MCW Mister Car Wash Inc

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * SEIFFER JONATHAN A	2. Issuer Name and Ticker or Trading Symbol Mister Car Wash, Inc. [ MCW ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director                    __X__ 10% Owner _____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle) 11111 SANTA MONICA BLVD., SUITE 2000	3. Date of Earliest Transaction (MM/DD/YYYY) 8/26/2021
(Street) LOS ANGELES, CA 90025 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	8/26/2021		S		10566577 (1)	D	$19.42	219213079 (2)	I	See footnote. (3)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:
(1)	Represents shares of Common Stock of the Issuer sold by Green Equity Investors VI, L.P. ("GEI VI"), Green Equity Investors Side VI, L.P. ("GEI Side VI"), LGP Associates VI-A LLC ("Associates VI-A") and LGP Associates VI-B LLC ("Associates VI-B"). Of the shares of Common Stock sold, 6,498,290 were sold by GEI VI, 3,872,972 were sold by GEI Side VI, 15,217 were sold by Associates VI-A, and 180,098 were sold by Associates VI-B.
(2)	Represents the shares of Common Stock of the Issuer owned by GEI VI, GEI Side VI, Associates VI-A, and Associates VI-B. Of the shares of Common Stock reported, 134,812,845 are held by GEI VI, 80,348,253 are held by GEI Side VI, 315,683 are held by Associates VI-A, and 3,736,298 are held by Associates VI-B.
(3)	Mr. Seiffer directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of the shares of Common Stock owned by GEI VI, GEI Side VI, Associates VI-A, and Associates VI-B. Mr. Seiffer disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his pecuniary interest therein and this report shall not be deemed an admission that he is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SEIFFER JONATHAN A 11111 SANTA MONICA BLVD. SUITE 2000 LOS ANGELES, CA 90025	X	X

Signatures
/s/ Andrew C. Goldberg, attorney-in-fact		8/30/2021
**Signature of Reporting Person		Date