Common Shares Reserved for Issuance

6 Months Ended

Jun. 30, 2018

Under our amended and restated certificate of incorporation, we are authorized to issue 100,000,000 shares of convertible preferred stock with a par value of $0.0001 per share, none of which were issued and outstanding as of June 30, 2018 or December 31, 2017.

Under our amended and restated certificate of incorporation, we are authorized to issue 1,000,000,000 shares of common stock with a par value of $0.0001 per share as of June 30, 2018 and December 31, 2017. Each share of common stock outstanding is entitled to one vote. The holders of common stock are also entitled to receive dividends whenever funds are legally available and when declared by our Board of Directors, subject to the prior rights of holders of all classes of convertible preferred stock outstanding.

We had reserved shares of common stock for issuance as follows (in thousands):



	As of June 30, 2018	As of December 31, 2017
Reserved under stock award plans	39,449	35,838
Convertible Senior Notes	35,442	15,141
Employee Stock Purchase Plan (ESPP)	3,817	2,985
Total	78,708	53,964