insider trading

noun

1. the illegal buying and selling of securities by persons acting on privileged information.

insider trading

1. The unlawful practice of using information that comes from a source “inside” the business but is not available to the general public to trade on the stock market. This activity is prohibited by law and is policed by the Securities and Exchange Commission.

In the mid-1980s, several revelations of insider trading rocked Wall Street.

Other Word Forms

• insider trader noun

Word History and Origins

Origin of insider trading¹

First recorded in 1965–70

Example Sentences

In 2010, he and his company at the time were fined four million euros for insider trading.

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As an offshore, unregulated marketplace that is officially off-limits to Americans, it isn’t subject to the laws that ban insider trading in the U.S. stock market.

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Such Finra letters often mark the start of deeper inquiries into insider trading, according to lawyers.

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The bill’s given name was a reference to allegations of insider trading by former House Majority Leader Nancy Pelosi.

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Perhaps he benefited from some insider trading from the fast bowlers' union to achieve the feat.

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