Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.

See Item 5. Market for Registrant's Common Equity and Related Stockholder Matters - Equity Compensation Plan Information. Additional information required by this item is incorporated by reference to the subheadings “Securities Held by Insiders” and “Principal Securityholders” of the “Ownership of the Company” section of the 2018 Proxy Statement.