---
schema_version: "secwatch.filing_event.v1"
accession: "0001100682-24-000002"
form_type: "8-K"
ticker: "CRL"
cik: "0001100682"
company_name: "CHARLES RIVER LABORATORIES INTERNATIONAL, INC."
filed_at: "2024-01-16T23:59:59+00:00"
generated_at: "2026-06-06T22:57:49.318096+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Charles River Labs CCO William Barbo to retire; Kristen Eisenhauer named successor

## Summary
- William D. Barbo, Corporate EVP and CCO, to retire at end of 2024 after 42-year career.
- Barbo will remain as EVP and strategic advisor until retirement to ensure transition.
- Kristen Eisenhauer named SVP and Chief Commercial Officer; 20-year company veteran.
- Eisenhauer most recently served as Corporate SVP, Safety Assessment Customer Excellence.

## SEC filing metadata
- accession: 0001100682-24-000002
- form_type: 8-K
- ticker: CRL
- cik: 0001100682
- company_name: CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
- filed_at: 2024-01-16T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1100682/000110068224000002/0001100682-24-000002-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1100682/000110068224000002/crl-20240109.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001100682-24-000002
- JSON: https://secwatch.observer/filing/0001100682-24-000002.json
- Plain text: https://secwatch.observer/filing/0001100682-24-000002.txt

## Key facts
- Executive change
  William D. Barbo departed as Corporate Executive Vice President and Chief Commercial Officer at CHARLES RIVER LABORATORIES INTERNATIONAL, INC..
  - Action: retire
  - Role: Corporate Executive Vice President and Chief Commercial Officer
  source text: William D. Barbo, its Corporate Executive Vice President and Chief Commercial Officer, will retire from the Company at the end of 2024 after a distinguished, 42-year career with the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1100682/000110068224000002/0001100682-24-000002-index.htm
- Executive change
  Kristen Eisenhauer changed role as Senior Vice President, Chief Commercial Officer at CHARLES RIVER LABORATORIES INTERNATIONAL, INC..
  - Action: assuming the role
  - Role: Senior Vice President, Chief Commercial Officer
  source text: Kristen Eisenhauer is assuming the role of Senior Vice President, Chief Commercial Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1100682/000110068224000002/0001100682-24-000002-index.htm

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