Martha Stewart was famously accused of insider trading in the early 2000s, but she didn't face criminal insider trading charges. "It is incredibly difficult to prove an insider trading case," said Daniel Taylor, a forensic accounting professor at the University of Pennsylvania. "Insider trading is judge-made law," said John Reed Stark, former head of the Office of Internet Enforcement at the Securities Exchange Commission. The SEC adopted an amendment to a rule that will "enhance investor protections against insider trading." The Department of Justice prosecuted the first insider trading case exclusively based on the rule in March 2023.

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Persons: Martha Stewart, Stewart, Daniel Taylor, John Reed Stark, Stark, Justin Paperny, Paperny, I've Organizations: University of Pennsylvania, Internet, Securities Exchange Commission, SEC, Department, Justice, United, White, Department of Justice Locations: United States