Skip to main content
Press Release

Former Investment Banker and His Associate
Sentenced for Insider Trading Scheme

For Immediate Release
Office of Public Affairs

A former San Francisco investment banker and his college friend were sentenced yesterday to 16 months in prison for their roles in an insider trading scheme involving two impending corporate mergers, announced Acting Assistant Attorney General Mythili Raman of the Justice Department’s Criminal Division and U.S. Attorney Melinda Haag of the Northern District of California.

Jauyo Lee, or “Jason Lee,” 29, of Palo Alto, Calif., and Victor Chen, 29, of Sunnyvale, Calif., both pleaded guilty on April 16, 2013, to one count of conspiracy to commit securities fraud and one count of securities fraud. 

According to the plea agreements, Lee, who worked as an investment banker in the San Francisco office of Leerink Swann LLC, disclosed inside information to Chen, a friend from college, about two impending mergers involving Leerink clients.  Between Aug. 26, 2009, and Sept. 5, 2009, Lee disclosed inside information to Chen about the merger of Leerink’s client, Syneron Medical Ltd., and Candela Corporation, a medical device company publicly traded on the NASDAQ stock market.  Chen used the inside information to buy shares of Candela.  After the merger was announced, Candela’s stock price increased more than 40 percent and Chen sold his shares for a gain of approximately $62,589. 

Between June 1 and June 13 of 2010, Lee also provided Chen with inside information about the impending merger of Somanetics Corporation and a subsidiary of Covidien plc.  Leerink was the lead financial advisor to Somanetics, which also was publicly traded on the NASDAQ.  Chen used the inside information to buy shares and options of Somanetics.  Following the merger announcement, the price of Somanetics stock increased more than 30 percent and Chen ultimately realized a profit of approximately $547,510.

Lee and Chen were charged in a criminal information on March 21, 2013.  

The sentence was handed down by U.S. District Judge Richard G. Seeborg of the Northern District of California.  Judge Seeborg also sentenced Lee and Chen each to a two-year period of supervised release and ordered that restitution and forfeiture be considered at a subsequent hearing.  Chen paid $610,099 in forfeiture prior to sentencing. 

This case was investigated by the FBI with substantial assistance from the Chicago Regional Office of the U.S. Securities and Exchange Commission. It is being prosecuted by Assistant U.S. Attorney Robert S. Leach and Trial Attorney Brian R. Young of the Criminal Division's Fraud Section with the assistance of Rayneisha Booth and Mary Mallory.  

This prosecution is part of efforts underway by President Obama's Financial Fraud Enforcement Task Force (FFETF), which was created in November 2009 to wage an aggressive, coordinated and proactive effort to investigate and prosecute financial crimes.  With more than 20 federal agencies, 94 U.S. Attorneys’ Offices and state and local partners, it’s the broadest coalition of law enforcement, investigatory and regulatory agencies ever assembled to combat fraud.  Since its formation, the task force has made great strides in facilitating increased investigation and prosecution of financial crimes; enhancing coordination and cooperation among federal, state and local authorities; addressing discrimination in the lending and financial markets and conducting outreach to the public, victims, financial institutions and other organizations.  Over the past three fiscal years, the Justice Department has filed more than 10,000 financial fraud cases against nearly 15,000 defendants including more than 2,700 mortgage fraud defendants. For more information on the task force, visit

Updated September 15, 2014

Press Release Number: 13-835