ArcBest (ARCB) CEO uses 862 shares for tax withholding on equity

Rhea-AI Filing Summary

ArcBest (ARCB) President & CEO Seth Runser reported routine tax-related share dispositions. On May 6 and 7, he had a total of 862 shares of common stock withheld to cover tax liabilities, at prices around $121.80 per share.

After these non-market transactions, he directly holds just under 30,000 shares of ArcBest common stock. The dispositions were coded as tax-withholding events, not open-market sales, reflecting administrative settlement of tax obligations tied to equity compensation.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider RUNSER SETH

Role President & CEO, ArcBest

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock, par value $0.01 per share	219	$121.78	$27K
Tax Withholding	Common Stock, par value $0.01 per share	643	$121.82	$78K

Holdings After Transaction: Common Stock, par value $0.01 per share — 29,246 shares (Direct, null)

Footnotes (1)

Key Figures

Tax-withholding shares total: 862 shares Tax-withholding price May 6: $121.82 per share Tax-withholding price May 7: $121.78 per share +1 more

4 metrics

Tax-withholding shares total 862 shares Common stock delivered for tax liabilities on May 6–7

Tax-withholding price May 6 $121.82 per share 643 shares of common stock on May 6

Tax-withholding price May 7 $121.78 per share 219 shares of common stock on May 7

Holdings after May 7 29,246 shares Common stock directly held following final reported transaction

Key Terms

tax-withholding disposition, Common Stock, par value $0.01 per share, Form 4, transaction code F

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""

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

transaction code F financial

"transaction_code": "F""

Form 4 Insider Transactions: What Each Field Means →

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^*

RUNSER SETH

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO, ArcBest

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		643	D	$121.82	29,465	D
Common Stock, par value $0.01 per share	05/07/2026		F		219	D	$121.78	29,246	D

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:

	/s/ Seth Runser	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)

FAQ

What insider transactions did ARCB CEO Seth Runser report on this Form 4?

Seth Runser reported two tax-related share dispositions totaling 862 shares of ArcBest common stock. These were coded as F transactions, meaning shares were withheld to satisfy tax liabilities, rather than sold in open-market trades, and were tied to equity compensation events.

Were Seth Runser’s ARCB transactions open-market sales of stock?

No, the Form 4 shows tax-withholding dispositions, not open-market sales. Code F indicates shares were delivered to cover tax obligations associated with equity compensation, so there was no discretionary buying or selling decision in the public market by the CEO.

How many ARCB shares were involved in Seth Runser’s tax-withholding transactions?

The filing reports 862 shares of ArcBest common stock used for tax withholding. This includes 643 shares on May 6 at about $121.82 per share and 219 shares on May 7 at about $121.78 per share, both classified as non-derivative transactions.

How many ARCB shares does CEO Seth Runser hold after these transactions?

After the tax-withholding dispositions, Seth Runser directly holds just under 30,000 shares of ArcBest common stock. The reported post-transaction holdings were 29,465 shares after the May 6 event and 29,246 shares following the May 7 transaction, according to the Form 4.

What does transaction code F mean on Seth Runser’s ARCB Form 4?

Code F indicates "payment of exercise price or tax liability by delivering securities." For ArcBest CEO Seth Runser, it means the reported share dispositions were used to cover tax obligations from equity compensation, rather than reflecting elective buying or selling in the open market.