Stockholders' Equity

6 Months Ended

Jun. 30, 2020

Our capitalization as of June 30, 2020 and December 31, 2019 is described as follows:


	Authorized	Shares Issued and Outstanding
		June 30, 2020	December 31, 2019
Total common stock - Class A¹	600,000,000	99,233,074	84,549,511
Total common stock - Class B¹	600,000,000	31,005,215	36,486,778
Total preferred stock	10,000,000	—	—
		130,238,289	121,036,289
Rights to acquire stock
Stock Plans' options and awards outstanding:
2002 stock plan		1,684,718	1,856,154
2012 equity incentive plan		13,530,104	16,638,850
2018 equity incentive plan		9,664,887	9,454,578
		24,879,709	27,949,582
Warrants outstanding:
Common warrants ²		494,121	494,121
		25,373,830	28,443,703
Total diluted shares		155,612,119	149,479,992
Total options/RSUs available for grant - 2018 EIP plan		22,789,740	17,233,144
Total shares available for grant - 2018 ESPP plan		3,532,380	3,030,407
		181,934,239	169,743,543

Unreserved Stock 503,245,441

Total authorized shares

¹ We have two classes of authorized common stock, Class A common stock and Class B common stock. The rights of the holders of Class A common stock and Class B common stock are identical, except with respect to voting and conversion rights. Each share of Class A common stock is entitled to one vote per share. Each share of Class B common stock is entitled to ten votes per share and is convertible into one share of Class A common stock at the discretion of its holder, or automatically upon the earliest to occur of (i) immediately prior to the close of business on July 27, 2023, (ii) immediately prior to the close of business on the date on which the outstanding shares of Class B common stock represent less than five percent (5%) of the aggregate number of shares of Class A common stock and Class B common stock then outstanding, (iii) the date and time or the occurrence of an event specified in a written conversion election delivered by KR Sridhar to our Secretary or Chairman of the Board to so convert all shares of Class B common stock, or (iv) immediately following the date of the death of KR Sridhar.

² As of June 30, 2020 and December 31, 2019, we had Class B common stock warrants outstanding to purchase 481,181 and 12,940 shares of Class B common stock at exercise prices of $27.78 and $38.64, respectively.