# EDGAR Filing Document

**Accession Number:** 0001012019
**File Stem:** 0001437749-26-008698
**Filing Date:** 2026-3
**Character Count:** 7690
**Document Hash:** cae95100506756d25752dd486e99c5f6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001437749-26-008698.hdr.sgml**: 20260317

**ACCESSION NUMBER**: 0001437749-26-008698

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260313

**FILED AS OF DATE**: 20260317

**DATE AS OF CHANGE**: 20260317

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** RUSH WILLIAM M RUSTY
- **CENTRAL INDEX KEY:** 0001211953

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-20797
- **FILM NUMBER:** 26764346

**MAIL ADDRESS:**
- **STREET 1:** C/O RUSH ENTERPRISES INC
- **STREET 2:** 555 IH 35 S.
- **CITY:** NEW BRAUFELS
- **STATE:** TX
- **ZIP:** 78130
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RUSH ENTERPRISES INC \TX\
- **CENTRAL INDEX KEY:** 0001012019
- **STANDARD INDUSTRIAL CLASSIFICATION:** RETAIL-AUTO DEALERS & GASOLINE STATIONS [5500]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 741733016
- **STATE OF INCORPORATION:** TX
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 555 IH 35 SOUTH
- **CITY:** NEW BRAUNFELS
- **STATE:** TX
- **ZIP:** 78130
- **BUSINESS PHONE:** 8306265200

**MAIL ADDRESS:**
- **STREET 1:** 555 IH 35 SOUTH
- **CITY:** NEW BRAUNFELS
- **STATE:** TX
- **ZIP:** 78130

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>RUSH WILLIAM M RUSTY<br><sub>(Last) (First) (Middle)</sub><br>555 IH 35 SOUTH, SUITE 500<br><sub>(Street)</sub><br>NEW BRAUNFELS, TX 78130<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-13 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_CEO, President and COB_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>RUSH ENTERPRISES INC \TX\ [ RUSHA ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class B Common Stock | 2026-03-13 |  | A |  | 50000<sup>(1)</sup> | A | $0 | 853344<sup>(2)</sup> | D |  |
| Class B Common Stock | 2026-03-15 |  | F |  | 13773<sup>(3)</sup> | D | 59.69<sup>(4)</sup> | 839571<sup>(2)</sup> | D |  |
| Class B Common Stock | 2026-03-15 |  | F |  | 9182<sup>(5)</sup> | D | 59.69<sup>(4)</sup> | 830389<sup>(2)</sup> | D |  |
| Class B Common Stock | 2026-03-14 |  | F |  | 9182<sup>(6)</sup> | D | 59.69<sup>(4)</sup> | 821207<sup>(2)</sup> | D |  |
| Class A Common Stock |  |  |  |  |  |  |  | 174154.50<sup>(7)</sup> | D |  |
| Class B Common Stock |  |  |  |  |  |  |  | 6612102 | I | By 3MR Partners, L.P. |
| Class A Common Stock |  |  |  |  |  |  |  | 6184.50 | I | By 3MR Partners, L.P. |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Option (right to buy) | $61.75 | 2026-03-13 |  | A |  | 35000 |  | <sup>(8)</sup> | 2036-03-13 | Class A Common Stock | 35000 | $0 | 35000 | D |  |

---

### Footnotes:

(1) Reflects the grant of restricted stock. The restricted stock vests in increments of 1/3 on each of the first, second and third anniversary of the grant date, which is March 13, 2026.

(2) Includes shares of unvested restricted stock and certain shares included in the Company's deferred compensation plan.

(3) Shares reported are shares not reported to the reporting person in order to satisfy the reporting person's tax obligations with respect to vesting associated with the grant of restricted stock that occurred on March 15, 2023.

(4) The price reported was the closing share price on March 13, 2026.

(5) Shares reported are shares not reported to the reporting person in order to satisfy the reporting person's tax obligations with respect to vesting associated with the grant of restricted stock that occurred on March 15, 2024.

(6) Shares reported are shares not reported to the reporting person in order to satisfy the reporting person's tax obligations with respect to vesting associated with the grant of restricted stock that occurred on March 14, 2025.

(7) Includes certain shares included in the Company's deferred compensation plan.

(8) Options may be exercised in increments of 1/3 on each anniversary of the grant date beginning on the third anniversary of the grant date.  The grant date is ten years prior to the expiration date.

**Signature:** /s/ Steven L. Keller, Attorney in Fact for W.M. "Rusty" Rush  
**Date:** 2026-03-17

### Remarks:

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.**