Law Commons^™

An Inquiry Into The Perception Of Materiality As An Element Of Scienter Under Sec Rule 10b-5, Allan Horwich

Faculty Working Papers

In any private action or enforcement proceeding based on SEC Rule 10b-5 the plaintiff, including the Securities and Exchange Commission, must prove that the defendant engaged in deception or manipulation with scienter, that is, an intent to deceive (which lower courts have held encompasses reckless conduct). Where the gravamen of the claim is deception, the deception must have been material. A fact, including forward-looking information, is material if there is a substantial likelihood that a reasonable shareholder would consider the fact important in making his investment decision. This Article demonstrates that in an appropriate case an assessment of whether the …