UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Class Number of Shares Outstanding Class A common stock, $0.00001 par value 1,064,993,070 shares outstanding as of April 18, 2019 Class B common stock, $0.00001 par value 48,784,023 shares outstanding as of April 18, 2019 Class C common stock, $0.00001 par value 226,286,909 shares outstanding as of April 18, 2019 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarte ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO | --- | --- | |-----------------------------------------------------------------------------------------------|------------------------------------------------- ...