/30/2026Isthmus Partners LLC14,509$0.24M0.0%+16.2%0.032%Search for SEC Filing on Google Icon
4/27/2026New York State Teachers Retirement System7,703$0.13M0.0%-61.1%0.017%Search for SEC Filing on Google Icon
4/22/2026Sterling Capital Management LLC1,556$26K0.0%-42.5%0.003%Search for SEC Filing on Google Icon
4/21/2026Louisiana State Employees Retirement System20,600$0.35M0.0%N/A0.045%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC11,851$0.20M0.0%-28.3%0.026%Search for SEC Filing on Google Icon
3/9/2026Corient Private Wealth LLC13,639$0.22M0.0%N/A0.029%Search for SEC Filing on Google Icon
2/19/2026T. Rowe Price Investment Management Inc.1,042,208$16.71M0.0%+14.8%2.238%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.204,194$3.27M0.0%-4.8%0.439%Search for SEC Filing on Google Icon
2/19/2026Corient Private Wealth LLC13,500$0.22M0.0%N/A0.029%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury10,601$0.17M0.0%-7.3%0.023%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd54,273$0.87M0.0%+110.9%0.117%Search for SEC Filing on Google Icon
2/18/2026Old West Investment Management LLC38,223$0.61M0.1%N/A0.082%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC14,405$0.23M0.0%-92.6%0.031%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC49,818$0.80M0.0%+32.6%0.107%Search for SEC Filing on Google Icon
2/17/2026MAC Alpha Capital Management LP312,928$5.02M2.8%N/A0.672%Search for SEC Filing on Google Icon
2/17/2026Trexquant Investment LP53,831$0.86M0.0%-78.1%0.116%Search for SEC Filing on Google Icon
2/17/2026Amundi19,545$0.31M0.0%+39.9%0.042%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD48,920$0.79M0.0%+12.9%0.105%Search for SEC Filing on Google Icon
2/17/2026T. Rowe Price Investment Management Inc.938,904$15.05M0.0%+3.4%2.017%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.155,496$2.49M0.0%-36.6%0.334%Search for SEC Filing on Google Icon
2/17/2026Captrust Financial Advisors31,767$0.51M0.0%-13.3%0.068%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada3,867$62K0.0%-95.0%0.008%Search for SEC Filing on Google Icon
2/17/2026Aster Capital Management DIFC Ltd2,098$34K0.0%N/A0.005%Search for SEC Filing on Google Icon
2/17/2026Rice Hall James & Associates LLC99,293$1.59M0.1%-18.2%0.213%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC30,514$0.49M0.0%+93.6%0.066%Search for SEC Filing on Google Icon
2/16/2026Panagora Asset Management Inc.11,366$0.18M0.0%N/A0.024%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC73,246$1.17M0.0%+9.5%0.157%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 14,126$0.23M0.0%-14.7%0.030%Search for SEC Filing on Google Icon
2/13/2026Archon Capital Management LLC117,252$1.88M1.1%N/A0.252%Search for SEC Filing on Google Icon
2/13/2026Gendell Jeffrey L648,460$10.40M0.2%+13.9%1.393%Search for SEC Filing on Google Icon
2/13/2026Public Sector Pension Investment Board161,149$2.58M0.0%-11.9%0.346%Search for SEC Filing on Google Icon
2/13/2026Arkadios Wealth Advisors20,718$0.33M0.0%-58.0%0.044%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.737,550$11.82M0.0%+12.2%1.584%Search for SEC Filing on Google Icon
2/13/2026State Street Corp2,041,740$32.73M0.0%+3.3%4.385%Search for SEC Filing on Google Icon
2/13/2026Van ECK Associates Corp352,023$5.64M0.0%+16.2%0.756%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC95,198$1.53M0.0%-7.7%0.204%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN218,773$3.51M0.0%-15.8%0.470%Search for SEC Filing on Google Icon
2/13/2026Platinum Investment Management Ltd.4,196$67K0.0%-82.3%0.009%Search for SEC Filing on Google Icon
2/12/2026HRT Financial LP126,056$2.02M0.0%-63.9%0.271%Search for SEC Filing on Google Icon
2/12/2026Brooklyn Investment Group11,226$0.18M0.0%-68.9%0.024%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC183,400$2.94M0.0%+436.6%0.394%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP1,229,611$19.71M0.0%+10.7%2.641%Search for SEC Filing on Google Icon
2/12/2026Campbell & CO Investment Adviser LLC20,479$0.33M0.0%+33.3%0.044%Search for SEC Filing on Google Icon
2/12/2026Earnest Partners LLC3,221,043$51.63M0.2%-6.0%6.918%Search for SEC Filing on Google Icon
2/12/2026Swiss National Bank92,500$1.48M0.0%+3.7%0.199%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC153,515$2.46M0.0%-1.2%0.330%Search for SEC Filing on Google Icon
2/11/2026LPL Financial LLC12,390$0.20M0.0%-25.2%0.027%Search for SEC Filing on Google Icon
2/11/2026Franklin Resources Inc.10,938$0.18M0.0%-43.5%0.023%Search for SEC Filing on Google Icon
2/10/2026Lido Advisors LLC41,030$0.66M0.0%-8.4%0.088%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.845,251$13.55M0.0%+185.0%1.815%Search for SEC Filing on Google Icon
2/10/2026Moors & Cabot Inc.61,842$0.99M0.0%-15.8%0.133%Search for SEC Filing on Google Icon
2/10/2026Intech Investment Management LLC21,088$0.34M0.0%-52.6%0.045%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC1,114,935$17.88M0.0%+0.8%2.395%Search for SEC Filing on Google Icon
2/9/2026Terril Brothers Inc.18,975$0.30M0.1%N/A0.041%Search for SEC Filing on Google Icon
2/9/2026Royce & Associates LP206,716$3.31M0.0%-53.1%0.444%Search for SEC Filing on Google Icon
2/9/2026Fisher Asset Management LLC774,979$12.42M0.0%-6.0%1.664%Search for SEC Filing on Google Icon
2/9/2026Hantz Financial Services Inc.3,177$51K0.0%+124.7%0.007%Search for SEC Filing on Google Icon
2/5/2026Abacus Wealth Partners LLC14,513$0.23M0.0%N/A0.031%Search for SEC Filing on Google Icon
2/4/2026Argos Wealth Advisors LLC16,119$0.26M0.1%N/A0.035%Search for SEC Filing on Google Icon
2/4/2026Pacific Ridge Capital Partners LLC44,423$0.71M0.2%+4.7%0.095%Search for SEC Filing on Google Icon
2/4/2026Swiss Life Asset Management Ltd11,999$0.19M0.0%N/A0.026%Search for SEC Filing on Google Icon
2/3/2026Connable Office Inc.15,760$0.25M0.0%N/A0.034%Search for SEC Filing on Google Icon
2/2/2026Kornitzer Capital Management Inc. KS26,975$0.43M0.0%-13.4%0.058%Search for SEC Filing on Google Icon
2/2/2026Oppenheimer Asset Management Inc.42,475$0.68M0.0%-22.6%0.091%Search for SEC Filing on Google Icon
1/29/2026Comerica Bank11,181$0.18M0.0%-19.1%0.024%Search for SEC Filing on Google Icon
1/29/2026Cornerstone Investment Partners LLC11,381$0.18M0.0%N/A0.024%Search for SEC Filing on Google Icon
1/29/2026UBS Group AG412,515$6.61M0.0%+32.9%0.886%Search for SEC Filing on Google Icon
1/29/2026Teachers Retirement System of The State of Kentucky11,713$0.19M0.0%-12.2%0.025%Search for SEC Filing on Google Icon
1/29/2026Vanguard Group Inc.3,079,882$49.37M0.0%+1.1%6.615%Search for SEC Filing on Google Icon
1/28/2026Arizona State Retirement System12,961$0.21M0.0%-6.6%0.028%Search for SEC Filing on Google Icon
1/28/2026Universal Beteiligungs und Servicegesellschaft mbH19,604$0.31M0.0%N/A0.042%Search for SEC Filing on Google Icon
1/26/2026CWM LLC2,516$40K0.0%+36.1%0.005%Search for SEC Filing on Google Icon
1/23/2026Farther Finance Advisors LLC9,945$0.16M0.0%+154.2%0.021%Search for SEC Filing on Google Icon
1/21/2026Yousif Capital Management LLC12,316$0.20M0.0%-14.6%0.026%Search for SEC Filing on Google Icon
1/9/2026SG Americas Securities LLC16,525$0.27M0.0%N/A0.035%Search for SEC Filing on Google Icon
1/7/2026CWA Asset Management Group LLC622,453$9.98M0.4%N/A1.337%Search for SEC Filing on Google Icon
1/5/2026GAMMA Investing LLC5,157$83K0.0%+73.3%0.011%Search for SEC Filing on Google Icon
1/1/2026JPMorgan Chase & Co.22,165$0.27M0.0%-13.9%0.048%Search for SEC Filing on Google Icon
11/17/2025PharVision Advisers LLC17,676$0.22M0.1%N/A0.038%Search for SEC Filing on Google Icon
11/17/2025Susquehanna International Group LLP50,782$0.63M0.0%-39.8%0.109%Search for SEC Filing on Google Icon
11/17/2025Quantessence Capital LLC15,560$0.19M0.1%N/A0.033%Search for SEC Filing on Google Icon
11/17/2025Quarry LP2,953$36K0.0%+118.1%0.006%Search for SEC Filing on Google Icon
Data available starting January 2016

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Core Laboratories logo
Core Laboratories Inc. provides reservoir description and production enhancement services and products to the oil and gas industry in the United States, and internationally. It operates through Reservoir Description and Production Enhancement segments. The Reservoir Description segment includes the characterization of petroleum reservoir rock and reservoir fluid samples to enhance production and improve recovery of crude oil and gas from its clients' reservoirs. It offers laboratory-based analytical and field services to characterize properties of crude oil and oil delivered products; and proprietary and joint industry studies, as well as services that support carbon capture, utilization and storage, geothermal projects, and the evaluation and appraisal of mining activities. The Production Enhancement segment provides services and products relating to reservoir well completions, perforations, stimulations, production, and well abandonment. It offers integrated diagnostic services to evaluate and monitor the effectiveness of well completions and to develop solutions to improve the effectiveness of enhanced oil recovery projects. The company markets and sells its products through a combination of sales representatives, technical seminars, trade shows, and print advertising, as well as through distributors. Core Laboratories Inc. was founded in 1936 and is based in Houston, Texas.
Read More on Core Laboratories

Today's Range

Now: $11.19
Low: $10.32
High: $11.17

50 Day Range

MA: $11.94
Low: $9.87
High: $14.52

52 Week Range

Now: $11.19
Low: $9.72
High: $20.36

Volume

223,834 shs

Average Volume

592,491 shs

Market Capitalization

$515.59 million

P/E Ratio

19.96

Dividend Yield

0.39%

Beta

1

Who are the company insiders with the largest holdings of Core Laboratories?

Core Laboratories' top insider shareholders include:
  1. Lawrence Bruno (CEO)
  2. Richard Bergmark (CFO)
  3. Mark Elvig (VP)
  4. Gregory Barry Barnett (Director)
  5. Michael Kearney (Director)
  6. Lawrence Bruno (COO)
  7. Jan Willem Sodderland (Director)
  8. Kevin Daniels (CAO)
  9. Martha Z Carnes (Director)
  10. Michael Straughen (Director)
Learn More about top insider investors at Core Laboratories.

Who are the major institutional investors of Core Laboratories?

Core Laboratories' top institutional shareholders include:
  1. Oppenheimer Asset Management Inc. — 0.10%
  2. GAMMA Investing LLC — 0.01%
Learn More about top institutional investors of Core Laboratories stock.

Which major investors are selling Core Laboratories stock?

In the last quarter, CLB stock was sold by these institutional investors:
  1. GAMMA Investing LLC

Which major investors are buying Core Laboratories stock?

Within the last quarter, CLB stock was acquired by institutional investors including:
  1. Oppenheimer Asset Management Inc.

Core Laboratories Active Insiders

Lawrence Bruno
Lawrence Bruno (Age 66)
CEO
1 recent trades