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Banking and Finance Law

University of Missouri School of Law

Insider trading

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Full-Text Articles in Law

A Middle Ground On Insider Trading, Thomas A. Lambert Jan 2009

A Middle Ground On Insider Trading, Thomas A. Lambert

Faculty Publications

For more than four decades, corporate law scholars have debated whether government should prohibit insider trading, commonly defined as stock trading on the basis of material, nonpublic information. Participants in this long-running debate have generally assumed that trading that decreases a stock's price should be treated the same as trading that causes the price to rise: either both forms of trading should be regulated or neither should. I argue for a middle-ground position in which "price-decreasing insider trading" (sales, short sales, and purchases of put options on the basis of negative information) is deregulated, while "price-increasing insider trading" (purchases of …


The Insider Story, Richard C. Reuben Jun 1997

The Insider Story, Richard C. Reuben

Faculty Publications

The central issue in United States v. O'Hagan, No. 96-842, is the validity of the so-called "misappropriation theory" of insider trader liability under Section 10(b) of the Securities and Exchange Act of 1934. 15 US.C. 78(j)(b). The justices heard oral arguments in April. If the theory propounded by federal regulators is endorsed by the Court, it would expand insider trader liability under U.S. law.