English

Noun

inside information ‎(uncountable)

1. (US, law, finance) Information obtained by or from a person in a position of trust (a director, an employee, a consultant) that affects the price of publicly traded securities.
   • 1968 September 12, “SEC Calls 'Insider' Cases Beneficial to Public”, in New York Times:

     Must a corporation issue a news release if it becomes aware that material inside information has leaked out? "It should make an immediate announcement,"

See also

• insider trading
• Insider trading on Wikipedia.Wikipedia