ArcBest CHRO reports tax-withholding share moves

ArcBest Corporation’s Chief Human Resources Officer, Erin K. Gattis, reported routine tax-related share withholdings in company stock.

Rhea-AI Filing Summary

ArcBest Corporation’s Chief Human Resources Officer, Erin K. Gattis, reported routine tax-related share withholdings in company stock. On May 6 and May 7, 2026, a total of 450 common shares were disposed of as tax-withholding transactions at prices around $121.78–$121.82 per share, to satisfy tax obligations rather than through open-market sales. After these transactions, Gattis directly holds 30,449 common shares and also has an indirect position of about 121.48 shares in a 401(k) account, calculated from ArcBest Corporation stock fund units as of May 7, 2026.

Insider Trade Summary

Exercise Price or Tax Liability: 450 shares

Exercise Price or Tax Liability 3 txns

Insider Gattis Erin K

Role CHIEF HUMAN RESOURCES OFFICER

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock, par value $0.01 per share	144	$121.78	$18K
Exercise Price or Tax Liability	Common Stock, par value $0.01 per share	306	$121.82	$37K
holding	Common Stock, par value $0.01 per share	--	--	--

Holdings After Transaction: Common Stock, par value $0.01 per share — 30,449 shares (Direct); Common Stock, par value $0.01 per share — 121.48 shares (Indirect, By 401(k))

Footnotes (1)

1. F1. Calculation of company stock shares is based on ArcBest Corporation stock fund figures provided by the fund management company on 05/07/2026. Number of shares was calculated from unit ownership.

Key Figures

Tax-withholding shares: 450 shares Tax-withholding price May 6, 2026: $121.82 per share Tax-withholding price May 7, 2026: $121.78 per share +2 more

5 metrics

Tax-withholding shares 450 shares Total F-code tax-withholding dispositions reported

Tax-withholding price May 6, 2026 $121.82 per share 306 shares used for tax withholding

Tax-withholding price May 7, 2026 $121.78 per share 144 shares used for tax withholding

Direct holdings after transactions 30,449 shares Common stock directly owned by Erin K. Gattis

Indirect 401(k) holdings 121.48 shares ArcBest stock via 401(k) fund as of May 7, 2026

Key Terms

tax-withholding disposition, Common Stock, par value $0.01 per share, 401(k), ArcBest Corporation stock fund

4 terms

tax-withholding disposition financial

"transaction_action": "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Common Stock, par value $0.01 per share financial

"security_title": "Common Stock, par value $0.01 per share""

401(k) financial

"nature_of_ownership": "By 401(k)""

A 401(k) is a type of retirement savings plan offered by employers that allows workers to set aside a portion of their paycheck before taxes are taken out. The money saved in a 401(k) can grow over time through investments, helping individuals build funds for their future retirement. It matters to investors because it provides a tax-advantaged way to save and invest for long-term financial security.

ArcBest Corporation stock fund financial

"calculated from ArcBest Corporation stock fund figures provided"

FAQ

What insider activity did ARCB’s Erin K. Gattis report on this Form 4?

Erin K. Gattis reported tax-withholding dispositions of ArcBest common stock, where shares were withheld to cover tax obligations. These are not open-market sales but routine administrative transactions tied to equity compensation.

How many ARCB shares were withheld for taxes by Erin K. Gattis?

A total of 450 ArcBest common shares were withheld for taxes. The Form 4 shows 306 shares on May 6, 2026 and 144 shares on May 7, 2026, all coded as tax-withholding dispositions (code F).

At what prices were ARCB shares used for Erin K. Gattis’s tax withholding?

The withheld ArcBest shares were valued at about $121.82 per share on May 6, 2026 and $121.78 per share on May 7, 2026. These prices reflect the value used for the tax-withholding dispositions reported.

How many ARCB shares does Erin K. Gattis hold after these transactions?

Following the reported tax-withholding transactions, Erin K. Gattis directly holds 30,449 shares of ArcBest common stock. The filing also shows an additional 121.48 shares held indirectly through a 401(k) plan invested in an ArcBest stock fund.

What does the 401(k) entry mean in Erin K. Gattis’s ARCB Form 4?

The Form 4 shows indirect ownership of 121.48 shares of ArcBest stock through a 401(k). According to a footnote, this figure is based on ArcBest stock fund units, converted to share equivalents using data as of May 7, 2026.

Were any open-market purchases or sales of ARCB stock reported by Erin K. Gattis?

No open-market purchases or sales were reported. The only share movements are tax-withholding dispositions (code F) and a 401(k) holding entry, indicating administrative adjustments rather than discretionary market trades.

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

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Accepted by SEC EDGAR 05/08/2026 - 05:25 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Gattis Erin K

(Last) (First) (Middle)

8401 MCCLURE DRIVE

(Street)

FORT SMITH ARKANSAS 72916

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ARCBEST CORP /DE/ [ ARCB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF HUMAN RESOURCES OFFICER

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/06/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, par value $0.01 per share	05/06/2026		F		306	D	$121.82	30,593	D
Common Stock, par value $0.01 per share	05/07/2026		F		144	D	$121.78	30,449	D
Common Stock, par value $0.01 per share								121.48	I	By 401(k)(1)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Calculation of company stock shares is based on ArcBest Corporation stock fund figures provided by the fund management company on 05/07/2026. Number of shares was calculated from unit ownership.

	/s/ Erin K. Gattis	05/08/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)