ArcBest corrects state of incorporation detail

ArcBest Corporation filed an amended current report to fix a clerical error on a previously filed report about its conversion of incorporation.

Accepted by SEC EDGAR 05/18/2026 - 04:29 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

ArcBest Corporation filed an amended current report to fix a clerical error on a previously filed report about its conversion of incorporation. The earlier filing mistakenly listed Delaware as the state of incorporation on the cover page. This amendment updates the cover to correctly show Texas and makes no other changes to the prior disclosure or its exhibits.

Key Terms

Explanatory Note, state of incorporation, Emerging growth company

3 terms

Explanatory Note regulatory

"Explanatory Note On May 15, 2026, ArcBest Corporation (Nasdaq: ARCB)"

state of incorporation regulatory

"conversion from the State of Delaware to the State of Texas"

The state of incorporation is the U.S. state whose laws a company used when it legally formed and registered as a corporation. It is like a company’s legal birthplace: that state’s corporate rules determine basic matters such as how the company is governed, what shareholder protections apply, which filings and taxes are required, and where certain legal disputes are handled, all of which can affect investors’ rights and expectations.

Emerging growth company regulatory

"Emerging growth company"

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did ArcBest (ARCB) change in this 8-K/A amendment?

ArcBest updated a clerical detail on its prior report. The cover page had incorrectly listed Delaware as the state of incorporation, and this amendment corrects it to Texas without changing any other disclosures or exhibits.

Does ArcBest’s 8-K/A amendment change any business or financial information?

No, the amendment only corrects the state of incorporation on the cover page. All business, financial, and transactional information in the original report and its exhibits remains unchanged and should be read together with this correction.

What was the original ArcBest (ARCB) filing that this 8-K/A amends?

The original filing disclosed ArcBest’s conversion of its state of incorporation from Delaware to Texas. This amendment simply fixes the cover page so it correctly shows Texas as the state of incorporation referenced in that earlier report.

Why did ArcBest file an amendment regarding its state of incorporation?

ArcBest filed the amendment to correct a clerical error on the cover page. The prior report still showed Delaware as the state of incorporation, even though the company had converted to Texas, so the company updated this detail for accuracy.

Who signed ArcBest’s amended report correcting the state of incorporation?

The amended report was signed on behalf of ArcBest by J. Brent Hagy. He serves as the company’s Chief Legal Officer and Corporate Secretary and executed the filing under the requirements of the Securities Exchange Act of 1934.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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0000894405true00008944052026-05-152026-05-15

June 30

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K/A

Amendment No. 1

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CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

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

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ARCBEST CORPORATION

(Exact name of registrant as specified in its charter)

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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)

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

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Not Applicable

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

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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.

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

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

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

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

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

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Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock $0.01 Par Value	ARCB	Nasdaq

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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).

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Emerging growth company☐

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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.

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SIGNATURES

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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
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​	​	​	(Registrant)
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Date:	May 18, 2026	​	/s/ J. Brent Hagy
​			J. Brent Hagy
​			Chief Legal Officer and Corporate Secretary

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Filing Exhibits & Attachments

3 documents

Other Documents

• EX-101 EX-101.SCH 2.6 KB
• EX-101 EX-101.LAB 15.5 KB
• EX-101 EX-101.PRE 10.0 KB