X0202 SCHEDULE 13G 0002124181 XXXXXXXX LIVE Class A Common Stock 02/25/2026 0002068577 Black Rock Coffee Bar, Inc. 092244102 9170 E. Bahia Drive Suite 101 Scottsdale AZ 85260 Rule 13d-1(c) Brandon J. Olson X1 4320385.00 0.00 4320385.00 0.00 4320385.00 N 19.8 IN Amount in rows 5 and 7 consists of (a) 658,314 membership units ("LLC Units") of Black Rock Coffee Holdings, LLC ("Black Rock OpCo") held by the Jacob V. Spellmeyer 2021 Trust, (b) 757,376 LLC Units held by the Juliet A. Spellmeyer 2021 Trust (together with the Jacob V. Spellmeyer 2021 Trust, the "Spellmeyer Irrevocable Trusts") and (c) 2,904,695 LLC Units held by Vahalda Fuel, LLC. Mr. Olson serves as the investment advisor for the Spellmeyer Irrevocable Trusts and as the manager of Vahalda Fuel, LLC. As investment advisor of the Spellmeyer Irrevocable Trusts and manager of Vahalda Fuel, LLC, Mr. Olson may be deemed to hold voting and investment power with respect to the shares held by the Spellmeyer Irrevocable Trusts and Vahalda Fuel, LLC. Mr. Olson disclaims beneficial ownership of the shares held by the Spellmeyer Irrevocable Trusts and Vahalda Fuel, LLC except to the extent of his pecuniary interest therein. Holders of LLC Units may elect to have Black Rock OpCo redeem their LLC Units for either shares of Class A Common Stock on a one-for-one basis or, at the Black Rock Coffee Bar, Inc.'s (the "Issuer") election (determined solely by the Issuer's independent directors who are disinterested), to effect such transaction as a direct exchange with the relevant holder. Upon any such redemption or exchange of LLC Units, the corresponding shares of Class C Common Stock will be cancelled. The total outstanding shares of Class A Common Stock used in calculating the percent of class assumes the conversion of all of the Reporting Person's LLC Units into Class A Common Stock, resulting in a total of 21,798,837 shares of Class A Common Stock outstanding (which reflects the sum of (i) 17,478,452 shares of Class A Common Stock outstanding as of March 1, 2026 and (ii) 4,320,385 shares of Class A Common Stock issuable upon conversion of the Reporting Person's LLC Units). Black Rock Coffee Bar, Inc. c/o Black Rock Coffee Bar, Inc. 9170 E. Bahia Drive, Suite 101, Scottsdale, AZ 85260 Brandon J. Olson c/o Black Rock Coffee Bar, Inc. 9170 E. Bahia Drive, Suite 101, Scottsdale, AZ 85260 X1 Y 4,320,385 19.8 4,320,385 0 4,320,385 0 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. Brandon J. Olson /s/ Brandon J. Olson 03/26/2026