FINANCIAL INDUSTRY REGULATORY AUTHORITY LETTER OF ACCEPTANCE, WAIVER, AND CONSENT NO. 2022075017201 TO: Department of Enforcement Financial Industry Regulatory Authority (FINRA) RE: Matthew J. Mangini (Respondent) Former Associated Person CRD No. 6527545 Pursuant to FINRA Rule 9216, Respondent Matthew J. Mangini submits this Letter of Acceptance, Waiver, and Consent (AWC) for the purpose of proposing a settlement of the alleged rule violations described below.