# EDGAR Filing Document

**Accession Number:** 0000894405
**File Stem:** 0001104659-26-063227
**Filing Date:** 2026-5
**Character Count:** 4946
**Document Hash:** b42bb55073efe2b2a63f3a378041b626
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-063227.hdr.sgml**: 20260518

**ACCESSION NUMBER**: 0001104659-26-063227

**CONFORMED SUBMISSION TYPE**: 8-K/A

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20260515

**ITEM INFORMATION**: Other Events

**FILED AS OF DATE**: 20260518

**DATE AS OF CHANGE**: 20260518

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ARCBEST CORP /DE/
- **CENTRAL INDEX KEY:** 0000894405
- **STANDARD INDUSTRIAL CLASSIFICATION:** TRUCKING (NO LOCAL) [4213]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 710673405
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-19969
- **FILM NUMBER:** 26993950

**BUSINESS ADDRESS:**
- **STREET 1:** 8401 MCCLURE DRIVE
- **CITY:** FORT SMITH
- **STATE:** AR
- **ZIP:** 72916
- **BUSINESS PHONE:** 4797856000

**MAIL ADDRESS:**
- **STREET 1:** P O BOX 10048
- **CITY:** FORT SMITH
- **STATE:** AR
- **ZIP:** 72917-0048

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ARKANSAS BEST CORP /DE/
- **DATE OF NAME CHANGE:** 19930917

?xml version='1.0' encoding='ASCII'? ARCBEST CORPORATION_May 15, 2026

June 30

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

#### Washington, D.C. 20549

### FORM 8-K/A

#### Amendment No. 1

#### CURRENT REPORT
**Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934**

#### Date of Report (Date of earliest event reported): May 18, 2026 (May 15, 2026)

### ARCBEST CORPORATION
(Exact name of registrant as specified in its charter)

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| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Texas** | &nbsp;&nbsp;**0-19969** | &nbsp;&nbsp;**71-0673405** |
| &nbsp;&nbsp;(State or other jurisdiction of incorporation) | &nbsp;&nbsp;(Commission<br>File Number) | &nbsp;&nbsp;(IRS Employer<br>Identification No.) |
| &nbsp;&nbsp;**8401 McClure Drive**<br>**Fort Smith, Arkansas**<br>**(Address of principal executive offices)** |  | &nbsp;&nbsp;**72916**<br>(Zip Code) |

---

Registrant's telephone number, including area code: **(479) 785-6000**

**Not Applicable**

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions.

**☐** Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

**☐** Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

**☐** Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

**☐** Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934:

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;Title of each class | &nbsp;&nbsp;Trading Symbol(s) | &nbsp;&nbsp;Name of each exchange on which registered |
| &nbsp;&nbsp;Common Stock $0.01 Par Value | &nbsp;&nbsp;ARCB | &nbsp;&nbsp;Nasdaq |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company**☐**

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.**☐**

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#### Explanatory Note
On May 15, 2026, ArcBest Corporation (Nasdaq: ARCB) (the "Company") filed a Current Report on Form 8-K (the "Initial Report") disclosing the Company's conversion from the State of Delaware to the State of Texas. This Amendment is being filed solely for the purpose of correcting a clerical error with respect to the State of Delaware being listed as the state of incorporation on the cover page, instead of the State of Texas. This Amendment contains only the cover page to this Form 8-K/A, this Explanatory Note, and the signature page. Except as set forth above, this Amendment does not modify or update any disclosure contained in the Initial Report or its exhibits and should be read in conjunction with the Initial Report and its exhibits.

**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | | |
|:---|:---|:---|
|  |  | **ARCBEST CORPORATION** |
|  |  | (Registrant) |
| Date:  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;May 18, 2026 | /s/ J. Brent Hagy |
|  |  | J. Brent Hagy |
|  |  | Chief Legal Officer and Corporate Secretary |

---