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US charges ex-investment banker, others in global insider-trading scheme

Nate Raymond (Reuters)
Boston, US
Wed, November 19, 2025 Published on Nov. 19, 2025 Published on 2025-11-19T13:19:47+07:00

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A screen tracks trading on the floor at the New York Stock Exchange (NYSE) after the closing bell in New York City, US, on April 4, 2025. A screen tracks trading on the floor at the New York Stock Exchange (NYSE) after the closing bell in New York City, US, on April 4, 2025. (Reuters/Brendan McDermid)

U

nited States prosecutors on Tuesday unveiled charges against eight men accused of belonging to a global network that made tens of millions of dollars trading on inside information about the finances and merger plans of numerous companies for years.

Federal prosecutors in Boston said the insider trading scheme ran from 2016 to 2024 and was led by Samy Khouadja, a former Merrill Lynch banker in France; Eamma Safi, who co-owned a French restaurant with Khouadja; and Singapore citizen Zhi Ge.

Safi is in US custody and pleaded not guilty earlier this year. Ge was provisionally arrested in 2024 in Singapore and is subject to extradition proceedings.

The other six defendants are considered fugitives, the US Justice Department said. Those include Khouadja, who worked at Bank of America's Merrill Lynch until 2014 and is facing securities fraud and money laundering conspiracy charges.

Their lawyers did not respond to requests for comment or could not be reached.

Prosecutors allege Khouadja, Safi and Ge recruited investment bankers and other corporate insiders to supply them with confidential information about a variety of publicly traded companies including US-based ones that they and their co-defendants then traded on.

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They also recruited other traders in the United States, Europe, the Middle East and Asia, to trade on the information they received in exchange for a share of their insider trading profits, prosecutors said.

The other alleged traders charged in the indictment were Christophe Dong of France; Julien Liu of France and Hong Kong; Patrick Chou of France and Hong Kong; Cheuk Yue Lee of Hong Kong; and Dev Ananth Durai of Singapore.

The indictment said the insider information included that Britain-based drugmaker AstraZeneca in 2020 planned to acquire Alexion Pharmaceuticals for US$39 billion; that Louis Vuitton owner LVMH would seek to acquire jeweler Tiffany in 2019; and medical device maker Stryker's plans to acquire rival Wright Medical that same year.

Prosecutors said the defendants leaked information they obtained to journalists to make a trading profit once news about their illicit tips became public and used "burner" cell phones and encrypted messaging applications to conceal their activity.

They spoke in code as well, referring to money as "greens," insider trading as "running," a yet-to-be-announced deal as a "race" and another company's prospective merger partners as "girls" and "models," the indictment said.

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