Immediately prior to the completion of our initial public offering on July 1, 2019, 93,039,737 shares of convertible preferred stock then outstanding converted into an equivalent number of shares of common stock. As of December 31, 2020, no shares of convertible preferred stock were outstanding.

We are authorized to issue 10,000,000 shares of preferred stock, par value $0.0001 per share. As of December 31, 2020, no shares of preferred stock were outstanding.

We are authorized to issue 340,000,000 shares of common stock. Our common stock has a par value of $0.0001 per share, no preferences or privileges and is not redeemable. Holders of our common stock are entitled to one vote for each share of common stock held. The holders of record of outstanding shares of common stock shall be entitled to receive, when, as and if declared, out of funds legally available, such cash and other dividends as may be declared from time to time. As of December 31, 2020, we had 137,646,896 shares of common stock outstanding.

As of December 31, 2020, we have reserved shares of common stock for the following:

Shares issuable upon the exercise of outstanding common stock options and the vesting of outstanding common restricted stock units granted			14,483,560
Shares available for future grant under the 2019 Equity Incentive Plan			18,617,001
Shares available for future grant under the Employee Stock Purchase Plan			2,804,298
Shares to be issued upon exercise of a common stock warrant			56,875
Total shares of common stock reserved for future issuance			35,961,734

Our 2019 Equity Incentive Plan (“2019 Plan”) provides for annual increases in the number of shares that may be issued under the 2019 Plan on January 1, 2020 and on each subsequent January 1, thereafter, by a number of shares equal to the lesser of (a) 5% of the number of shares of common stock issued and outstanding on the immediately preceding December 31, or (b) an amount determined by our board of directors.

Furthermore, our Employee Stock Purchase Plan (“ESPP”) provides for annual increases in the number of shares available for issuance under our ESPP on January 1, 2020 and on each January 1, thereafter, by a number of shares equal to the smallest of (a) 1% of the number of shares of common stock issued and outstanding on the immediately preceding December 31, or (b) an amount determined by our board of directors.

Effective January 1, 2020, our 2019 Plan and ESPP reserves increased by 6,261,907 shares and 1,252,381 shares, respectively. Effective January 1, 2021, our 2019 Plan reserve increased by 6,882,344 shares.

In connection with two transactions in 2012 and 2013, we granted warrants to purchase up to 55,032 shares of common stock. These warrants were exercisable at any time for a period of ten years from the date of issuance at a weighted-average exercise price of $0.37, except in the case of a warrant to purchase 20,000 shares of common stock at an exercise price of $0.45 per share that would have expired if unexercised prior to the closing of our initial public offering. On July 1, 2019, we issued 54,792 shares of common stock through both a cash and cashless exercise of the warrants. The impact of these exercises was immaterial to the financial statements.

Separately, in 2014, we issued a warrant to purchase 56,875 shares of Series C convertible preferred stock at an exercise price of $2.64. The warrant is exercisable for a period of seven years from the date of issuance. Immediately prior to and in connection with the completion of our initial public offering on July 1, 2019, this convertible preferred stock warrant, which was previously recorded as a financial liability, was converted to a warrant to purchase the same number of shares of common stock. Upon conversion, the financial liability was reclassified to the additional paid-in capital line item on our balance sheet. The warrant to purchase 56,875 shares of common stock remains outstanding as of December 31, 2020.