Last month, federal authorities arrested six people in an insider trading scandal, including Raj Rajaratnam, founder of the Galleon Group. On Thursday, U.S. prosecutors charged 14 additional people in the alleged $20 million scheme, including Craig Drimal, who worked at the offices of the Galleon Group hedge fund firm but was not an employee.

A federal grand jury in San Francisco returned a 38 count indictment against three Bay Area defendants charging securities fraud and conspiracy relating to an insider trading scheme in which the defendants made profits in excess of $5.3 million, United States Attorney Joseph P. Russoniello announced.

Billionaire Dallas Mavericks pro basketball team owner Mark Cuban has been charged with insider trading according to information filed by the SEC. Cuban was charged with insider trading in shares of Mamma.com an internet search company in June 2004.

If anyone is a maverick, it's Mark Cuban. Not only is he the owner of the NBA franchise the Dallas Mavericks, he's a billionaire and Chairman of HDNet, an HDTV cable network. He's also poked his nose into things some think he should stay out of, such as commenting on politics and tech --- and blogging as well, on a blog with Maverick in its name. On Monday, he was charged with insider trading in the shares of Mamma.com by the Securities and Exchange Commission (SEC).

Lou Pai, a former top executive at Enron Corp is paying $31.5 million to off set charges against his use of information to illegally profit from sales of thousands of shares of company stock in 2001.

Former Qwest Chief Executive Officer Joseph Nacchio Sentenced to 72 Months in Prison for Insider Trading.

Trader Misused Confidential Information Gleaned From Spouse, Who Was Lead Executive Assistant to Oracle's CEO and Co-Presidents

On May 10th the Securities and Exchange Commission charged Jennifer Xujia Wang, an employee of Morgan Stanley & Co., Inc., and her husband, Ruben Chen a.k.a. Ruopian Chen, a former employee of ING Investment Management Services, LLC, with insider trading.