2/24/2018 S-1 Table of Contents Settlement by $ . An increase or decrease of 1.0 million shares in the number of shares offered by us would increase or decrease, as applicable, the amount of our pro forma as adjusted cash, and cash equivalents, additional paid­in capital, total stockholders’ equity, and total capitalization by approximately $ , assuming the assumed initial public offering price remains the same, and after deducting estimated underwriting discounts and commissions payable by us. If the underwriters’ option to purchase additional shares of our Class A common stock from us were exercised in full, pro forma as adjusted cash, and cash equivalents, additional paid­in capital, total stockholders’ equity, total capitalization, and Class A shares outstanding as of December 31, 2017, would be $ , $ , $ , $ , and , respectively. The number of shares of our Class A common stock, Class B common stock, and Class C common stock that will be outstanding after this offering is based on 17,727,212 shares of our Class A common stock (including the Capital Stock Conversions), 522,752,944 shares of our Class B common stock (including the Capital Stock Conversions and the RSU Settlement), and no shares of our Class C common stock outstanding as of December 31, 2017, and excludes the following: • 22,100,000 shares of our Class A common stock subject to RSAs that were granted pursuant to our Co­Founder Grants, and vest upon the satisfaction of a service condition and achievement of certain stock price goals; • 7,439,253 shares of our Class B common stock issuable upon the exercise of options to purchase shares of our Class B common stock outstanding as of December 31, 2017, with a weighted­average exercise price of $7.01 per share; • 25,061,536 shares of our Class A common stock and 18,240,237 shares of our Class B common stock subject to RSUs outstanding, but for which the service condition was not satisfied as of December 31, 2017; • 14,865,820 shares of our Class A common stock subject to RSUs granted after December 31, 2017; • 98,969,443 shares of our Class A common stock reserved for future issuance under our equity compensation plans, consisting of: • 77,297,109 shares of our Class A common stock to be reserved for future issuance under our 2018 Plan, which will become effective prior to the completion of this offering (including the shares that will be repurchased by us in connection with the RSU Settlement); • 15,467,085 shares of our Class A common stock reserved for future issuance under our 2017 Plan, which number of shares includes an additional 2,000,000 shares of our Class A common stock reserved for issuance under our 2017 Plan that was approved by our Board of Directors in February 2018 (and which we expect our stockholders to approve), and will be added to the shares of our Class A common stock to be reserved for future issuance under our 2018 Plan upon its effectiveness; • 6,205,249 shares of our Class A common stock to be reserved for future issuance under our ESPP, which will become effective prior to the completion of this offering, but no offering periods under the ESPP will commence unless and until otherwise determined by our Board of Directors; and • 68,257,739 shares of our Class C common stock reserved for future issuance under certain other equity compensation plans, consisting of: • 62,052,490 shares of our Class C common stock to be reserved for future issuance under our 2018 Class C Equity Incentive Plan, or our 2018 Class C Plan, which will become effective prior to the completion of this offering; and • 6,205,249 shares of our Class C common stock to be reserved for future issuance under our 2018 Class C Employee Stock Purchase Plan, or our Class C ESPP, which will become effective prior 50 https://www.sec.gov/Archives/edgar/data/1467623/000119312518055809/d451946ds1.htm 57/235