Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Booth Rodderick Fredrick 2. Issuer Name and Ticker or Trading Symbol Black Rock Coffee Bar, Inc. [BRCB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Financial Officer (Last) (First) (Middle) C/O BLACK ROCK COFFEE BAR, INC., 9170 E. BAHIA DRIVE, SUITE 101 3. Date of Earliest Transaction (Month/Day/Year) 09/11/2025 (Street) SCOTTSDALE, AZ 85260 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 09/11/2025(1) A 37,500 A (2) 37,500 D Class B Common Stock 09/11/2025(1) A 242,300 A (3) 242,300 D Class B Common Stock 09/15/2025 D 107,526 D (4) 134,774 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option

$20

09/11/2025(1)

A

76,219

(5)

09/10/2035

Class A Common Stock

76,219

$ 0

76,219

D

LLC Units

(6)

09/11/2025(1)

A

242,300

(6)

(6)

Class A Common Stock

242,300

(3)

242,300

D

LLC Units

(6)

09/15/2025

D

107,526

(6)

(6)

Class A Common Stock

107,526

$20

134,774

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Booth Rodderick Fredrick C/O BLACK ROCK COFFEE BAR, INC. 9170 E. BAHIA DRIVE, SUITE 101 SCOTTSDALE, AZ 85260			Chief Financial Officer

Signatures

/s/ Sam Seiberling, Attorney-in-Fact		09/15/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	This transaction occurred prior to the Issuer's registration of a class of equity securities under Section 12 of the Securities Exchange Act of 1934, as amended, in connection with the Issuer's initial public offering, and is reported herein pursuant to Rule 16a-2(a).
(2)	Represents an award of restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of Class A Common Stock. The RSUs vest in substantially equal annual installments on each of the first, second, third and fourth anniversaries of the closing of the Issuer's initial public offering.
(3)	Represents an acquisition of LLC Units and a corresponding number of Class B Common Stock in exchange for former ownership interests of Black Rock Coffee Holdings, LLC pursuant to a recapitalization transaction.
(4)	Reflects the cancellation for no consideration of Class B Common Stock in connection with the sale of LLC Units.
(5)	The stock option vests in full on the third anniversary of the closing of the Issuer's initial public offering.
(6)	The LLC Units may be redeemed by the Reporting Person at any time at the option of the holder for shares of Class A Common Stock on a 1-to-1 basis, and a corresponding number of shares of Class B Common Stock will be forfeited in connection with the redemption. The LLC Units have no expiration date.

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