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Broker Misconduct Investigation: Mario Martinez (Merrill Lynch)

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Updated on: May 21, 2025

National investment loss lawyers KlaymanToskes is investigating barred broker Mario Martinez (CRD# 6144561) formerly of Merrill Lynch.

According to FINRA BrokerCheck, broker Mario Martinez was barred from association with any Financial Industry Regulatory Authority (“FINRA”) member in all capacities in February 2025. Martinez allegedly refused to provide information requested by FINRA in connection with its investigation of allegations made by his member firm, Merrill Lynch, in a Form U5 filing. Martinez resigned from Merrill Lynch following allegations of conduct including misappropriation of client funds and accepting a loan from a client without the Firm’s knowledge or approval.

Investors that suffered losses with broker Mario Martinez are encouraged to contact attorney Lawrence L. Klayman, Esq., at 888-997-9956 or by email at investigations@klaymantoskes.com to discuss potential recovery options. We do not collect attorney’s fees unless we are able to obtain a financial recovery for you.

Merrill Lynch Broker Mario Martinez Barred by FINRA

Financial advisor Mario Martinez, formerly of Merrill Lynch, has been permanantly barred by the Financial Industry Regulatory Authority (“FINRA”). Martinez allegedly refused to provide information and documents in connection with allegations received in a tip made to FINRA concerning allegations that he took a loan from a client, among other allegations.

On February 5, 2025, Merrill Lynch filed a Uniform Termination Notice for Securities Industry Registration (Form U5) stating that Martinez had voluntarily resigned from the firm while under internal review. On February 14, 2025, in connection with its investigation into the allegations in the tip made to FINRA, FINRA sent a request to Martinez for the production of documents and information pursuant to FINRA Rule 8210. By failing to produce the information or documents as requested pursuant to FINRA Rule 8210, Martinez violated FINRA Rules 8210 and 2010.

Investment Losses with Broker Mario Martinez?

Investment Losses with Broker Mario Martinez?

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Signs Investors Should Look Out For About Their Brokerage Accounts

As an investor, there are a few signs that you should look out for if you believe you may have a claim against your financial advisor. These signs could potentially indicate misconduct, negligence, or investment fraud. Investors are encouraged to contact our firm immediately if you have experienced any of the following:

  • You have substantial losses in your investment accounts
  • You received a call, email, or other communication from your broker’s supervisor or manager regarding your portfolio
  • Your broker misrepresented investment opportunities, or failed to disclose details about investments
  • You notice unauthorized transactions in your investment accounts
  • Your broker is not returning your calls or emails
  • You filed a complaint with your brokerage firm that has not been resolved
  • You see a mistake on your statement, or receive a fraudulent statement

Some investors have close relationships with their brokers due to the time and trust built over the course of their investment relationship. However, it is crucial to remember that financial decisions should be based on careful analysis and due diligence rather than solely relying on personal relationships.

Engaging the services of an experienced securities attorney to evaluate your specific circumstances is strongly advised. At KlaymanToskes, our team of experienced securities attorneys has a deep understanding of this complex area of law, allowing us to provide invaluable insight and tailored guidance that directly addresses your individual needs.

If you suffered losses with broker Mario Martinez, or have concerns regarding your investment portfolio at Merrill Lynch, or with any other financial advisor or firm, contact KlaymanToskes at 888-997-9956 or fill out a short contact form for a free and confidential consultation.