Liability For Insider Trading: Expansion of Liability in Rule 10b-5 Cases

This article will examine the recent litigation developments of Section 10 and Rule 10-b in Carpenter v. United States and in Basic, Inc. v. Levinson. The origins and developments of the misappropriation theory and the application of the mail fraud statutes as applied to Section 10 will also be discussed. Finally, the duty of disclosure and the timing of disclosure of merger negotiations, along with the fraud-on-the-market theory of civil liability under Rule 10b-5, will be explored in the context of the Basic case