A former investment banker at Moelis & Co. is set to return to the United States to plead guilty in connection with a global insider-trading scheme. The individual, who previously worked for the prestigious investment bank, will face charges related to tipping confidential information about corporate deals to members of an international ring.

This development underscores significant regulatory scrutiny targeting Wall Street professionals involved in illicit trading activities. The plea marks a major development in a case that has drawn attention due to its scale and the involvement of high-profile financial institutions.