Our board of directors has the authority to fix the designations, powers, preferences and rights, and the qualifications, limitations or restrictions thereof, of any wholly unissued series of preferred stock, and to increase or decrease the number of shares in any series of preferred stock, subject to limitations prescribed by law or by our certificate of incorporation. There was no preferred stock issued and outstanding as of December 31, 2019 or 2018.

As of December 31, 2019, we had authorized 495,000,000 shares of voting $0.001 par value common stock. Each holder of the common stock is entitled to one vote per common share. At its discretion, the board of directors may declare dividends on shares of common stock, subject to the prior rights of our preferred stockholders. Upon liquidation or dissolution, holders of common stock will receive distributions only after preferred stock preferences have been satisfied.

The following shares of common stock have been reserved for future issuance as of the date presented (in thousands):


	December 31, 2019
Option awards outstanding		3,262
Restricted stock units outstanding		761
Common stock reserved under equity incentive plans		1,246
Common stock reserved under employee stock purchase plan		490
Total		5,759