Martha Stewart: Convicted in 2004 for insider trading related to the biopharmaceutical company ImClone Systems.
Raj Rajaratnam: Founder of the Galleon Group, convicted in 2011 on 14 counts of conspiracy and securities fraud.
Jeffrey Skilling: Former CEO of Enron, convicted in 2006 for insider trading among other charges.
Michael Milken: Financier and investment banker known as the "Junk Bond King," convicted in 1990 for securities fraud, including insider trading.