insider trading

noun

: the illegal use of information available only to insiders in order to make a profit in financial trading

Examples of insider trading in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Social media users also raised concerns about anonymous accounts holding crypto wallets that may have benefited from shorting the crypto market — and whether insider trading could have been involved. John Towfighi, CNN Money, 13 Oct. 2025 This investigation suggests that some treasury company activity may involve improper information sharing or insider trading rather than genuine institutional adoption. Boaz Sobrado, Forbes.com, 6 Oct. 2025 And the House Ethics Committee carried out an investigation into Cawthorn over allegations of insider trading. Julia Manchester, The Hill, 1 Oct. 2025 Yet members have routinely failed to comply with the requirement, which carries a whopping penalty of $200, and no legislator has ever been prosecuted for insider trading under the law. Bloomberg Opinion, Twin Cities, 28 Sep. 2025 See All Example Sentences for insider trading

Word History

First Known Use

1966, in the meaning defined above

Time Traveler
The first known use of insider trading was in 1966

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Cite this Entry

“Insider trading.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insider%20trading. Accessed 20 Oct. 2025.

Legal Definition

insider trading

noun
: the illegal use of especially material inside information for profit in financial trading see also tippee

More from Merriam-Webster on insider trading

Last Updated: - Updated example sentences
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