---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-039161"
form_type: "8-K"
ticker: "CRAI"
cik: "0001053706"
company_name: "CRA INTERNATIONAL, INC."
filed_at: "2026-04-02T23:59:59+00:00"
generated_at: "2026-05-15T07:46:41.555405+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# CRA announces retirement of Lead Director Concannon; Detrick to succeed

## Summary
- William Concannon to retire as Lead Director effective July 16, 2026, after 26 years on board.
- Christine Detrick appointed as Lead Director, effective same date, subject to re-election at annual meeting.
- Concannon's retirement is not due to any disagreement with company operations or policies.
- Detrick has served on the board since 2020 and chairs the Nominating and Corporate Governance Committee.

## SEC filing metadata
- accession: 0001104659-26-039161
- form_type: 8-K
- ticker: CRAI
- cik: 0001053706
- company_name: CRA INTERNATIONAL, INC.
- filed_at: 2026-04-02T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1053706/000110465926039161/0001104659-26-039161-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1053706/000110465926039161/tm2610933d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-039161
- JSON: https://secwatch.observer/filing/0001104659-26-039161.json
- Plain text: https://secwatch.observer/filing/0001104659-26-039161.txt

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