Federal Securities Laws: Primary federal regulations including Securities Act of 1933, Securities Exchange Act of 1934, Regulation D (private placement rules), and Rule 144 (resale of restricted securities)
Blue Sky Laws: State-specific securities laws governing registration requirements, disclosure requirements, and exemptions from registration
Corporate Laws: Including Delaware General Corporation Law and other state-specific corporation laws where the company is incorporated, as well as state LLC laws if applicable
Tax Laws: Internal Revenue Code, state tax regulations, and securities transfer tax requirements that may affect the share purchase transaction
Antitrust Laws: Including Hart-Scott-Rodino Act, Clayton Act, and Sherman Act, particularly relevant for larger transactions to ensure compliance with competition regulations
Employment Laws: ERISA regulations and state employment laws, particularly relevant if shares are part of employee benefits or compensation
Foreign Investment Laws: CFIUS regulations and FIRRMA requirements governing foreign investments in U.S. companies
Industry-Specific Regulations: Sector-specific regulations that may apply depending on the company's industry (e.g., banking, healthcare, telecommunications)
Contract Law: State-specific contract laws and Uniform Commercial Code (UCC) provisions governing commercial transactions and contracts
