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SCHEDULE 13D Filed 2026-05-21 Event 2026-05-15 SEC 0001763409-26-000001 →

Cynosure Group, LLC Black Rock Coffee Bar, Inc. BRCB

Stake: 52.60% Shares: 21,831,316 CUSIP: 092244102 Class: Class A Common Stock, par value $0.00001 per share

Item 4 — Purpose of Transaction

The Reporting Persons acquired the securities reported herein for investment purposes. The Reporting Persons may have influence over the corporate activities of the Issuer, including activities that may relate to items described in subparagraphs (a) through (j) of Item 4 of Schedule 13D. The Reporting Persons have certain rights under the Issuer's Amended and Restated Certificate of Formation, which are described in Item 6 and incorporated by reference herein. The Reporting Persons have designated Andrew Braithwaite, a Managing Director of The Cynosure Group, LLC, as the Cynosure Nominee, and in such capacity, he may have influence over the corporate activities of the Issuer. Representatives of the Reporting Persons expect to conduct discussions from time to time with management of the Issuer, other stockholders of the Issuer or other relevant parties that may include matters relating to the financial condition, strategy, business, assets, operations, capital structure and strategic plans of the Issuer. In addition to the foregoing, the Reporting Persons may engage the Issuer, other stockholders of the Issuer or other relevant parties in discussions that may include one or more of the other actions described in subsections (a) through (j) of Item 4 of Schedule 13D. The Reporting Persons expect that they will continuously review their investment position in the common stock or the Company and may, depending on the Company's performance and other market conditions, increase or decrease their investment position in the common stock. The Reporting Persons may, from time to time, make additional purchases of common stock either in the open market or in privately-negotiated transactions, depending upon the Reporting Persons' evaluation of the Company's business, prospects and financial condition, the market for the common stock, other opportunities available to the Reporting Persons, general economic conditions, stock market conditions and other factors. Depending upon the factors noted above, the Reporting Persons may also decide to hold or dispose of all or part of their investments in the common stock and/or enter into derivative transactions with institutional counterparties with respect to the Company's securities, including the common stock. Except as set forth in this Item 4 or Item 6 below, the Reporting Persons have no present plans or proposals that relate to, or that would result in, any of the actions specified in clauses (a) through (j) of Item 4 of Schedule 13D of the Exchange Act.

Cross-References

Insider Activity (last 365d)
44 transactions
21 buys · 4 sales · 6 awards/exercises
Issuer Cluster
4 13D/G filings on this issuer
3 other filings besides this one
Filer Track Record
2 filings by this filer
1 other filing in the data moat
Short Interest · settle 2026-07-31
DTC 5.31
1,298,501 shares short · -4.2% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
2 holders · $30.00M
Point72 Asset MgmtSoros Fund Management

Post-Filing Returns · since 2026-05-15 on BRCB

+1 day
0.0%
+5 days
0.0%
+30 days
0.0%
+60 days
+4.0%
+90 days
+180 days

Anchor price 7.72 on closest trading day on/after 2026-05-15. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-05-22 Geyer Clay Howard officer Buy 925 $6.86 $6K
2026-05-21 Geyer Clay Howard officer Buy 45,080 $6.51 $293K
2026-05-20 Schmidt Michael Ryan officer Buy 7,100 $6.98 $50K
2026-05-20 Wegener-Beyer Jessica Michele officer Buy 3,098.324 $6.46 $20K
2026-05-15 Hernandez Jeffrey Robert director Sale 5,809,391
2026-05-15 Brand Daniel Jordan director Sale 5,809,391
2026-05-15 Viking Cake BR, LLC Sale 5,809,391
2026-05-15 Cynosure Group, LLC director, 10%+ owner Buy 12,042,712 $5.35 $64.43M
2026-05-15 Cynosure Group, LLC director, 10%+ owner Buy 1,600,000 $5.35 $8.56M
2026-05-15 Cynosure Group, LLC director, 10%+ owner J 119,892
2026-05-15 Cynosure Group, LLC director, 10%+ owner C 119,892
2026-05-15 Cynosure Group, LLC director, 10%+ owner Buy 12,042,712
2026-05-14 Vingo Jon Patrick Jr. officer Award 52,374
2026-05-14 Vingo Jon Patrick Jr. officer Award 95,240 $7.16 $682K
2026-03-20 Hernandez Jeffrey Robert director, 10%+ owner J 5,809,390
2026-03-20 Viking Cake Fuel, LLC 10%+ owner J 5,809,390
2026-03-20 Brand Daniel Jordan director, 10%+ owner J 5,809,390
2026-03-20 Pereboom Bryan Douglas 10%+ owner J 5,809,390
2026-03-20 Spellmeyer Jacob Virgil 10%+ owner J 5,809,390
2026-03-20 Viking Cake BR, LLC 10%+ owner J 5,809,390
2026-03-11 Wegener-Beyer Jessica Michele officer Gift 27,544
2026-03-11 Wegener-Beyer Jessica Michele officer Gift 27,544
2025-12-28 Pereboom Bryan Douglas director, 10%+ owner Gift 71,000
2025-12-28 Spellmeyer Jacob Virgil director, 10%+ owner Gift 99,062
2025-12-28 Brand Daniel Jordan director, 10%+ owner Gift 125,097
Showing 25 of 44

Other 13D/G Filings on Black Rock Coffee Bar, Inc.

FiledFormFilerStakeShares
2026-05-22 SCHEDULE 13D/A Cynosure Group, LLC 52.60% 21,831,316 view →
2026-05-19 SCHEDULE 13D/A Viking Cake BR, LLC 14.80% 0 view →
2026-04-09 SCHEDULE 13D/A Viking Cake BR, LLC 24.90% 5,809,391 view →

Other Filings by Cynosure Group, LLC

FiledFormIssuerStakeShares
2026-05-22 SCHEDULE 13D/A Black Rock Coffee Bar, Inc. BRCB 52.60% 21,831,316 view →

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