(Bloomberg) -- Ex-Morgan Stanley fund manager Joseph “Chip” Skowron, who’s serving a five-year prison term for insider trading, must pay back $31 million in compensation for failing to fulfill his duties to the bank, a judge ruled.

U.S. District Judge Shira Scheindlin today agreed with Morgan Stanley that Skowron was a “faithless servant” and must forfeit salary and incentive pay from April 2007 to November 2010.

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