UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

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

Date of Report (Date of earliest event reported): ~~October~~November 2914, 2025

Rush Enterprises, Inc.

(Exact name of registrant as specified in its charter)

Texas (State or other jurisdiction of incorporation)	0-20797 (Commission File Number)	74-1733016 (IRS Employer Identification No.)

555 IH-35 South, Suite 500 New Braunfels, Texas (Address of principal executive offices)		78130 (Zip Code)

Registrant’s telephone number, including area code: (830) 302-5200

Not Applicable

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

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 (see General Instruction A.2. below):

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Class A Common Stock, par value $0.01 per share	RUSHA	Nasdaq Global Select Market
Class A Common Stock, $0.01 par value	RUSHA	NASDAQ Global Select Market
Class B Common Stock, par value $0.01 per share	RUSHB	Nasdaq Global Select Market
Class B Common Stock, $0.01 par value	RUSHB	NASDAQ Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

Emerging growth company ☐

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. ☐

Item 2.02 Results of Operations and Financial Condition.

On October 29, 2025, Rush Enterprises, Inc. (the “Company”) issued a press release announcing the Company’s financial results for its third quarter ended September 30, 2025 (the “Earnings Press Release”). A copy of the Earnings Press Release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 7.01 Regulation FD Disclosure.

~~The~~From ~~Earnings~~time ~~Press~~to ~~Release~~time, ~~also~~senior ~~announced~~management ~~that~~of Rush Enterprises, Inc. (the “Company’s”) ~~Board~~meets ofwith ~~Directors~~current ~~declared~~and apotential ~~quarterly~~investors ~~cash~~and ~~dividend~~business ~~of $0~~analysts.19 ~~per~~The ~~share~~Company ofintends ~~Class~~to Ause ~~and~~the ~~Class~~presentation Bfurnished ~~common~~as ~~stock,~~Exhibit 99.1 to bethis ~~paid~~Current Report on ~~December~~Form ~~12,~~8-K ~~2025~~and incorporated into this Item 7.01 by reference (the “Investor Presentation”), at these meetings over the next couple of months. The Company intends to ~~all~~post ~~shareholders~~the Investor Presentation in the “Investor Relations” section of ~~record~~its aswebsite at www.rushenterprises.com. The Company reserves the right to discontinue the availability of ~~November~~the ~~12,~~Investor ~~2025~~Presentation at any time.

The information furnished in this ~~Current Report on Form 8-K (including the exhibit attached hereto) is being furnished under~~ Item 27.0201, ~~and~~including ~~Item~~Exhibit 799.011, ~~and~~ shall not be deemed to be “filed” for ~~the~~ purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the ~~liability~~liabilities of ~~such~~that section, ~~nor~~unless ~~shall~~the itCompany bespecifically ~~deemed~~states ~~incorporated~~that bythe ~~reference~~information inis ~~any~~to ~~filing~~be considered “filed” under the ~~Securities~~Exchange Act ofor ~~1933,~~incorporates asit ~~amended,~~by orreference ~~the~~into ~~Exchange~~a ~~Act,~~filing ~~except~~under asthe ~~shall~~Exchange beAct ~~expressly~~or ~~set~~the ~~forth~~Securities byAct ~~specific~~of ~~reference~~1933, inas ~~any such filing~~amended.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

~~Exhibit~~99.1 NoRush Enterprises, Inc. ~~Description~~ Investor Presentation

~~99.1 Rush Enterprises, Inc. press release dated October 29, 2025.~~ 104 Cover Page Interactive Data File (formatted in Inline XBRL).

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.

	RUSH ENTERPRISES, INC.
Dated: October 29, 2025	By:	/s/ Steven L. Keller
Dated: November 14, 2025	By:	/s/ Steven L. Keller
		Steven L. Keller
		Chief Financial Officer and Treasurer

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