Jonna Doris Keller (also known as Jonna Doris Edelmayer and Jonna Doris Hansen), of Sarasota, Florida, a stockbroker registered with Sigma Financial Corporation, is the subject of a customer initiated investment related Financial Industry Regulatory Authority (FINRA) securities arbitration claim in which the customer requested $300,000.00 in damages based upon allegations that Keller was negligent…