Several law firms are advertising participation in a putative class action involving Black Rock Coffee Bar, Inc. (NASDAQ: BRCB). The PR Newswire notices state that the lawsuit alleges securities law violations under Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5. The firms say the matter is a class action and encourage BRCB investors to contact their practices to discuss possible rights, including potential lead-plaintiff roles and other participation options. The communications do not provide detailed factual allegations, evidence, or specific dates of the alleged conduct, but they frame the claims as involving purported misstatements or omissions that harmed investors. Both notices are similar in structure and timing, prompting investors to act by contacting the named firms. The reports are promotional and do not indicate whether allegations have been proven. The company is not described as admitting liability in the notices, and no court rulings are referenced.