{"transactions":[{"id":772677,"issuer":{"id":6297,"kind":"organization","name":"Black Rock Coffee Bar, Inc."},"owners":[{"id":46054,"kind":"person","name":"Cynosure Group, LLC","position":1,"cik":"0001763409","reported_name":"Cynosure Group, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46055,"kind":"person","name":"Cynosure Partners 2020, LP","position":2,"cik":"0001826569","reported_name":"Cynosure Partners 2020, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46056,"kind":"person","name":"Cynosure Partners 2020 PV, LP","position":3,"cik":"0001840055","reported_name":"Cynosure Partners 2020 PV, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46057,"kind":"person","name":"Cynosure Partners 2020 Co-investment, LLC","position":4,"cik":"0001844090","reported_name":"Cynosure Partners 2020 Co-investment, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46058,"kind":"person","name":"Cynosure Partners III, LP","position":5,"cik":"0001951018","reported_name":"Cynosure Partners III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46059,"kind":"person","name":"Cynosure Partners III Offshore, LP","position":6,"cik":"0002050077","reported_name":"Cynosure Partners III Offshore, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units","published_at":"2026-05-19T21:59:22.000Z","date":"2026-05-15","kind":"exercise","planned":false,"acquired":false,"shares":119892,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Reflects the conversion of 119,892 LLC Units into Class A Common Stock on a 1-to-1 basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Reflects the conversion of 119,892 LLC Units into Class A Common Stock on a 1-to-1 basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Reflects the conversion of 119,892 LLC Units into Class A Common Stock on a 1-to-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"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."}],"balance_after":19795412,"derivative":{"underlying":"Class A Common Stock","underlying_shares":119892},"source":{"system":"sec-edgar","filing":"0001213900-26-059157","document":"marketforms-73204.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/2050077/000121390026059157/marketforms-73204.xml","form_type":"4"}},{"id":772676,"issuer":{"id":6297,"kind":"organization","name":"Black Rock Coffee Bar, Inc."},"owners":[{"id":46054,"kind":"person","name":"Cynosure Group, LLC","position":1,"cik":"0001763409","reported_name":"Cynosure Group, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46055,"kind":"person","name":"Cynosure Partners 2020, LP","position":2,"cik":"0001826569","reported_name":"Cynosure Partners 2020, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46056,"kind":"person","name":"Cynosure Partners 2020 PV, LP","position":3,"cik":"0001840055","reported_name":"Cynosure Partners 2020 PV, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46057,"kind":"person","name":"Cynosure Partners 2020 Co-investment, LLC","position":4,"cik":"0001844090","reported_name":"Cynosure Partners 2020 Co-investment, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46058,"kind":"person","name":"Cynosure Partners III, LP","position":5,"cik":"0001951018","reported_name":"Cynosure Partners III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46059,"kind":"person","name":"Cynosure Partners III Offshore, LP","position":6,"cik":"0002050077","reported_name":"Cynosure Partners III Offshore, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units","published_at":"2026-05-19T21:59:22.000Z","date":"2026-05-15","kind":"purchase","planned":false,"acquired":true,"shares":12042712,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"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."}],"balance_after":19915304,"derivative":{"underlying":"Class A Common Stock","underlying_shares":12042712},"source":{"system":"sec-edgar","filing":"0001213900-26-059157","document":"marketforms-73204.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/2050077/000121390026059157/marketforms-73204.xml","form_type":"4"}},{"id":772675,"issuer":{"id":6297,"kind":"organization","name":"Black Rock Coffee Bar, Inc."},"owners":[{"id":46054,"kind":"person","name":"Cynosure Group, LLC","position":1,"cik":"0001763409","reported_name":"Cynosure Group, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46055,"kind":"person","name":"Cynosure Partners 2020, LP","position":2,"cik":"0001826569","reported_name":"Cynosure Partners 2020, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46056,"kind":"person","name":"Cynosure Partners 2020 PV, LP","position":3,"cik":"0001840055","reported_name":"Cynosure Partners 2020 PV, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46057,"kind":"person","name":"Cynosure Partners 2020 Co-investment, LLC","position":4,"cik":"0001844090","reported_name":"Cynosure Partners 2020 Co-investment, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46058,"kind":"person","name":"Cynosure Partners III, LP","position":5,"cik":"0001951018","reported_name":"Cynosure Partners III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46059,"kind":"person","name":"Cynosure Partners III Offshore, LP","position":6,"cik":"0002050077","reported_name":"Cynosure Partners III Offshore, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-05-19T21:59:22.000Z","date":"2026-05-15","kind":"exercise","planned":false,"acquired":true,"shares":119892,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Reflects the conversion of 119,892 LLC Units into Class A Common Stock on a 1-to-1 basis."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"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."}],"balance_after":2035904,"source":{"system":"sec-edgar","filing":"0001213900-26-059157","document":"marketforms-73204.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2050077/000121390026059157/marketforms-73204.xml","form_type":"4"}},{"id":772674,"issuer":{"id":6297,"kind":"organization","name":"Black Rock Coffee Bar, Inc."},"owners":[{"id":46054,"kind":"person","name":"Cynosure Group, LLC","position":1,"cik":"0001763409","reported_name":"Cynosure Group, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46055,"kind":"person","name":"Cynosure Partners 2020, LP","position":2,"cik":"0001826569","reported_name":"Cynosure Partners 2020, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46056,"kind":"person","name":"Cynosure Partners 2020 PV, LP","position":3,"cik":"0001840055","reported_name":"Cynosure Partners 2020 PV, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46057,"kind":"person","name":"Cynosure Partners 2020 Co-investment, LLC","position":4,"cik":"0001844090","reported_name":"Cynosure Partners 2020 Co-investment, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46058,"kind":"person","name":"Cynosure Partners III, LP","position":5,"cik":"0001951018","reported_name":"Cynosure Partners III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46059,"kind":"person","name":"Cynosure Partners III Offshore, LP","position":6,"cik":"0002050077","reported_name":"Cynosure Partners III Offshore, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-05-19T21:59:22.000Z","date":"2026-05-15","kind":"other","planned":false,"acquired":false,"shares":119892,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Reflects the cancellation for no consideration of Class B Common Stock in connection with the conversion of LLC Units."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"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."}],"balance_after":19795412,"source":{"system":"sec-edgar","filing":"0001213900-26-059157","document":"marketforms-73204.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2050077/000121390026059157/marketforms-73204.xml","form_type":"4"}},{"id":772673,"issuer":{"id":6297,"kind":"organization","name":"Black Rock Coffee Bar, Inc."},"owners":[{"id":46054,"kind":"person","name":"Cynosure Group, LLC","position":1,"cik":"0001763409","reported_name":"Cynosure Group, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46055,"kind":"person","name":"Cynosure Partners 2020, LP","position":2,"cik":"0001826569","reported_name":"Cynosure Partners 2020, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46056,"kind":"person","name":"Cynosure Partners 2020 PV, LP","position":3,"cik":"0001840055","reported_name":"Cynosure Partners 2020 PV, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46057,"kind":"person","name":"Cynosure Partners 2020 Co-investment, LLC","position":4,"cik":"0001844090","reported_name":"Cynosure Partners 2020 Co-investment, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46058,"kind":"person","name":"Cynosure Partners III, LP","position":5,"cik":"0001951018","reported_name":"Cynosure Partners III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46059,"kind":"person","name":"Cynosure Partners III Offshore, LP","position":6,"cik":"0002050077","reported_name":"Cynosure Partners III Offshore, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2026-05-19T21:59:22.000Z","date":"2026-05-15","kind":"purchase","planned":false,"acquired":true,"shares":1600000,"price":5.35,"value":8560000.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"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."}],"balance_after":1916012,"source":{"system":"sec-edgar","filing":"0001213900-26-059157","document":"marketforms-73204.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2050077/000121390026059157/marketforms-73204.xml","form_type":"4"}},{"id":772672,"issuer":{"id":6297,"kind":"organization","name":"Black Rock Coffee Bar, Inc."},"owners":[{"id":46054,"kind":"person","name":"Cynosure Group, LLC","position":1,"cik":"0001763409","reported_name":"Cynosure Group, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46055,"kind":"person","name":"Cynosure Partners 2020, LP","position":2,"cik":"0001826569","reported_name":"Cynosure Partners 2020, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46056,"kind":"person","name":"Cynosure Partners 2020 PV, LP","position":3,"cik":"0001840055","reported_name":"Cynosure Partners 2020 PV, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46057,"kind":"person","name":"Cynosure Partners 2020 Co-investment, LLC","position":4,"cik":"0001844090","reported_name":"Cynosure Partners 2020 Co-investment, LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46058,"kind":"person","name":"Cynosure Partners III, LP","position":5,"cik":"0001951018","reported_name":"Cynosure Partners III, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":46059,"kind":"person","name":"Cynosure Partners III Offshore, LP","position":6,"cik":"0002050077","reported_name":"Cynosure Partners III Offshore, LP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2026-05-19T21:59:22.000Z","date":"2026-05-15","kind":"purchase","planned":false,"acquired":true,"shares":12042712,"price":5.35,"value":64428509.2,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"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."}],"balance_after":19915304,"source":{"system":"sec-edgar","filing":"0001213900-26-059157","document":"marketforms-73204.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2050077/000121390026059157/marketforms-73204.xml","form_type":"4"}}]}