ArcBest officer sells 855 shares at $135.09

Available on EDGAR 09/15/2026 - 12:50 PM EDT Accepted by SEC EDGAR 09/15/2026 - 12:50 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

ARCBEST CORP (ARCB) insider Jason T. Parks, Vice President – Controller and Chief Accounting Officer, reported selling 855 shares of common stock on September 15, 2026 in an open-market transaction at a weighted average price of $135.09 per share, with individual sale prices ranging from $135.06 to $135.13. Following this sale, he directly holds 3,794 shares of ARCB common stock. No Rule 10b5-1 trading plan is reported for this transaction.

Insider Trade Summary

Net Seller: 855 shares

Net Sell 1 txn

Insider Parks Jason T

Role VP - Controller(1)

Sold 855 shs ($116K)

Type	Security	Shares	Price	Value
Sale	Common Stock, par value $0.01 per share F1	855	$135.09	$116K

Holdings After Transaction: Common Stock, par value $0.01 per share — 3,794 shares (Direct)

Footnotes (1)

1. F1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.06 to 135.13, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Key Figures

Shares sold: 855 shares Weighted average sale price: $135.09 per share Price range of sales: $135.06–$135.13 per share +2 more

5 metrics

Shares sold 855 shares Open-market sale of ARCB common stock on September 15, 2026

Weighted average sale price $135.09 per share Average price for 855 ARCB shares sold; trades ranged from $135.06 to $135.13

Price range of sales $135.06–$135.13 per share Individual sale prices for the reported 855-share transaction

Shares owned after transaction 3,794 shares Direct ARCB common stock holdings of Jason T. Parks following the sale

Net shares sold 855 shares Net change in reported non-derivative holdings in this Form 4

Key Terms

weighted average price, open market, Rule 10b5-1, beneficial ownership

4 terms

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

open market financial

"Sale in open market or private transaction"

An open market is a system where buying and selling of goods, services, or financial assets happen freely without restrictions or special controls. For investors, it means they can trade assets easily and quickly, which helps determine fair prices based on supply and demand. This environment encourages transparency and competition, making it easier to buy or sell with confidence.

Rule 10b5-1 regulatory

"no Rule 10b5-1 plan is reported"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

beneficial ownership financial

"full information regarding the number of shares sold at each separate price"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

FAQ

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

What insider transaction did ARCB (ARCBEST CORP) report for Jason T. Parks?

Jason T. Parks reported a sale of 855 ARCB common shares on September 15, 2026 in an open-market transaction, at a weighted average price of $135.09 per share, with prices ranging from $135.06 to $135.13.

What is Jason T. Parks’ role at ARCB (ARCBEST CORP)?

Jason T. Parks is an officer of ARCBEST CORP, serving as Vice President – Controller and Chief Accounting Officer, as reflected in the Form 4 filing for the reported stock sale.

How many ARCB shares does Jason T. Parks hold after the reported sale?

After selling 855 ARCB common shares, Jason T. Parks directly holds 3,794 shares of ARCBEST CORP common stock, according to the Form 4 disclosure.

At what prices were the ARCB shares sold in this Form 4 transaction?

The 855 ARCB shares were sold at a weighted average price of $135.09 per share, in multiple trades with prices ranging from $135.06 to $135.13, as described in the transaction footnote.

Was the ARCB insider sale by Jason T. Parks under a Rule 10b5-1 trading plan?

No. The filing indicates that no Rule 10b5-1 trading plan is reported for this transaction; the document-level 10b5-1 checkbox is not checked.

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

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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^*

Parks Jason T

(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 /TX/ [ ARCB ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP - Controller(1)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

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	09/15/2026		S		855	D	$135.09(1)	3,794	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:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.06 to 135.13, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Remarks:

(1) Full title of officer is Vice President - Controller, Chief Accounting Officer

	/s/ Jason T. Parks	09/15/2026
	** 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)