CRL Insider Trading

Insider Ownership Percentage: 1.30%
Insider Buying (Last 12 Months): $2,974.30
Insider Selling (Last 12 Months): $52,066,215.78

Charles River Laboratories International Insider Trading History Chart

This chart shows the insider buying and selling history at Charles River Laboratories International by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Charles River Laboratories International Share Price & Price History

Current Price: $337.91
Price Change: ▲ Price Increase of +24.889 (7.95%)
As of 11/6/2026 03:59 PM ET

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

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

Charles River Laboratories International Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
10/22/2026James C FosterDirectorSell24,042$350.00$8,414,700.0031,596View SEC Filing Icon  
10/21/2026Shannon M. ParisottoEVPSell2,156$344.41$742,547.964,807View SEC Filing Icon  
10/5/2026Shannon M. ParisottoEVPSell981$308.44$302,579.644,807View SEC Filing Icon  
9/30/2026Glenn ColemanCFOBuy10$297.43$2,974.3027,762View SEC Filing Icon  
8/25/2026James C FosterDirectorSell33,561$300.00$10,068,300.0031,596View SEC Filing Icon  
8/19/2026Shannon M. ParisottoEVPSell2,039$294.12$599,710.684,807View SEC Filing Icon  
8/18/2026Nancy C AndrewsDirectorSell573$285.24$163,442.521,438View SEC Filing Icon  
8/11/2026Birgit GirshickCEOSell6,500$279.90$1,819,350.0036,013View SEC Filing Icon  
8/11/2026Shannon M. ParisottoEVPSell3,714$279.66$1,038,657.244,807View SEC Filing Icon  
8/10/2026James C FosterDirectorSell28,733$275.00$7,901,575.0031,596View SEC Filing Icon  
8/6/2026Michael Gunnar KnellCAOSell6,645$260.38$1,730,225.1011,852View SEC Filing Icon  
8/6/2026Victoria L CreamerEVPSell4,179$259.16$1,083,029.6430,051View SEC Filing Icon  
8/5/2026Shannon M. ParisottoEVPSell5,046$263.00$1,327,098.004,807View SEC Filing Icon  
6/29/2026James C FosterDirectorSell75,000$225.00$16,875,000.0031,596View SEC Filing Icon  
8/22/2025Joseph W. LaPlumeEVPSell400$163.72$65,488.0023,716View SEC Filing Icon  
8/18/2025Joseph W. LaPlumeEVPSell800$157.60$126,080.0024,116View SEC Filing Icon  
8/7/2025Joseph W. LaPlumeEVPSell400$150.04$60,016.0024,916View SEC Filing Icon  
5/14/2025George MassaroDirectorSell140$140.73$19,702.205,715View SEC Filing Icon  
5/13/2025Joseph W. LaPlumeEVPSell500$145.41$72,705.0019,513View SEC Filing Icon  
2/20/2025Birgit GirshickCOOBuy1,514$164.63$249,249.8255,058View SEC Filing Icon  
2/20/2025James C FosterCEOBuy6,075$165.01$1,002,435.75183,639View SEC Filing Icon  
2/20/2025Joseph W. LaPlumeEVPSell4,400$162.50$715,000.0020,013View SEC Filing Icon  
11/7/2024Richard F. WallmanDirectorSell6,621$216.12$1,430,930.5212,386View SEC Filing Icon  
5/10/2024Joseph W. LaPlumeEVPSell1,304$226.97$295,968.8823,276View SEC Filing Icon  
2/29/2024Victoria L CreamerEVPSell5,000$253.70$1,268,500.0013,550View SEC Filing Icon  
2/22/2024William D BarboVPSell4,050$248.50$1,006,425.0022,879View SEC Filing Icon  
2/15/2024Shannon M. ParisottoEVPSell5,882$241.20$1,418,738.402,596View SEC Filing Icon  
11/20/2023Birgit GirshickCOOBuy1,322$187.82$248,298.0444,449View SEC Filing Icon  
11/14/2023James C FosterCEOBuy5,620$178.05$1,000,641.00202,643View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Charles River Laboratories International (NYSE:CRL)

98.91% of Charles River Laboratories 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 CRL by year and by quarter.

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

Charles River Laboratories International Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/7/2026Diversified Trust Co5,565$1.64M0.0%+321.9%0.012%Search for SEC Filing on Google Icon
11/6/2026Aberdeen Group plc792,576$233.82M0.2%+483.6%1.660%Search for SEC Filing on Google Icon
11/6/2026Moors & Cabot Inc.1,701$0.50M0.0%-1.7%0.004%Search for SEC Filing on Google Icon
11/6/2026Allworth Financial LP10,096$2.98M0.0%+2,931.8%0.021%Search for SEC Filing on Google Icon
11/6/2026Fisher Asset Management LLC14,376$4.24M0.0%+1,334.7%0.030%Search for SEC Filing on Google Icon
11/6/2026Russell Investments Group Ltd.436,055$128.64M0.1%+457.3%0.913%Search for SEC Filing on Google Icon
11/6/2026Eurizon Capital SGR S.p.A.35,860$10.58M0.0%+6,849.6%0.075%Search for SEC Filing on Google Icon
11/6/2026Fifth Third Bancorp22,112$6.52M0.0%+24.1%0.046%Search for SEC Filing on Google Icon
11/6/2026King Luther Capital Management Corp55,083$16.25M0.1%+2.4%0.115%Search for SEC Filing on Google Icon
11/6/2026New Mexico Educational Retirement Board10,750$3.17M0.1%+330.0%0.023%Search for SEC Filing on Google Icon
11/5/2026Maryland State Retirement & Pension System14,395$4.25M0.1%+440.4%0.030%Search for SEC Filing on Google Icon
11/5/2026Lisanti Capital Growth LLC6,205$1.83M0.5%N/A0.013%Search for SEC Filing on Google Icon
11/5/2026Jefferies Financial Group Inc.10,121$2.99M0.0%-44.6%0.021%Search for SEC Filing on Google Icon
11/5/2026Riverbridge Partners LLC39,529$11.66M0.4%-30.3%0.083%Search for SEC Filing on Google Icon
11/5/2026Illinois Municipal Retirement Fund4,084$1.21M0.0%-42.8%0.009%Search for SEC Filing on Google Icon
11/5/2026Lido Advisors LLC4,085$1.21M0.0%N/A0.009%Search for SEC Filing on Google Icon
11/5/2026Keybank National Association OH5,822$1.72M0.0%-27.3%0.012%Search for SEC Filing on Google Icon
11/4/2026New York Life Investment Management LLC61,506$18.15M0.1%+371.3%0.129%Search for SEC Filing on Google Icon
11/4/2026Van Berkom & Associates Inc.285,107$84.11M3.0%-36.6%0.597%Search for SEC Filing on Google Icon
11/4/2026AlphaCore Capital LLC5,184$1.53M0.0%+222.4%0.011%Search for SEC Filing on Google Icon
11/4/2026Retirement Systems of Alabama136,211$40.18M0.1%+1,246.1%0.285%Search for SEC Filing on Google Icon
11/4/2026Fulcrum Asset Management LLP288$85K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/4/2026Allspring Global Investments Holdings LLC887,518$254.57M0.4%-53.4%1.859%Search for SEC Filing on Google Icon
11/4/2026Brighton Jones LLC6,041$1.78M0.0%+546.1%0.013%Search for SEC Filing on Google Icon
11/3/2026Ethic Inc.11,559$3.41M0.0%+271.3%0.024%Search for SEC Filing on Google Icon
11/3/2026Pictet Asset Management Holding SA9,170$2.71M0.0%-11.5%0.019%Search for SEC Filing on Google Icon
11/3/2026CenterBook Partners LP17,031$5.02M0.2%N/A0.036%Search for SEC Filing on Google Icon
11/3/2026Heritage Family Offices LLP327$96K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/2/2026Pekin Hardy Strauss Inc.1,826$0.54M0.0%-69.6%0.004%Search for SEC Filing on Google Icon
11/2/2026Inscription Capital LLC1,665$0.49M0.1%-50.8%0.003%Search for SEC Filing on Google Icon
11/2/2026Commonwealth Equity Services LLC35,428$10.45M0.0%+733.4%0.074%Search for SEC Filing on Google Icon
10/31/2026Boston Trust Walden Corp251,380$74.16M0.6%-13.0%0.527%Search for SEC Filing on Google Icon
10/31/2026Chicago Partners Investment Group LLC1,885$0.65M0.0%-2.2%0.004%Search for SEC Filing on Google Icon
10/31/2026Richardson Financial Services Inc.192$57K0.0%-24.7%0.000%Search for SEC Filing on Google Icon
10/29/2026Hollow Brook Wealth Management LLC11,021$3.25M0.6%-8.1%0.023%Search for SEC Filing on Google Icon
10/29/2026Virtue Capital Management LLC943$0.28M0.0%N/A0.002%Search for SEC Filing on Google Icon
10/29/2026Sumitomo Mitsui Trust Group Inc.2,869$0.85M0.0%+6.3%0.006%Search for SEC Filing on Google Icon
10/29/2026Mirae Asset Global Investments Co. Ltd.25,082$7.40M0.0%N/A0.053%Search for SEC Filing on Google Icon
10/29/2026Vise Technologies Inc.3,831$1.13M0.0%+58.9%0.008%Search for SEC Filing on Google Icon
10/29/2026MGO One Seven LLC1,256$0.37M0.0%-2.4%0.003%Search for SEC Filing on Google Icon
10/29/2026Avestar Capital LLC1,222$0.36M0.0%N/A0.003%Search for SEC Filing on Google Icon
10/29/2026State of Wyoming954$0.28M0.0%-20.2%0.002%Search for SEC Filing on Google Icon
10/28/2026VIRGINIA RETIREMENT SYSTEMS ET Al11,900$3.51M0.0%-30.0%0.025%Search for SEC Filing on Google Icon
10/28/2026Soltis Investment Advisors LLC830$0.25M0.0%N/A0.002%Search for SEC Filing on Google Icon
10/28/2026Choreo LLC2,165$0.64M0.0%+2.8%0.005%Search for SEC Filing on Google Icon
10/28/2026China Universal Asset Management Co. Ltd.600$0.18M0.0%-40.0%0.000%Search for SEC Filing on Google Icon
10/28/2026Hanseatic Management Services Inc.1,994$0.59M0.4%N/A0.000%Search for SEC Filing on Google Icon
10/28/2026North Dakota State Investment Board1,489$0.44M0.0%+2.7%0.000%Search for SEC Filing on Google Icon
10/27/2026Asset Management One Co. Ltd.2,332$0.69M0.0%+18.0%0.005%Search for SEC Filing on Google Icon
10/26/2026Park Avenue Securities LLC1,521$0.45M0.0%-11.1%0.003%Search for SEC Filing on Google Icon
10/24/2026Apollon Wealth Management LLC5,019$1.48M0.0%N/A0.011%Search for SEC Filing on Google Icon
10/23/2026Signaturefd LLC8,865$2.62M0.0%+563.5%0.019%Search for SEC Filing on Google Icon
10/23/2026Sowell Financial Services LLC797$0.24M0.0%-9.8%0.002%Search for SEC Filing on Google Icon
10/23/2026Evergreen Capital Management LLC8,883$2.62M0.0%N/A0.019%Search for SEC Filing on Google Icon
10/23/2026Lawson Kroeker Investment Management Inc. NE26,634$7.86M2.4%-4.9%0.056%Search for SEC Filing on Google Icon
10/23/2026Sterling Capital Management LLC6,642$1.96M0.0%+350.3%0.014%Search for SEC Filing on Google Icon
10/22/2026Yousif Capital Management LLC43,367$12.79M0.1%+721.8%0.091%Search for SEC Filing on Google Icon
10/22/2026Compass Wealth Management LLC233$69K0.0%N/A0.000%Search for SEC Filing on Google Icon
10/22/2026Investment House LLC9,084$2.68M0.1%-62.2%0.019%Search for SEC Filing on Google Icon
10/22/2026Cardinal Capital Management11,756$3.47M0.4%+4.9%0.025%Search for SEC Filing on Google Icon
10/21/2026Cooke & Bieler LP432,121$127.48M1.9%-42.8%0.905%Search for SEC Filing on Google Icon
10/21/2026Crossmark Global Holdings Inc.12,773$3.77M0.0%+197.3%0.027%Search for SEC Filing on Google Icon
10/21/2026Sowell Financial Services LLC797$0.24M0.0%-9.8%0.002%Search for SEC Filing on Google Icon
10/21/2026Physician Wealth Advisors Inc.98$29K0.0%+127.9%0.000%Search for SEC Filing on Google Icon
10/21/2026Nisa Investment Advisors LLC30,746$9.07M0.0%+150.7%0.064%Search for SEC Filing on Google Icon
10/20/2026Tred Avon Family Wealth LLC818$0.24M0.1%N/A0.002%Search for SEC Filing on Google Icon
10/20/2026Sumitomo Mitsui DS Asset Management Company Ltd66,994$19.76M0.1%+3,726.0%0.140%Search for SEC Filing on Google Icon
10/17/2026IFP Advisors Inc164$48K0.0%+182.8%0.000%Search for SEC Filing on Google Icon
10/16/2026TD Waterhouse Canada Inc.36,706$10.83M0.0%+81,468.9%0.077%Search for SEC Filing on Google Icon
10/16/2026Pension & Wealth Management Advisors Inc.512$0.15M0.0%N/A0.001%Search for SEC Filing on Google Icon
10/16/2026Activest Wealth Management277$82K0.0%+25.9%0.001%Search for SEC Filing on Google Icon
10/15/2026V Square Quantitative Management LLC1,404$0.41M0.0%-10.1%0.003%Search for SEC Filing on Google Icon
10/15/2026Assenagon Asset Management S.A.204,537$59.04M0.0%+230.9%0.428%Search for SEC Filing on Google Icon
10/15/2026State of Alaska Department of Revenue111,781$32.98M0.3%+2,268.2%0.234%Search for SEC Filing on Google Icon
10/15/2026Turtle Creek Wealth Advisors LLC817$0.24M0.0%N/A0.002%Search for SEC Filing on Google Icon
10/15/2026Mather Group LLC.591$0.17M0.0%+657.7%0.001%Search for SEC Filing on Google Icon
10/14/2026Triumph Capital Management1,007$0.30M0.1%+14,285.7%0.002%Search for SEC Filing on Google Icon
10/14/2026Mitchell & Pahl Private Wealth LLC5,635$1.66M0.6%+2.0%0.012%Search for SEC Filing on Google Icon
10/2/2026Versant Capital Management Inc1,878$0.55M0.0%-4.3%0.004%Search for SEC Filing on Google Icon
10/1/2026Confluence Investment Management LLC82,373$24.30M0.4%-10.1%0.173%Search for SEC Filing on Google Icon
9/23/2026QRG Capital Management Inc.2,183$0.50M0.0%+13.2%0.005%Search for SEC Filing on Google Icon
9/10/2026ABS Direct Equity Fund LLC227$51K0.0%-77.3%0.000%Search for SEC Filing on Google Icon
9/9/2026Sequoia Financial Advisors LLC2,805$0.64M0.0%-19.7%0.006%Search for SEC Filing on Google Icon
9/9/2026Tidal Investments LLC6,371$1.45M0.0%+26.5%0.013%Search for SEC Filing on Google Icon
9/9/2026Engineers Gate Manager LP29,267$6.64M0.1%-68.8%0.061%Search for SEC Filing on Google Icon
9/9/2026Integrated Wealth Concepts LLC760$0.17M0.0%N/A0.002%Search for SEC Filing on Google Icon
9/9/2026NewEdge Advisors LLC4,236$0.96M0.0%+32.6%0.009%Search for SEC Filing on Google Icon
9/9/2026Squarepoint Ops LLC13,863$3.14M0.0%+959.9%0.029%Search for SEC Filing on Google Icon
9/8/2026Allworth Financial LP333$75K0.0%-16.8%0.001%Search for SEC Filing on Google Icon
9/8/2026Arizona State Retirement System13,615$3.09M0.0%+0.6%0.029%Search for SEC Filing on Google Icon
9/8/2026Empirical Finance LLC1,469$0.33M0.0%+4.4%0.003%Search for SEC Filing on Google Icon
9/8/2026Nykredit A S1,495$0.34M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/27/2026Corient Private Wealth LP13,579$3.08M0.0%-23.6%0.028%Search for SEC Filing on Google Icon
8/26/2026Amundi412,402$93.53M0.0%-46.7%0.864%Search for SEC Filing on Google Icon
8/26/2026HighTower Advisors LLC3,781$0.86M0.0%+5.7%0.008%Search for SEC Filing on Google Icon
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al17,000$3.86M0.0%N/A0.036%Search for SEC Filing on Google Icon
8/23/2026HB Wealth Management LLC2,539$0.58M0.0%-5.1%0.005%Search for SEC Filing on Google Icon
8/22/2026Raiffeisen Bank International AG6,000$1.35M0.0%+9.1%0.013%Search for SEC Filing on Google Icon
8/22/2026Knollwood Investment Advisory LLC994$0.23M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/22/2026Syon Capital LLC3,547$0.80M0.0%+2.4%0.007%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Charles River Laboratories International logo
Charles River Laboratories International, Inc. provides drug discovery, non-clinical development, and safety testing services in the United States, Europe, Canada, the Asia Pacific, and internationally. It operates through three segments: Research Models and Services (RMS), Discovery and Safety Assessment (DSA), and Manufacturing Solutions (Manufacturing). The RMS segment produces and sells rodents, and purpose-bred rats and mice for use by researchers. This segment also provides a range of services to assist its clients in supporting the use of research models in research and screening pre-clinical drug candidates, including research models, genetically engineered models and services, insourcing solutions, and research animal diagnostic services. The DSA segment offers early and in vivo discovery services for the identification and validation of novel targets, chemical compounds, and antibodies through delivery of preclinical drug and therapeutic candidates ready for safety assessment; and safety assessment services, such as toxicology, pathology, safety pharmacology, bioanalysis, drug metabolism, and pharmacokinetics services. The Manufacturing segment provides in vitro methods for conventional and rapid quality control testing of sterile and non-sterile pharmaceuticals and consumer products. This segment also offers specialized testing of biologics that are outsourced by pharmaceutical and biotechnology companies. It also provides contract vivarium operation services to biopharmaceutical clients. The company was founded in 1947 and is headquartered in Wilmington, Massachusetts.
Read More on Charles River Laboratories International

Today's Range

Now: $337.91
Low: $316.61
High: $339.97

50 Day Range

MA: $305.71
Low: $272.68
High: $376.03

52 Week Range

Now: $337.91
Low: $146.20
High: $379.63

Volume

1,063,729 shs

Average Volume

1,226,030 shs

Market Capitalization

$16.13 billion

P/E Ratio

371.33

Dividend Yield

N/A

Beta

1.36

Who are the company insiders with the largest holdings of Charles River Laboratories International?

Charles River Laboratories International's top insider investors include:
  1. James C Foster (CEO)
  2. James C Foster (Chairman)
  3. James Foster (CEO)
  4. David P Johst (Insider)
  5. James C Foster (CEO)
  6. David P Johst (VP)
  7. David Johst (VP)
  8. Thomas Ackerman (CFO)
  9. Thomas F Ackerman (Insider)
  10. Davide Molho (VP)
Learn More about top insider investors at Charles River Laboratories International.

Who are the major institutional investors of Charles River Laboratories International?

Charles River Laboratories International's top institutional investors include:
  1. Allspring Global Investments Holdings LLC — 1.86%
  2. Cooke & Bieler LP — 0.91%
  3. Van Berkom & Associates Inc. — 0.60%
  4. Boston Trust Walden Corp — 0.53%
  5. Assenagon Asset Management S.A. — 0.43%
  6. Retirement Systems of Alabama — 0.29%
Learn More about top institutional investors of Charles River Laboratories International stock.

Which major investors are selling Charles River Laboratories International stock?

During the last quarter, CRL stock was sold by these institutional investors:
  1. Allspring Global Investments Holdings LLC
  2. Cooke & Bieler LP
  3. Van Berkom & Associates Inc.
  4. Boston Trust Walden Corp
  5. Riverbridge Partners LLC
  6. Investment House LLC
  7. Confluence Investment Management LLC
  8. Jefferies Financial Group Inc.
In the last year, company insiders that have sold Charles River Laboratories International company stock include:
  1. Birgit Girshick (CEO)
  2. James C Foster (Director)
  3. Victoria L Creamer (EVP)
  4. Michael Gunnar Knell (CAO)
  5. Shannon M Parisotto (EVP)
  6. Nancy C Andrews (Director)
Learn More investors selling Charles River Laboratories International stock.

Which major investors are buying Charles River Laboratories International stock?

During the previous quarter, CRL stock was bought by institutional investors including:
  1. Assenagon Asset Management S.A.
  2. Retirement Systems of Alabama
  3. State of Alaska Department of Revenue
  4. Sumitomo Mitsui DS Asset Management Company Ltd
  5. New York Life Investment Management LLC
  6. Yousif Capital Management LLC
  7. TD Waterhouse Canada Inc.
  8. Eurizon Capital SGR S.p.A.
During the last year, these company insiders have bought Charles River Laboratories International stock:
  1. James C Foster (CEO)
  2. Birgit Girshick (COO)
  3. Glenn Coleman (CFO)
Learn More investors buying Charles River Laboratories International stock.