The document discusses insider trading regulations in the United States and proposes reforms for Turkey. It defines insider trading and outlines who can be considered insiders. US regulations are described in detail, including key laws like Section 16, Rule 10b-5, and Rule 14e-3. Theories of liability like the traditional and misappropriation theories are explained. Enforcement in the US is compared to Turkey, noting Turkey has fewer regulations and enforcement actions. Famous US cases are discussed in the context of Turkey to highlight differences. The document proposes reforms for Turkey like expanding the definition of insider trading and adding penalties and bounty provisions.