Ex-Lazard Banker Justin Kim Working on Insider Trading Plea Deal

A former dealmaker at Lazard Ltd., one of Wall Street’s most prominent investment banks, is negotiating a guilty plea to charges he leaked pending takeovers to associates who made $41 million from insider trading.

Justin Kim and prosecutors asked a federal court judge in Newark, New Jersey, to postpone an indictment deadline while they work out an agreement, according to court filings. Authorities accused Kim in November of tipping conspirators to multiple potential deals between 2020 and 2023, including some that he personally worked on, which had a combined value of more than $60 billion.

“Plea negotiations are currently ...