# EDGAR Filing Document

**Accession Number:** 0001763409
**File Stem:** 0001213900-26-059157
**Filing Date:** 2026-5
**Character Count:** 17178
**Document Hash:** 191208d48b52b84554c267bc4412988a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-059157.hdr.sgml**: 20260519

**ACCESSION NUMBER**: 0001213900-26-059157

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260515

**FILED AS OF DATE**: 20260519

**DATE AS OF CHANGE**: 20260519

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Cynosure Group, LLC
- **CENTRAL INDEX KEY:** 0001763409

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** UT
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42844
- **FILM NUMBER:** 261000694

**BUSINESS ADDRESS:**
- **STREET 1:** 111 S. MAIN STREET, SUITE 2350
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84111
- **BUSINESS PHONE:** 8015213500

**MAIL ADDRESS:**
- **STREET 1:** 111 S. MAIN STREET, SUITE 2350
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84111

**FORMER NAME:**
- **FORMER CONFORMED NAME:** Cynosure Management, LLC
- **DATE OF NAME CHANGE:** 20221114

**FORMER NAME:**
- **FORMER CONFORMED NAME:** CYNOSURE MANAGEMENT, LLC
- **DATE OF NAME CHANGE:** 20190103
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Cynosure Partners 2020, LP
- **CENTRAL INDEX KEY:** 0001826569

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42844
- **FILM NUMBER:** 261000693

**BUSINESS ADDRESS:**
- **STREET 1:** 79 SOUTH MAIN STREET, 3RD FLOOR
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84111
- **BUSINESS PHONE:** 801-521-3100

**MAIL ADDRESS:**
- **STREET 1:** 79 SOUTH MAIN STREET, 3RD FLOOR
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84111
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Cynosure Partners 2020 PV, LP
- **CENTRAL INDEX KEY:** 0001840055

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42844
- **FILM NUMBER:** 261000692

**BUSINESS ADDRESS:**
- **STREET 1:** 79 SOUTH MAIN STREET, 3RD FLOOR
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84111
- **BUSINESS PHONE:** 801-521-3100

**MAIL ADDRESS:**
- **STREET 1:** 79 SOUTH MAIN STREET, 3RD FLOOR
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84111
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Cynosure Partners 2020 Co-investment, LLC
- **CENTRAL INDEX KEY:** 0001844090

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42844
- **FILM NUMBER:** 261000691

**BUSINESS ADDRESS:**
- **STREET 1:** 111 S. MAIN STREET, SUITE 2350
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84111
- **BUSINESS PHONE:** 801-521-3100

**MAIL ADDRESS:**
- **STREET 1:** 111 S. MAIN STREET, SUITE 2350
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84111
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Cynosure Partners III, LP
- **CENTRAL INDEX KEY:** 0001951018

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42844
- **FILM NUMBER:** 261000690

**BUSINESS ADDRESS:**
- **STREET 1:** 111 S. MAIN STREET, SUITE 2350
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84111
- **BUSINESS PHONE:** 801-521-3100

**MAIL ADDRESS:**
- **STREET 1:** 111 S. MAIN STREET, SUITE 2350
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84111
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Cynosure Partners III Offshore, LP
- **CENTRAL INDEX KEY:** 0002050077

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42844
- **FILM NUMBER:** 261000689

**BUSINESS ADDRESS:**
- **STREET 1:** 111 S MAIN STREET SUITE 2350
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84111
- **BUSINESS PHONE:** 801-521-3100

**MAIL ADDRESS:**
- **STREET 1:** 111 S MAIN STREET SUITE 2350
- **CITY:** SALT LAKE CITY
- **STATE:** UT
- **ZIP:** 84111
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Black Rock Coffee Bar, Inc.
- **CENTRAL INDEX KEY:** 0002068577
- **STANDARD INDUSTRIAL CLASSIFICATION:** RETAIL-EATING & DRINKING PLACES [5810]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 9170 E. BAHIA DRIVE, SUITE 101
- **CITY:** SCOTTSDALE
- **STATE:** AZ
- **BUSINESS PHONE:** (458) 256-9668

**MAIL ADDRESS:**
- **STREET 1:** 9170 E. BAHIA DRIVE, SUITE 101
- **CITY:** SCOTTSDALE
- **STATE:** AZ

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Cynosure Group, LLC<br><sub>(Last) (First) (Middle)</sub><br>111 S. MAIN STREET, SUITE 2350<br><sub>(Street)</sub><br>SALT LAKE CITY, UT 84111<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-15 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Black Rock Coffee Bar, Inc. [ BRCB ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Cynosure Partners 2020, LP<br><sub>(Last) (First) (Middle)</sub><br>111 S. MAIN STREET, SUITE 2350<br><sub>(Street)</sub><br>SALT LAKE CITY, UT 84111<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-15 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Black Rock Coffee Bar, Inc. [ BRCB ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Cynosure Partners 2020 PV, LP<br><sub>(Last) (First) (Middle)</sub><br>111 S. MAIN STREET, SUITE 2350<br><sub>(Street)</sub><br>SALT LAKE CITY, UT 84111<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-15 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Black Rock Coffee Bar, Inc. [ BRCB ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Cynosure Partners 2020 Co-investment, LLC<br><sub>(Last) (First) (Middle)</sub><br>111 S. MAIN STREET, SUITE 2350<br><sub>(Street)</sub><br>SALT LAKE CITY, UT 84111<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-15 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Black Rock Coffee Bar, Inc. [ BRCB ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Cynosure Partners III, LP<br><sub>(Last) (First) (Middle)</sub><br>111 S. MAIN STREET, SUITE 2350<br><sub>(Street)</sub><br>SALT LAKE CITY, UT 84111<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-15 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Black Rock Coffee Bar, Inc. [ BRCB ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Cynosure Partners III Offshore, LP<br><sub>(Last) (First) (Middle)</sub><br>111 S. MAIN STREET, SUITE 2350<br><sub>(Street)</sub><br>SALT LAKE CITY, UT 84111<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-15 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Black Rock Coffee Bar, Inc. [ BRCB ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class B Common Stock | 2026-05-15 |  | P |  | 12042712 | A | $5.35 | 19915304 | I | See footnote<sup>(1)</sup> |
| Class A Common Stock | 2026-05-15 |  | P |  | 1600000 | A | $5.35 | 1916012 | I | See footnote<sup>(2)</sup> |
| Class B Common Stock | 2026-05-15 |  | J |  | 119892 | D | <sup>(3)</sup> | 19795412 | I | See footnote<sup>(1)</sup> |
| Class A Common Stock | 2026-05-15 |  | C |  | 119892 | A | <sup>(4)</sup> | 2035904 | I | See footnote<sup>(2)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| LLC Units | <sup>(5)</sup> | 2026-05-15 |  | P |  | 12042712 |  | <sup>(5)</sup> | <sup>(5)</sup> | Class A Common Stock | 12042712 | <sup>(5)</sup> | 19915304 | I | See footnote<sup>(1)</sup> |
| LLC Units | <sup>(5)</sup> | 2026-05-15 |  | C |  |  | 119892 | <sup>(4)</sup> | <sup>(4)</sup> | Class A Common Stock | 119892 | <sup>(4)</sup> | 19795412 | I | See footnote<sup>(2)</sup> |

---

### Footnotes:

(1) Consists of (i) 3,514,041 shares of Class B Common Stock held by Cynosure Partners 2020, LP, (ii) 260,660 shares of Class B Common Stock held by Cynosure Partners 2020 PV, LP, (iii) 660,106 shares of Class B Common Stock held by Cynosure Partners 2020 Co-Investment, LLC (for and on behalf Series A members), (iv) 1,247,093 shares of Class B Common Stock held by Cynosure Partners 2020 Co-Investment, LLC (for and on behalf Series B members), and (v) 14,233,404 shares (or 14,113,512 shares, after giving effect to the transaction described in (3) below) of Class B Common Stock held by Cynosure Partners III, LP. The Cynosure Group, LLC, is the manager for, and has sole voting and investment power with respect to, the shares of Class B Common Stock held by each of these entities. Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer held directly by any of the other Reporting Persons except to the extent of their pecuniary interest therein.

(2) Consists of (i) 1,916,012 shares of Class A Common Stock held by Cynosure Partners III Offshore, LP and, after giving effect to the transaction described in (4) below, (ii) 119,892 shares of Class A Common Stock held by Cynosure Partners III, LP. The Cynosure Group, LLC, is the manager for, and has sole voting and investment power with respect to, the shares of Class A Common Stock held by each of these entities. Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer held directly by any of the other Reporting Persons except to the extent of their pecuniary interest therein.

(3) Reflects the cancellation for no consideration of Class B Common Stock in connection with the conversion of LLC Units.

(4) Reflects the conversion of 119,892 LLC Units into Class A Common Stock on a 1-to-1 basis.

(5) 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.

**Remarks:**
Each of the Reporting Persons may be deemed to be a director-by-deputization of the Issuer solely for purposes of Section 16 of the Securities Exchange Act of 1934 by virtue of The Cynosure Group, LLC's current right to nominate an individual to serve on the board of directors of the Issuer (the "Board"), and under which Andrew Braithwaite, a Managing Director of The Cynosure Group, LLC, serves on the Board.

**Signature:** /s/ Andrew Braithwaite, Authorized Signatory  
**Date:** 2026-05-19

**Signature:** /s/ Andrew Braithwaite, Authorized Signatory  
**Date:** 2026-05-19

**Signature:** /s/ Andrew Braithwaite, Authorized Signatory  
**Date:** 2026-05-19

**Signature:** /s/ Andrew Braithwaite, Authorized Signatory  
**Date:** 2026-05-19

**Signature:** /s/ Andrew Braithwaite, Authorized Signatory  
**Date:** 2026-05-19

**Signature:** /s/ Andrew Braithwaite, Authorized Signatory  
**Date:** 2026-05-19

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* 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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**