Sam Marshall Stull (CRD #5268858, Grapevine, Texas) was barred by FINRA for allegedly forging the signatures of clients on member firm documents including beneficiary information sheets, investment switch letters and account profile confirmations. FINRA's findings stated that Stull failed to provide FINRA-requested documents and information related to an investigation into the forgery. (FINRA Case #2014042589601) […]