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FINRA Suspends Ronald Diaz for Alleged Failure to Provide Information

Ronald Diaz (CRD #: 5283407), a broker formerly registered with Morgan Stanley, has been suspended from FINRA, according to his BrokerCheck record, accessed on April 21, 2023. Keep reading if you have questions about his alleged conduct as a broker.

FINRA Suspension

On February 7, 2023, Ronald Diaz received a Letter of Suspension from FINRA alleging that he failed to respond to requests for information.

His suspension took effect on March 3, 2023, and will continue until the requested information is provided or the suspension converts to a bar.

FINRA Rule 9552

FINRA Rule 9552 states that members who fail to provide documents, information, or testimony requested by FINRA will be suspended. Members who fail to request an end to their suspension within three months become permanently barred.

Termination from Morgan Stanley

On December 5, 2022, Ronald Diaz was fired from Morgan Stanley following allegations that he potentially defrauded a client in the course of selling an annuity away from the firm.

FINRA Rule 3280

FINRA Rule 3280 requires brokers to seek approval from their firm before engaging in private securities transactions.

FINRA Rule 2010

FINRA Rule 2010 holds brokers to high standards of commercial honor and just and equitable principles of trade.

Background Information

Ronald Diaz has passed the following exams:

  • Series 66 – Uniform Combined State Law Examination
  • Series 63 – Uniform Securities Agent State Law Examination
  • SIE – Securities Industry Essentials Examination
  • Series 7 – General Securities Representative Examination
  • Series 6 – Investment Company Products/Variable Contracts Representative Examination

He previously worked for the following firms:

  • Morgan Stanley (CRD#:149777)
  • J.P. Morgan Securities (CRD#:79)
  • Chase Investment Services (CRD#:25574)
  • Merrill Lynch, Pierce, Fenner & Smith (CRD#:7691)
  • AXA Advisors (CRD#:6627)

Kurta Law Can Help

If you worked with Ronald Diaz and you have concerns about your investments, contact a New York investment fraud lawyer today for a free case evaluation. Call (877) 600-0098 or email   

For over 20 years, Kurta Law has advocated on behalf of investors who want to recover their investment losses from brokers and brokerage firms. Kurta Law is a nationally recognized law firm and exclusively represents investors against brokers and brokerage firms on a contingency basis. This means that the firm only earns a fee if our securities attorneys recover money on your behalf.