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What Were They Thinking? Insider Trading And The Scienter Requirement, Donald C. Langevoort

Georgetown Law Faculty Publications and Other Works

On its face, the connection between insider trading regulation and the state of mind of the trader or tipper seems intuitive. Insider trading is a form of market abuse: taking advantage of a secret to which one is not entitled, generally in breach of some kind of fiduciary-like duty. This chapter examines both the legal doctrine and the psychology associated with this pursuit. There is much conceptual confusion in how we define unlawful insider trading—the quixotic effort to build a coherent theory of insider trading by reference to the law of fraud, rather than a more expansive market abuse standard—which …