UNITED ~~STATES~~STATESSECURITIES AND EXCHANGE COMMISSIONWASHINGTON, D.C. 20549

SECURITIESFORM AND EXCHANGE COMMISSION8-K

~~WASHINGTON,~~CURRENT ~~D.C. 20549~~ REPORT

~~FORM~~Pursuant ~~8-K~~to Section 13 or 15(d) of the Securities Exchange Act of 1934

~~CURRENT~~Date ~~REPORT~~of Report (Date of earliest event reported): September 04, 2025

~~Pursuant~~OLD toDOMINION ~~Section~~FREIGHT 13LINE, ~~or 15(d) of the Securities Exchange Act of 1934~~ INC.

~~Date of Report~~ (~~Date~~Exact name of ~~earliest~~Registrant ~~event~~as ~~reported):~~Specified ~~July~~in ~~30,~~Its ~~2025~~ Charter)

OLD DOMINION FREIGHT LINE, INC.


Virginia	0-19582	56-0751714
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

500 Old Dominion Way
Thomasville, North Carolina		27360
(Address of Principal Executive Offices)		(Zip Code)

~~(Exact name of~~ Registrant’s asTelephone ~~Specified~~Number, inIncluding ~~Its~~Area ~~Charter~~Code: (336) 889-5000

Virginia	0-19582	56-0751714
(State or Other Jurisdictionof Incorporation)	(Commission File Number)	(IRS EmployerIdentification No.)
500 Old Dominion WayThomasville, North Carolina		27360
(Address of Principal Executive Offices)		(Zip Code)

     Not Applicable

    

~~Registrant’s~~(Former ~~Telephone~~Name ~~Number,~~or ~~Including~~Former ~~Area~~Address, ~~Code:~~if ~~(336)~~Changed ~~889-5000~~Since Last Report)

~~Not~~Check ~~Applicable~~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:

~~(Former~~☐Written ~~Name~~communications orpursuant ~~Former~~to ~~Address,~~Rule if425 ~~Changed~~under ~~Since~~the ~~Last~~Securities ~~Report)~~Act (17 CFR 230.425)

~~Check~~☐Soliciting ~~the~~material ~~appropriate~~pursuant ~~box~~to ~~below~~Rule ~~if the Form 8~~14a-K12 ~~filing is intended to simultaneously satisfy the filing obligation of the registrant~~ under ~~any of~~ the ~~following~~Exchange ~~provisions~~Act (~~see~~17 ~~General~~CFR ~~Instructions A~~240.~~2. below~~14a-12):

☐ ~~Written communications 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~~☐Pre-commencement ~~registered~~communications pursuant to ~~Section~~Rule 1213e-4(bc) ofunder the Exchange Act: (17 CFR 240.13e-4(c))

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock ($0.10 par value)	ODFL	The NASDAQ Stock Market LLC

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

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).


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock ($0.10 par value)	ODFL	The Nasdaq Stock Market LLC

~~Emerging~~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).

IfEmerging ~~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. ☐

~~Item~~If ~~2.02. Results~~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 ~~Operations~~the ~~and~~Exchange ~~Financial~~Act. ~~Condition~~☐

OnItem July 30, 2025, Old Dominion Freight Line, Inc7.01 issuedRegulation aFD press release regarding its financial results for its second quarter of 2025, ended June 30, 2025Disclosure. A copy of this press release is furnished as Exhibit 99.1.

~~Item~~On 9September 4, 2025, Old Dominion Freight Line, Inc.01 issued a press release to provide an update on certain operating metrics for the third quarter of 2025. ~~Financial~~ ~~Statements~~A ~~and~~copy ~~Exhibits~~of this press release is furnished as Exhibit 99.1.

(d)Item 9.01 Financial Statements and Exhibits.

Exhibit No.		Description
99.1		Press Release dated ~~July~~September 304, 2025
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

~~SIGNATURE~~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.

OLD DOMINION FREIGHT LINE, INC. By: /s/ Clayton G. Brinker Clayton G. Brinker Vice President – Accounting and Finance (Principal Accounting Officer)


		OLD DOMINION FREIGHT LINE, INC.

		By:	/s/ Clayton G. Brinker
			Clayton G. Brinker
			Vice President - Accounting and Finance
			(Principal Accounting Officer)
Date:	September 4, 2025

Date: July 30, 2025

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