Form 8-K

8-K — RUSH ENTERPRISES INC \TX\

Accession: 0001437749-26-016733

Filed: 2026-05-13

Period: 2026-05-13

CIK: 0001012019

SIC: 5500 (RETAIL-AUTO DEALERS & GASOLINE STATIONS)

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — rusha20260513_8k.htm (Primary)

EX-99.1 — EXHIBIT 99.1 (ex_962179.htm)

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8-K — FORM 8-K

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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): May 13, 2026

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, $0.01 par value

RUSHA

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 7.01 Regulation FD Disclosure.

From time to time, senior management of Rush Enterprises, Inc. (the “Company”) meets with current and potential investors and business analysts. The Company intends to use the presentation furnished as Exhibit 99.1 to this Current Report on Form 8-K 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 post the Investor Presentation in the “Investor Relations” section of its website at www.rushenterprises.com. The Company reserves the right to discontinue the availability of the Investor Presentation at any time.

The information furnished in this Item 7.01, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, unless the Company specifically states that the information is to be considered “filed” under the Exchange Act or incorporates it by reference into a filing under the Exchange Act or the Securities Act of 1933, as amended.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

99.1

Rush Enterprises, Inc. Investor Presentation

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: May 13, 2026

By:

/s/ Steven L. Keller

Steven L. Keller

Chief Financial Officer and Treasurer

EX-99.1 — EXHIBIT 99.1

EX-99.1

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Exhibit 99.1

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Document And Entity Information

May 13, 2026

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Entity, Tax Identification Number

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Entity, Address, Address Line One

555 IH-35 South, Suite 500

Entity, Address, City or Town

New Braunfels

Entity, Address, State or Province

Entity, Address, Postal Zip Code

78130

City Area Code

830

Local Phone Number

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Trading Symbol

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Security Exchange Name

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ClassBCommonStock001ParValue Custom [Member]

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Security Exchange Name

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