A former executive at Qualcomm Inc. pleaded guilty to insider trading and money-laundering charges, the U.S. Department of Justice announced on Monday.

Jing Wang, president of global business operations at Qualcomm, admitted in federal court in San Diego to illegally gaining nearly $250,000 as a result of trading on inside information, laundering that money and inventing a cover story to conceal his crimes, the Justice Department said.