MCW Insider Plans 102,456 Share Sale Following Recent Option Exercise

Rhea-AI Filing Summary

Form 144 Notice of Proposed Sale filed by Mister Car Wash (NASDAQ: MCW) on June 28, 2025, detailing insider stock transactions:

The filing discloses that Joseph Matheny intends to sell 102,456 shares with an aggregate market value of $629,079.84 through Morgan Stanley Smith Barney LLC. The shares were acquired through stock option exercises on June 23, 2025.

Recent trading history shows Matheny's previous sales:

• June 2, 2025: 2,625 shares sold for $17,561.25
• May 13, 2025: 10b5-1 planned sale of 9,000 shares for $71,730.00

The company has 324,826,938 shares outstanding. The seller affirms no knowledge of undisclosed material adverse information regarding MCW's operations. The proposed sale is scheduled for execution on the NASDAQ exchange.

Positive

• None.

Negative

• Insider selling pattern: Multiple sales by Joseph Matheny totaling 114,081 shares worth ~$718,371 across three transactions (including current proposed sale of 102,456 shares), suggesting potential bearish sentiment

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	102456	629079.84	324826938	06/23/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/23/2025	Exercise of Stock Options	Issuer			102456	06/23/2025	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
JOSEPH MATHENY 222 E 5th Street Tucson AZ 85705	Common	06/02/2025	2625	17561.25
10b5-1 Sales for JOSEPH MATHENY 222 E 5th Street Tucson AZ 85705	Common	05/13/2025	9000	71730.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many MCW shares are being sold by insiders according to the June 2023 Form 144?

According to the Form 144 filing, an insider plans to sell 102,456 shares of MCW common stock through Morgan Stanley Smith Barney LLC, with an aggregate market value of $629,079.84.

Who is selling MCW shares in this Form 144 filing and what is their recent trading history?

Joseph Matheny is the seller in this Form 144 filing. His recent trading history shows two previous sales: 2,625 shares sold on June 2, 2025 for $17,561.25, and 9,000 shares sold on May 13, 2025 for $71,730.00 under a 10b5-1 plan.

How did the MCW insider acquire the shares being sold in this Form 144?

The shares were acquired through the exercise of stock options from the issuer on June 23, 2025. The acquisition involved 102,456 shares and was paid for in cash on the same date.

What is MCW's total shares outstanding according to the Form 144?

According to the Form 144 filing, Mister Car Wash (MCW) has 324,826,938 shares outstanding.

When does the MCW insider plan to execute the stock sale?

The Form 144 indicates the approximate date of sale is June 23, 2025, and the shares will be sold on the NASDAQ exchange.