San Francisco, California--(Newsfile Corp. - August 13, 2026) - National shareholder rights firm Hagens Berman is actively investigating claims in a pending securities class action alleging securities law violations at Black Rock Coffee Bar, Inc. (NASDAQ: BRCB). The suit alleges the company and its senior executives provided false and misleading information to investors regarding the efficacy of its expansion strategy during its September 2025 Initial Public Offering (IPO) and throughout the subsequent mon ...