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From Texas Gulf Sulphur To Laudato Si': Mining Equitable Principles From Insider Trading Law, Michael Kaufman

Faculty Publications & Other Works

In SEC v. Texas Gulf Sulphur, the Second Circuit declared that all investors trading on impersonal exchanges should have equal access to material information, and therefore anyone who possesses material inside information must either turn it over to the investing public or not trade. The broad reach of that insider trading prohibition sent shock waves throughout the financial markets and encountered significant judicial resistance from the Supreme Court.

Although the Supreme Court initially rejected the insider trading prohibition announced in Texas Gulf Sulphur, the fundamental equitable trading principles underlying that decision have endured. This article shows that TGS …