Brandon J. Olson Reports 6.6% Stake in Black Rock Coffee Bar, Inc. via Spellmeyer Irrevocable Trusts

On May 19, 2026, Brandon J. Olson filed a Schedule 13G/A with the SEC, reporting a 6.6% ownership stake in Black Rock Coffee Bar, Inc. (BRCB). The filing indicates that Mr. Olson beneficially owns 1,415,690 shares of Class A Common Stock. This position is held through two entities: the Jacob V. Spellmeyer 2021 Trust, which holds 658,314 shares, and the Juliet A. Spellmeyer 2021 Trust, which holds 757,376 shares. Mr. Olson serves as the investment advisor for these "Spellmeyer Irrevocable Trusts," granting him sole voting and dispositive power over the securities. The event triggering this amendment occurred on April 17, 2026. The calculated ownership percentage is based on 21,572,893 shares of Class A Common Stock outstanding as of May 11, 2026. Mr. Olson has certified that the shares were not acquired for the purpose of changing or influencing the control of the issuer. This filing represents an increase from a previously reported 0% holding, establishing a significant new position for the filer.