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CRL Insider Trading

Insider Ownership Percentage: 1.30%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $343,991.20

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.

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Charles River Laboratories International Share Price & Price History

Current Price: $177.96
Price Change: ▼ Price Decrease of -3.723 (-2.05%)
As of 05/8/2026 03:59 PM ET

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

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Days: 30 | 90 | 365

Charles River Laboratories International Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
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  
8/24/2023Richard F. WallmanDirectorBuy1,000$198.79$198,790.001,000View SEC Filing Icon  
8/10/2023Joseph W. LaPlumeEVPSell700$216.52$151,564.0024,983View SEC Filing Icon  
8/10/2023Michael Gunnar KnellCAOSell1,471$216.54$318,530.349,940View SEC Filing Icon  
8/10/2023William D BarboVPSell5,763$217.24$1,251,954.123,592View SEC Filing Icon  
5/15/2023Joseph W. LaPlumeEVPSell345$190.39$65,684.5524,026View 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.

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Charles River Laboratories International Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/8/2026PNC Financial Services Group Inc.14,487$2.50M0.0%-9.8%0.029%Search for SEC Filing on Google Icon
5/8/2026Madison Asset Management LLC16,752$2.89M0.0%+7.2%0.034%Search for SEC Filing on Google Icon
5/7/2026Van Berkom & Associates Inc.501,152$86.45M2.9%+11.2%1.016%Search for SEC Filing on Google Icon
5/7/2026Meeder Asset Management Inc.1,917$0.33M0.0%N/A0.004%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP1,652,484$285M0.1%+14.6%3.349%Search for SEC Filing on Google Icon
5/7/2026Balefire LLC8,022$1.38M0.3%-7.1%0.016%Search for SEC Filing on Google Icon
5/7/2026KBC Group NV1,588$0.27M0.0%+16.3%0.003%Search for SEC Filing on Google Icon
5/7/2026Swiss National Bank97,300$16.78M0.0%+0.2%0.197%Search for SEC Filing on Google Icon
5/6/2026California Public Employees Retirement System88,752$15.31M0.0%+0.2%0.180%Search for SEC Filing on Google Icon
5/6/2026Kera Capital Partners Inc.2,171$0.37M0.0%-13.5%0.004%Search for SEC Filing on Google Icon
5/6/2026Assetmark Inc.52,387$9.04M0.0%+19.6%0.106%Search for SEC Filing on Google Icon
5/6/2026Bessemer Group Inc.22,953$3.96M0.0%-1.7%0.047%Search for SEC Filing on Google Icon
5/6/2026Allspring Global Investments Holdings LLC1,993,316$348.63M0.6%-0.1%4.040%Search for SEC Filing on Google Icon
5/5/2026Wealthfront Advisers LLC1,609$0.28M0.0%+17.8%0.003%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp295,913$51.05M0.0%-10.9%0.600%Search for SEC Filing on Google Icon
5/5/2026Illinois Municipal Retirement Fund4,485$0.77M0.0%N/A0.009%Search for SEC Filing on Google Icon
5/5/2026Sanctuary Advisors LLC4,041$0.70M0.0%-30.9%0.008%Search for SEC Filing on Google Icon
5/4/2026State of Michigan Retirement System12,830$2.21M0.0%-0.8%0.026%Search for SEC Filing on Google Icon
5/4/2026Principal Financial Group Inc.56,182$9.69M0.0%-53.0%0.114%Search for SEC Filing on Google Icon
5/4/2026Chicago Partners Investment Group LLC2,167$0.40M0.0%-16.0%0.004%Search for SEC Filing on Google Icon
5/4/2026Procyon Advisors LLC1,538$0.27M0.0%+30.2%0.003%Search for SEC Filing on Google Icon
5/1/2026Fifth Third Bancorp17,733$3.06M0.0%+51.2%0.036%Search for SEC Filing on Google Icon
5/1/2026Candriam S.C.A.86,430$14.91M0.1%+159.7%0.175%Search for SEC Filing on Google Icon
5/1/2026Sequoia Financial Advisors LLC3,493$0.60M0.0%+8.9%0.007%Search for SEC Filing on Google Icon
4/30/2026Hsbc Holdings PLC69,682$11.98M0.0%+12.2%0.141%Search for SEC Filing on Google Icon
4/30/2026Sumitomo Mitsui Trust Group Inc.2,848$0.49M0.0%+9.3%0.006%Search for SEC Filing on Google Icon
4/28/2026Praxis Investment Management Inc.1,916$0.33M0.0%+49.8%0.004%Search for SEC Filing on Google Icon
4/28/2026V Square Quantitative Management LLC1,490$0.26M0.0%-4.4%0.003%Search for SEC Filing on Google Icon
4/28/2026QRG Capital Management Inc.1,928$0.33M0.0%-15.1%0.004%Search for SEC Filing on Google Icon
4/27/2026HB Wealth Management LLC2,676$0.46M0.0%+5.9%0.005%Search for SEC Filing on Google Icon
4/27/2026Y Intercept Hong Kong Ltd5,914$1.02M0.0%-36.9%0.012%Search for SEC Filing on Google Icon
4/25/2026Boston Trust Walden Corp285,425$49.24M0.4%-6.4%0.578%Search for SEC Filing on Google Icon
4/25/2026Keybank National Association OH6,134$1.06M0.0%+23.6%0.012%Search for SEC Filing on Google Icon
4/25/2026Mitchell & Pahl Private Wealth LLC5,296$0.91M0.4%+3.8%0.011%Search for SEC Filing on Google Icon
4/23/2026Brown Miller Wealth Management LLC1,278$0.22M0.1%+7.0%0.003%Search for SEC Filing on Google Icon
4/22/2026Patton Fund Management Inc.1,362$0.24M0.0%+7.7%0.003%Search for SEC Filing on Google Icon
4/22/2026Janney Montgomery Scott LLC12,388$2.14M0.0%-38.1%0.025%Search for SEC Filing on Google Icon
4/22/20261492 Capital Management LLC7,875$1.36M0.5%+30.0%0.016%Search for SEC Filing on Google Icon
4/22/2026Pictet Asset Management Holding SA10,650$1.84M0.0%+7.5%0.022%Search for SEC Filing on Google Icon
4/22/2026Sterling Capital Management LLC1,637$0.28M0.0%-43.4%0.003%Search for SEC Filing on Google Icon
4/22/2026Venturi Wealth Management LLC1,557$0.27M0.0%-6.0%0.003%Search for SEC Filing on Google Icon
4/21/2026Aaron Wealth Advisors LLC2,424$0.42M0.0%+13.4%0.005%Search for SEC Filing on Google Icon
4/21/2026Louisiana State Employees Retirement System2,500$0.43M0.0%N/A0.005%Search for SEC Filing on Google Icon
4/21/2026Contravisory Investment Management Inc.6,218$1.07M0.2%+1.5%0.013%Search for SEC Filing on Google Icon
4/20/2026Kestra Private Wealth Services LLC2,864$0.49M0.0%-4.8%0.006%Search for SEC Filing on Google Icon
4/20/2026Blue Trust Inc.2,576$0.44M0.0%+5.9%0.005%Search for SEC Filing on Google Icon
4/20/2026OP Asset Management Ltd2,340$0.40M0.0%N/A0.005%Search for SEC Filing on Google Icon
4/20/2026Banque Cantonale Vaudoise2,256$0.39M0.0%-2.7%0.005%Search for SEC Filing on Google Icon
4/20/2026Assenagon Asset Management S.A.22,211$3.83M0.0%-66.3%0.045%Search for SEC Filing on Google Icon
4/18/2026Riverbridge Partners LLC63,788$11M0.3%-35.8%0.129%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC186,173$32.12M0.0%+2.4%0.377%Search for SEC Filing on Google Icon
3/20/2026Purpose Unlimited Inc.3,501$0.70M0.0%N/A0.007%Search for SEC Filing on Google Icon
3/20/2026Hsbc Holdings PLC62,084$12.40M0.0%-25.2%0.126%Search for SEC Filing on Google Icon
3/17/2026Rockefeller Capital Management L.P.1,750$0.35M0.0%+30.0%0.004%Search for SEC Filing on Google Icon
3/12/2026Eos Management L.P.4,206$0.84M0.3%N/A0.009%Search for SEC Filing on Google Icon
3/9/2026Corient Private Wealth LLC17,628$3.52M0.0%+68.5%0.036%Search for SEC Filing on Google Icon
3/6/2026Hsbc Holdings PLC62,084$12.40M0.0%-25.2%0.126%Search for SEC Filing on Google Icon
3/4/2026SHP Wealth Management425$85K0.0%N/A0.001%Search for SEC Filing on Google Icon
2/27/2026Groupama Asset Managment2,405$0.48M0.0%-9.5%0.005%Search for SEC Filing on Google Icon
2/23/2026Kera Capital Partners Inc.2,511$0.53M0.1%+4.5%0.005%Search for SEC Filing on Google Icon
2/19/2026Compound Planning Inc.1,668$0.33M0.0%+19.6%0.003%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.2,696,150$537.83M0.1%+115.8%5.478%Search for SEC Filing on Google Icon
2/19/2026Corient Private Wealth LLC35,170$7.02M0.0%+236.2%0.071%Search for SEC Filing on Google Icon
2/18/2026Mercer Global Advisors Inc. ADV6,316$1.26M0.0%+1.3%0.013%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury12,593$2.65M0.0%+32.7%0.026%Search for SEC Filing on Google Icon
2/18/2026EP Wealth Advisors LLC2,199$0.44M0.0%N/A0.004%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp781,476$157.53M0.2%-21.5%1.588%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC5,293$1.06M0.0%+7.7%0.011%Search for SEC Filing on Google Icon
2/18/2026VARCOV Co.1,774$0.35M0.1%N/A0.004%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP1,749,213$348.93M0.1%-45.2%3.554%Search for SEC Filing on Google Icon
2/18/2026SummitTX Capital L.P.13,066$2.61M0.1%N/A0.027%Search for SEC Filing on Google Icon
2/18/2026Toronto Dominion Bank8,467$1.69M0.0%-60.0%0.017%Search for SEC Filing on Google Icon
2/18/2026Tudor Investment Corp ET AL4,782$0.95M0.0%-95.0%0.010%Search for SEC Filing on Google Icon
2/18/2026Suvretta Capital Management LLC1,010$0.20M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/18/2026Quadrature Capital Ltd6,837$1.36M0.0%-30.6%0.014%Search for SEC Filing on Google Icon
2/18/2026Moore Capital Management LP10,903$2.18M0.0%-77.7%0.022%Search for SEC Filing on Google Icon
2/18/2026Man Group plc9,457$1.89M0.0%-90.6%0.019%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC22,200$4.43M0.0%-6.2%0.045%Search for SEC Filing on Google Icon
2/18/2026Gotham Asset Management LLC289,516$57.75M0.2%-8.3%0.588%Search for SEC Filing on Google Icon
2/18/2026Empyrean Capital Partners LP121,500$24.24M0.8%N/A0.247%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP27,613$5.51M0.1%-8.9%0.056%Search for SEC Filing on Google Icon
2/18/2026First Manhattan CO. LLC.10,837$2.16M0.0%N/A0.022%Search for SEC Filing on Google Icon
2/18/2026Aristotle Capital Boston LLC86,214$17.20M0.9%-9.6%0.175%Search for SEC Filing on Google Icon
2/18/2026Balyasny Asset Management L.P.208,559$41.60M0.1%+37.8%0.424%Search for SEC Filing on Google Icon
2/18/2026Banco Bilbao Vizcaya Argentaria S.A.13,969$2.79M0.0%-4.1%0.028%Search for SEC Filing on Google Icon
2/17/2026Guggenheim Capital LLC5,238$1.05M0.0%-13.5%0.011%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC50,882$10.15M0.0%+87.3%0.103%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC120,112$23.96M0.0%-54.7%0.244%Search for SEC Filing on Google Icon
2/17/2026Abel Hall LLC1,379$0.28M0.1%N/A0.003%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers7,125$1.42M0.0%+7.6%0.014%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC19,993$3.99M0.0%+162.9%0.041%Search for SEC Filing on Google Icon
2/17/2026Laird Norton Wetherby Trust Company LLC2,840$0.57M0.0%N/A0.006%Search for SEC Filing on Google Icon
2/17/2026Amundi281,014$56.06M0.0%-9.4%0.571%Search for SEC Filing on Google Icon
2/17/2026Iron Triangle Partners LP379,728$75.75M8.7%+41.7%0.771%Search for SEC Filing on Google Icon
2/17/2026Vinva Investment Management Ltd1,132$0.23M0.0%-69.6%0.002%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.2,266$0.45M0.0%-19.2%0.005%Search for SEC Filing on Google Icon
2/17/2026Quantitative Investment Management LLC3,120$0.62M0.1%+12.3%0.006%Search for SEC Filing on Google Icon
2/17/2026Kerrisdale Advisers LLC4,593$0.92M0.4%-38.4%0.009%Search for SEC Filing on Google Icon
2/17/2026Integral Health Asset Management LLC45,000$8.98M0.4%-25.0%0.091%Search for SEC Filing on Google Icon
2/17/2026Advisory Services Network LLC4,052$0.81M0.0%+25.6%0.008%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: $177.96
Low: $174.07
High: $183.65

50 Day Range

MA: $170.79
Low: $151.88
High: $185.90

52 Week Range

Now: $177.96
Low: $132.58
High: $228.88

Volume

978,093 shs

Average Volume

805,437 shs

Market Capitalization

$8.78 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.44

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 — 4.04%
  2. Dimensional Fund Advisors LP — 3.35%
  3. Van Berkom & Associates Inc. — 1.02%
  4. Bank of New York Mellon Corp — 0.60%
  5. Boston Trust Walden Corp — 0.58%
  6. SG Americas Securities LLC — 0.38%
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. Principal Financial Group Inc.
  2. Assenagon Asset Management S.A.
  3. Bank of New York Mellon Corp
  4. Riverbridge Partners LLC
  5. Boston Trust Walden Corp
  6. Janney Montgomery Scott LLC
  7. Y Intercept Hong Kong Ltd
  8. Allspring Global Investments Holdings LLC
In the last year, company insiders that have sold Charles River Laboratories International company stock include:
  1. Joseph W Laplume (EVP)
  2. George Massaro (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. Dimensional Fund Advisors LP
  2. Candriam S.C.A.
  3. Van Berkom & Associates Inc.
  4. Assetmark Inc.
  5. Hsbc Holdings PLC
  6. Fifth Third Bancorp
  7. Illinois Municipal Retirement Fund
  8. SG Americas Securities LLC
During the last year, these company insiders have bought Charles River Laboratories International stock:
  1. James C Foster (CEO)
  2. Birgit Girshick (COO)
Learn More investors buying Charles River Laboratories International stock.

Charles River Laboratories International Active Insiders

James C. Foster
James C. Foster (Age 74)
CEO
David Ross Smith (Age 60)
CFO
Michael Gunnar Knell
Michael Gunnar Knell (Age 49)
CAO
George Massaro
George Massaro
Director
Deborah Turner Kochevar
Deborah Turner Kochevar
Director
Robert J Bertolini
Robert J Bertolini
Director
Stephen D Chubb
Stephen D Chubb
Director
Richard F Wallman
Richard F Wallman
Director
Victoria L. Creamer
Victoria L. Creamer
EVP
Joseph W Laplume
Joseph W Laplume
EVP
Shannon M Parisotto
Shannon M Parisotto
EVP
Birgit Girshick
Birgit Girshick (Age 55)
VP
William D. Barbo
William D. Barbo (Age 64)
VP