---
schema_version: "secwatch.filing_event.v1"
accession: "0001157523-23-000819"
form_type: "8-K"
ticker: "CRL"
cik: "0001100682"
company_name: "CHARLES RIVER LABORATORIES INTERNATIONAL, INC."
filed_at: "2023-05-11T23:59:59+00:00"
generated_at: "2026-06-15T03:31:37.373552+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Charles River Q1 revenue $1.03B, +12.6% YoY; raises organic growth guidance to 5.0-7.5%

## Summary
- GAAP EPS $2.01 (+11% YoY); non-GAAP EPS $2.78 (+1.1% YoY); net income $103.1M.
- DSA segment revenue $662.4M (+23.6% organic); non-GAAP operating margin 29.0%.
- Manufacturing segment revenue $167.3M (-1.8% organic); non-GAAP operating margin 13.7%.
- 2023 guidance narrowed: organic revenue growth 5.0-7.5% (prior 4.5-7.5%); non-GAAP EPS $9.90-$10.90.
- Management cites strong DSA demand but warns Cambodian NHP supply constraints will affect H2.

## SEC filing metadata
- accession: 0001157523-23-000819
- form_type: 8-K
- ticker: CRL
- cik: 0001100682
- company_name: CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
- filed_at: 2023-05-11T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1100682/000115752323000819/0001157523-23-000819-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1100682/000115752323000819/a53397649.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001157523-23-000819
- JSON: https://secwatch.observer/filing/0001157523-23-000819.json
- Plain text: https://secwatch.observer/filing/0001157523-23-000819.txt

## Key facts
- Earnings Releases
  CHARLES RIVER LABORATORIES INTERNATIONAL, INC. reported the first quarter ended April 1, 2023 results: revenue $1.03 billion, net income $103.1 million, EPS $2.01. Guidance reaffirmed.
  - Period: the first quarter ended April 1, 2023
  - Revenue: $1.03 billion
  - Net income: $103.1 million
  - EPS: $2.01
  - Guidance: reaffirmed
  - Result: reported results
  source text: Charles River Laboratories Announces First-Quarter 2023 Results – First-Quarter Revenue of $1.03 Billion – – First-Quarter GAAP Earnings per Share of $2.01 and Non-GAAP Earnings per Share of $2.78 – – Updates 2023 Guidance –
  evidence_url: https://www.sec.gov/Archives/edgar/data/1100682/000115752323000819/0001157523-23-000819-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.