X0202 SCHEDULE 13D/A 0001493152-25-028763 0002083841 XXXXXXXX LIVE 3 Class A Common Stock 03/06/2026 false 0002068577 092244102 Black Rock Coffee Bar, Inc.

9170 E. Bahia Drive, Suite 101 Scottsdale AZ 85260

c/o Viking Cake BR, LLC 503-970-3376 18625 Macalpine Loop Bend OR 97702 0002083841 N Viking Cake BR, LLC OO N DE 5809391.00 0.00 5809391.00 0.00 5809391.00 N 24.9 OO Amount in rows 7 and 9 consists of membership units ("LLC Units") of Black Rock Coffee Holdings, LLC ("Black Rock OpCo") and an equal number of shares of Class C Common Stock of Black Rock Coffee Bar, Inc. (the "Issuer") held by Viking Cake Fuel, LLC, which is a wholly owned subsidiary of Viking Cake BR, LLC. 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 Issuer's 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 23,287,843 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) 5,809,391 shares of Class A Common Stock issuable upon conversion of the Reporting Person's LLC Units). 0002084799 N Viking Cake Fuel, LLC OO N DE 5809391.00 0.00 5809391.00 0.00 5809391.00 N 24.9 OO Amount in rows 7 and 9 consists of LLC Units of Black Rock OpCo and an equal number of shares of Class C Common Stock of the Issuer held by Viking Cake Fuel, LLC. 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 Issuer's 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 23,287,843 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) 5,809,391 shares of Class A Common Stock issuable upon conversion of the Reporting Person's LLC Units). 0002079952 N Daniel Brand OO N X1 5809391.00 0.00 5809391.00 0.00 5809391.00 N 24.9 IN Amount in rows 7 and 9 consists of LLC Units held by Viking Cake Fuel, LLC, which is a wholly owned subsidiary of Viking Cake BR, LLC (collectively, "Viking Cake"). Mr. Brand disclaims beneficial ownership of the shares held by Viking Cake except to the extent of his pecuniary interest therein. On March 6, 2026, Mr. Brand was removed as the investment advisor for the Jeffrey R. Hernandez 2021 Trust and the Tiffany S. Hernandez 2021 Trust. As a result of the removal, Mr. Brand no longer holds voting or investment power with respect to the shares held by the Jeffrey R. Hernandez 2021 Trust or the Tiffany S. Hernandez 2021 Trust. 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 Issuer's 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 23,287,843 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) 5,809,391 shares of Class A Common Stock issuable upon conversion of the Reporting Person's LLC Units). 0002083544 N Jeffrey Hernandez OO N X1 5809391.00 0.00 5809391.00 0.00 5809391.00 N 24.9 IN Amount in rows 7 and 9 consists of LLC Units of Black Rock OpCo and an equal number of shares of Class C Common Stock of the Issuer held by Viking Cake. Viking Cake BR, LLC's managers are Jeffrey Hernandez and Daniel Brand. As a result, Messrs. Hernandez and Brand may be deemed to hold voting and investment power with respect to the shares held by Viking Cake BR, LLC. 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 Issuer's 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. Mr. Hernandez disclaims beneficial ownership of the shares held by Viking Cake BR, LLC except to the extent of his pecuniary interest therein. 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 23,287,843 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) 5,809,391 shares of Class A Common Stock issuable upon conversion of the Reporting Person's LLC Units. Class A Common Stock Black Rock Coffee Bar, Inc. 9170 E. Bahia Drive, Suite 101 Scottsdale AZ 85260 This Amendment No. 3 to the statement on Schedule 13D (this "Amendment") amends the Schedule 13D originally filed with the Securities and Exchange Commission on December 22, 2025, as amended by Amendment No. 1 filed on December 30, 2025 and Amendment No. 2 filed on March 24, 2026 (as so amended prior to the date hereof, the "Original Schedule 13D" and, as amended by this Amendment, the "Schedule 13D"). Capitalized terms used in this Amendment and not otherwise defined herein shall have the same meanings ascribed to them in the Original Schedule 13D. Except as otherwise provided herein, each Item of the Original Schedule 13D remains unchanged. See Items 11 and 13 of each cover page. See Items 7, 8, 9 and 10 of each cover page. Except as set forth in Item 4 of this Amendment, which information is incorporated by reference into this Item 5(c), the Reporting Persons have not effected any transactions of the Class A Common Stock during the 60 days preceding the date of this report. Viking Cake BR, LLC /s/ Daniel Brand 04/09/2026 Viking Cake Fuel, LLC /s/ Jeffrey Hernandez 04/09/2026 Daniel Brand /s/ Daniel Brand 04/09/2026 Jeffrey Hernandez /s/ Jeffrey Hernandez 04/09/2026