FINANCIAL INDUSTRY REGULATORY AUTHORITY LETTER OF ACCEPTANCE, WAIVER, AND CONSENT NO. 2020068717401 TO: Department of Enforcement Financial Industry Regulatory Authority (FINRA) RE: Jonathan Arthur Mayer (Respondent) Former Investment Banking Representative CRD No. 6878627 Pursuant to FINRA Rule 9216, Respondent Jonathan Arthur Mayer submits this Letter of Acceptance, Waiver, and Consent (AWC) for the purpose of proposing a settlement of the alleged rule violations described below.