Rudy Ruben Mejia Jr., of Austin, Texas, a stockbroker previously registered with Estrada Hinojosa Company Inc. has been sanctioned by Financial Industry Regulatory Authority (FINRA). Letter of Acceptance, Waiver, and Consent (AWC) No. 2023079264201. According to the AWC, Mejia violated FINRA Rules 3280 and 2010 by participating in private securities transactions without providing prior written…