X0609 4 2026-05-19 true 0001853513 Mister Car Wash, Inc. MCW 0001255947 TAYLOR JODI false C/O MISTER CAR WASH, INC. 222 E. 5TH STREET TUCSON AZ 85705 true false false false false Common Stock 2026-05-19 4 M false 14144 A 51076 D Common Stock 2026-05-19 4 D false 51076 D 0 D Restricted Stock Units 2026-05-19 4 M false 14144 D Common Stock 14144 0 D In connection with the terms of an Agreement and Plan of Merger, dated February 17, 2026 (the "Merger Agreement"), by and among the Issuer, MCW Parent, LP ("Parent"), Boson Merger Sub, Inc., a wholly owned subsidiary of Parent ("Merger Sub"), and, solely for purposes of certain provisions in the Merger Agreement, Mister Car Wash Holdings, Inc., a wholly owned subsidiary of the Issuer, Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving corporation (the "Merger"). At the effective time of the Merger (the "Effective Time"), each outstanding share of Common Stock (other than certain shares described in the Merger Agreement) was cancelled and automatically converted into the right to receive $7.00 in cash, without interest (the "Merger Consideration"). At the Effective Time, each outstanding restricted stock unit fully vested, was cancelled, and converted into the right to receive a lump sum cash payment, without interest, equal to the product of (i) the Merger Consideration multiplied by (ii) the number of shares of Common Stock subject to such award of restricted stock unit. /s/ Michelle Krall, as Attorney-in-Fact for Jodi Taylor 2026-05-19