X0202 SCHEDULE 13G/A 0001493152-26-014532 0002124267 XXXXXXXX LIVE 1 Class A Common Stock 04/17/2026 0002068577 Black Rock Coffee Bar, Inc. 092244102 9170 E. Bahia Drive Suite 101 Scottsdale AZ 85260 Rule 13d-1(c) Samuel W. Weatherford X1 539732.00 0.00 539732.00 0.00 539732.00 N 2.5 IN Amount in rows 5 and 7 consists of (a) 234,366 shares of Class A Common Stock held by the Bryan D. Pereboom 2021 Trust and (b) 305,366 shares of Class A Common Stock held by the Nicole R. Pereboom 2021 Trust (together with the Bryan D. Pereboom 2021 Trust, the "Pereboom Trusts"). Mr. Weatherford serves as the investment advisor for the Pereboom Trusts. As investment advisor, Mr. Weatherford may be deemed to hold voting and investment power with respect to the shares held by the Pereboom Trusts. Mr. Weatherford disclaims beneficial ownership of the shares held by the Pereboom Trusts except to the extent of his pecuniary interest therein. Percentage in row 11 is based on 21,572,893 shares of Class A Common Stock outstanding as of May 11, 2026. Gordon Scharf X1 0.00 0.00 0.00 0.00 0.00 N 0 IN Black Rock Coffee Bar, Inc. 9170 E. Bahia Drive, Suite 101, Scottsdale, AZ, 85260 Samuel W. Weatherford and Gordon Scharf c/o Black Rock Coffee Bar, Inc. 9170 E. Bahia Drive, Suite 101, Scottsdale, AZ 85260 See Item 4 of each cover page. Y See Item 9 of each cover page. See Item 11 of each cover page. See Item 5 of each cover page. See Item 6 of each cover page. See Item 7 of each cover page. See Item 8 of each cover page. N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Samuel W. Weatherford /s/ Samuel W. Weatherford 05/19/2026 Gordon Scharf /s/ Gordon Scharf 05/19/2026