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

Certain information required by this Item 12 relating to security ownership of certain beneficial owners and management is incorporated by reference herein from our proxy statement in connection with our 2016 annual meeting of stockholders, which proxy statement will be filed with the Securities and Exchange Commission not later than 120 days after the close of our fiscal year ended December 31, 2015. For information on securities authorized for issuance under equity compensation plans, see the section entitled “Market for Registrant’s Common Equity, Related Stockholders Matters, and Issuer Purchases of Equity Securities “ in Part II, Item 5. in this Annual Report on Form 10-K.