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ARCB · Amended Current Report (Form 8-K/A) · Filed May 18, 2026

Arcbest Corp — Amended Current Report (Form 8-K/A)

Form
8-K/A
Filed
May 18, 2026
Period
May 15, 2026
Ticker
ARCB
Accession
0001104659-26-063227
Boardroom Alpha · Filing insights

Amendment corrects state of incorporation from Delaware to Texas; no other disclosures updated.

About Arcbest Corp
Market cap
$3.2B
1Y TSR
+82.3%
3Y TSR
+12.6%
Board grade
B
Sector
Industrials
CEO
Seth Runser
Last annual meeting: Apr 24, 2026 · View full Arcbest Corp profile →
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)

Texas

0-19969

71-0673405

(State or other jurisdiction of incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

8401 McClure Drive

Fort Smith, Arkansas

(Address of principal executive offices)

72916

(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:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock $0.01 Par Value

ARCB

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.

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.

ARCBEST CORPORATION

(Registrant)

Date:

May 18, 2026

/s/ J. Brent Hagy

J. Brent Hagy

Chief Legal Officer and Corporate Secretary

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Reference

Frequently asked questions

When did Arcbest Corp file this 8-K/A?
Arcbest Corp (ARCB) filed this Amended Current Report (Form 8-K/A) with the SEC on May 18, 2026. The accession number assigned by EDGAR is 0001104659-26-063227.
What does an 8-K/A disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Amendment corrects state of incorporation from Delaware to Texas; no other disclosures updated. This is Boardroom Alpha's one-line summary of the amended current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Arcbest Corp's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K/A Arcbest Corp has filed under CIK 894405, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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