This law tightened regulation on issuers of complex securities, especially those related to subprime mortgages:

The correct answer is: Dodd-Frank Act This act tightened regulation on issuers of complex securities by requiring public companies must hold shareholder votes on executive compensation at least once every three years.

The act also requires the government to pay a reward to whistle-blowers who voluntarily provide information that leads to successful prosecutions for violations of federal security laws.