---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-062502"
form_type: "8-K"
ticker: "ARCB"
cik: "0000894405"
company_name: "ARCBEST CORP /DE/"
filed_at: "2026-05-15T20:05:37+00:00"
generated_at: "2026-05-15T20:10:12.684217+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# ArcBest reincorporates from Delaware to Texas effective May 15, 2026

## Summary
- Conversion effective 9:35 a.m. CT on May 15, 2026; no change in name, headquarters, or Nasdaq symbol ARCB.
- Each outstanding share of Delaware common stock automatically converted to one share of Texas common stock.
- Employment agreements, benefit plans, and equity awards continue on same terms under the Texas entity.
- Governance shifts from Delaware law to Texas law; Texas Certificate of Formation and Bylaws govern.
- No change in business, management, properties, or employees; only transaction costs and franchise tax differences.

## SEC filing metadata
- accession: 0001104659-26-062502
- form_type: 8-K
- ticker: ARCB
- cik: 0000894405
- company_name: ARCBEST CORP /DE/
- filed_at: 2026-05-15T20:05:37+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 3.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/894405/000110465926062502/0001104659-26-062502-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/894405/000110465926062502/arcb-20260515x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-062502
- JSON: https://secwatch.observer/filing/0001104659-26-062502.json
- Plain text: https://secwatch.observer/filing/0001104659-26-062502.txt

## Key facts
- Governance Changes
  ARCBEST CORP /DE/: Company converted from Delaware to Texas corporation, replacing its third amended and restated certificate of incorporation with a Texas charter and adopting new bylaws (effective 2026-05-15).
  - Change: charter amendment
  - Effective: 2026-05-15
  source text: Pursuant to the Conversion Documents, the Company converted from a Delaware corporation into a Texas corporation (the “Texas Reincorporation”) effective on May 15, 2026, at 9:35 a.m. Central Time (the “Effective Time”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/894405/000110465926062502/0001104659-26-062502-index.htm

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