Did you lose money investing with former J.P. Morgan Securities LLC broker Marc Koch (CRD# 4978078), who is accused of real estate security losses? He has been registered with Morgan Stanley in New York, New York, since 2023. He was registered with First Republic Investment Management, Inc. in New York, New York, from 2022 to 2023, First Republic Securities Company, LLC in New York, New York, from 2022 to 2023, First Republic Investment Management, Inc. in New York, New York, in November 2022, J.P. Morgan Securities LLC in New York, New York, from 2015 to 2022, and Credit Suisse Securities (Usa) LLC in New York, New York, from 2013 to 2015.
Marc Koch Customer Complaints
He has been the subject of two customer complaints between 2024 and 2025, one of which was denied, according to his CRD report:
December 2025. “Customer alleges unsuitable investment recommendation. Activity date July 2019 – July 2019.” The customer is seeking $1,000,000 in damages, and the case is currently pending. The complaint was regarding real estate investment losses, and it took place while he was registered with J.P. Morgan Securities LLC.
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, J.P. Morgan Securities LLC may be liable for investment or other losses suffered by Marc Koch’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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