Government Alleges Engineer Stole Trade Secrets from Hedge Fund Giant Citadel

Oct. 14, 2011, 4:00 AM UTC

CHICAGO—The Department of Justice announced Oct. 13 it has filed criminal charges against a former technology employee of Citadel LLC, alleging the defendant used his access to the hedge fund’s proprietary trading systems to steal sensitive trade secrets and use the information for personal purposes (U.S. v. Pu).

The Justice Department said it had arrested 24-year-old Yihao “Ben’’ Pu, who was hired by Citadel in May 2010 as a quantitative financial engineer. Pu was charged with theft of trade secrets, which carries a maximum penalty of 10 years in prison and a $250,000 fine.

According to the government’s ...

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