# EDGAR Filing Document

**Accession Number:** 0001853513
**File Stem:** 0000950170-25-081255
**Filing Date:** 2025-6
**Character Count:** 11914
**Document Hash:** ba2932d3a2d0b85b6de4ba5d3a2509cf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950170-25-081255.hdr.sgml**: 20250603

**ACCESSION NUMBER**: 0000950170-25-081255

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250601

**FILED AS OF DATE**: 20250603

**DATE AS OF CHANGE**: 20250603

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Matheny Joseph Duane
- **CENTRAL INDEX KEY:** 0001865480

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40542
- **FILM NUMBER:** 251021512

**MAIL ADDRESS:**
- **STREET 1:** C/O MISTER CAR WASH, INC.
- **STREET 2:** 222 E 5TH STREET
- **CITY:** TUCSON
- **STATE:** AZ
- **ZIP:** 85705
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Mister Car Wash, Inc.
- **CENTRAL INDEX KEY:** 0001853513
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-AUTOMOTIVE REPAIR, SERVICES & PARKING [7500]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 222 E. 5TH STREET
- **CITY:** TUCSON
- **STATE:** AZ
- **ZIP:** 85705
- **BUSINESS PHONE:** 520-615-4000

**MAIL ADDRESS:**
- **STREET 1:** 222 E. 5TH STREET
- **CITY:** TUCSON
- **STATE:** AZ
- **ZIP:** 85705

## Ex-24

**POWER OF ATTORNEY**

With respect to holdings of and transactions in securities issued by Mister Car Wash, Inc. (the "***Company***"), the undersigned hereby constitutes and appoints the individuals named on <u>Schedule A</u> attached hereto and as may be amended from time to time, or any of them signing singly, with full power of substitution and resubstitution, to act as the undersigned's true and lawful attorney-in-fact to:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.prepare, execute in the undersigned's name and on the undersigned's behalf, and submit to the United States Securities and Exchange Commission (the "***SEC***") a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain and/or regenerate codes and passwords enabling the undersigned to make electronic filings with the SEC of reports required by Section 16(a) of the Securities Exchange Act of 1934, as amended, or any rule or regulation of the SEC;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.execute for and on behalf of the undersigned, Forms 3, 4, and 5 in accordance with Section 16 of the Securities Exchange Act of 1934, as amended, and the rules thereunder;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form 3, 4, or 5, complete and execute any amendment or amendments thereto, and timely file such form with the SEC and any stock exchange or similar authority; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution and resubstitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorneys-in-fact substitute or substitutes, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers herein granted.

The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934, as amended.

This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

Upon execution of this Power of Attorney by the undersigned, any prior Power of Attorney granted by the undersigned in relation to the matters set forth in items 1-4 above, inclusive, with respect to the Company shall be and is hereby revoked.

------

<br> IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this <u>21st</u> day of May, 2025.

Signature: <u>/s/ Joseph Duane Matheny</u> 

Print Name: <u>Joseph Duane Matheny</u> 

**<u>Schedule A</u>** 

Individuals Appointed as Attorney-in-Fact with Full Power of Substitution and Resubstitution

Jed Gold

Mary Porter

Michelle Krall

------

### 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>Matheny Joseph Duane<br><sub>(Last) (First) (Middle)</sub><br>C/O MISTER CAR WASH, INC.<br>222 E. 5TH STREET<br><sub>(Street)</sub><br>TUCSON, AZ 85705<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-01 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Innovation Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Mister Car Wash, Inc. [ MCW ] | **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 |
| Common Stock | 2025-06-01 |  | M |  | 5926 | A | $0 | 90821 | D |  |
| Common Stock | 2025-06-02 |  | S |  | 2625<sup>(1)</sup> | D | 6.69<sup>(2)</sup> | 88196 | D |  |
| Common Stock |  |  |  |  |  |  |  | 45000 | I | Emersyn Matheny Irrevocable Trust |

---

## 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 |
| Restricted Stock Unit | <sup>(3)</sup> | 2025-06-01 |  | A |  | 17655 |  | <sup>(4)</sup> | <sup>(5)</sup> | Common Stock | 17655 | $0 | 17655 | D |  |
| Restricted Stock Units | <sup>(3)</sup> | 2025-06-01 |  | M |  |  | 5926 | <sup>(6)</sup> | <sup>(5)</sup> | Common Stock | 5926 | $0 | 11854 | D |  |
| Stock Option (Right to Buy) | $7.08 | 2025-06-02 |  | A |  | 35112 |  | <sup>(7)</sup> | 2035-06-01 | Common Stock | 35112 | $0 | 35112 | D |  |

---

### Footnotes:

(1) The sales reported on this Form 4 represent shares automatically sold in a non-discretionary transaction to cover taxes and fees in connection with the vesting and settlement of restricted stock unit awards.

(2) The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions ranging from $6.63 to $6.69.  The Reporting Person undertakes to provide 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 the range set forth in this footnote.

(3) Each Restricted Stock Unit ("RSU") represents a contingent right to recieve one share of the Issuer's common stock upon vesting.

(4) Represents an award of Restricted Stock Units ("RSUs"), which will vest in three equal installments beginning on June 1, 2026, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.  The RSUs will be settled in shares of the Issuer's common stock upon vesting.

(5) The RSUs do not have an expiration date.

(6) Represents an award of RSUs which vest in three equal annual installments beginning on June 1, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.  The RSUs will be settled in shares of the Issuer's common stock upon vesting.

(7) The option vests and becomes exercisable in three equal annual installments beginning on June 1, 2026, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

**Signature:** Michelle Krall, as Attorney-in-Fact for Joseph Matheny  
**Date:** 2025-06-03

### 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.**