How this company measures up on the fundamentals that matter
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. The Research Models and Services 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 genetically engineered models and services, insourcing solutions, and research animal diagnostic services; and engages in development and production of cell therapies. The Discovery and Safety Assessment segment offers in vitro and in vivo discovery services for the discovery, development, and safety testing of novel drugs, molecule compounds, oligonucleotides, and biotherapeutics, and antibodies through delivery of preclinical drug and therapeutic candidates ready for safety assessment; safety assessment services, such as toxicology, pathology, safety pharmacology, bioanalysis, drug metabolism, and pharmacokinetics services; and vivarium space services. The Manufacturing Solutions segment provides in vitro methods for conventional and rapid quality control testing of sterile and non-sterile pharmaceuticals and consumer products; offers specialized testing of biologics that are outsourced by pharmaceutical and biotechnology companies; and contract development and manufacturing products and services. The company has strategic collaborations with Parker Institute for Cancer Immunotherapy and Children's Hospital Los Angeles across its contract development and manufacturing organization. Additionally, it has a strategic alliance with Francis Crick Institute (Crick), Inc. for the development of Antibody-Drug Conjugate (ADC) drug discovery and development. Charles River Laboratories International, Inc. was founded in 1947 and is headquartered in Wilmington, Massachusetts.
Five compliance checks based on AAOIFI standards — all must pass for ethical clearance
Trading at $178 against a fair value of $249, a 29% discount. Fails ethical screen (Debt ratio). Ranks better than 62% of screened stocks.
Statistical analysis of price behaviour, risk, and market regime — independent of fundamental data
Trading characteristics and market positioning
Balance sheet strength and cash generation — the foundation of long-term value
SEC Form 4 filings — what company insiders are buying and selling
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-12 | ANDREWS NANCY C | Director | 3,964 | — | |
| 2026-05-08 | KEMPS-POLANCO RESHEMA | Director | 1,973 | $350,444 | |
| 2026-05-08 | FOSTER JAMES C | Director | 1,860 | $330,373 | |
| 2026-05-08 | CEESAY ABRAHAM N | Director | 1,438 | $255,418 | |
| 2026-05-08 | ANDREWS NANCY C | Director | 1,438 | $255,418 | |
| 2026-05-08 | LLADO GEORGE SR. | Director | 1,888 | $335,347 | |
| 2026-05-08 | BARG STEVEN | Director | 1,438 | $255,418 | |
| 2026-05-08 | MACKAY MARTIN | Director | 2,845 | $505,329 | |
| 2026-05-08 | THOMPSON CRAIG B | Director | 1,438 | $255,418 | |
| 2026-05-08 | WILSON VIRGINIA M | Director | 1,438 | $255,418 |
Data sourced from public filings and market feeds. Not financial advice. Updated: 2025-12-31