Securities Law Commons^™

Don’T Ask, Just Tell: Insider Trading After United States V. O’Hagan, Kimberly D. Krawiec, Richard W. Painter, Cynthia A. Williams

Cynthia A. Williams

The United States Supreme Court validated the misappropriation theory in United States v. O'Hagan, but unfortunately rendered a confusing opinion that left many questions unresolved. In this article we discuss the history of the Supreme Court's Section 10(b) jurisprudence as it relates to insider trading, giving particular attention to the Court's insistence prior to O'Hagan that "a material misrepresentation or material failure to disclose," not merely a breach of fiduciary duty, must exist to impose liability under Section 10(b). We then discuss the pervasive inconsistencies among lower courts in interpreting the misappropriation theory, and how the O'Hagan decision does little …