Erez Law is currently investigating Cambridge Investment Research, Inc. broker Dennis Lerner (CRD# 1007397) regarding energy sector losses. He was registered with Cambridge Investment Research, Inc. in Big Rapids, Michigan, from 2011 to 2021.
Dennis Lerner Customer Complaints
He has been the subject of three customer complaints between 2008 and 2025, according to his CRD report. The most recent complaints were regarding:
October 2025. “Statement of Claim alleges an investment recommendation was made for the purpose of generating high commissions and fees and that Claimants were deprived of the ability to generate reasonable returns that would have been received in a diversified portfolio.
5/13/2022.” The case is currently pending. The complaint was regarding direct investment losses and oil and gas investment losses, and it took place while he was registered with Cambridge Investment Research, Inc.
May 2022. “Statement of Claim alleges an investment recommendation was made for the purpose of generating high commissions and fees and that Claimants were deprived of the ability to generate reasonable returns that would have been received in a diversified portfolio. “ The case was settled for $295,000. The complaint was regarding oil and gas investment losses, and it took place while he was registered with Cambridge Investment Research, Inc.
Pursuant to FINRA Rules, member firms are responsible for supervising a broker’s activities during the time the broker is registered with the firm. Therefore, Cambridge Investment Research, Inc. may be liable for investment or other losses suffered by Dennis Lerner’s customers.
Erez Law represents investors in the United States for claims against brokers and brokerage firms for wrongdoing. If you have experienced investment losses, please call us at 888-840-1571 or complete our contact form for a free consultation. Erez Law is a nationally recognized law firm representing individuals, trusts, corporations and institutions in claims against brokerage firms, banks and insurance companies on a contingency fee basis.
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