Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 or ☒ 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 or ☐ SHELL COMPANY REPORT PURSUANT TO S ...

Momo, Inc. (NASDAQ:MOMO) Q4 2018 Earnings Conference Call March 12, 2019 8:00 AM ET Company Participants Cathy Peng - Investor Relations Tang Yan - Co-Founder, Chairman and Chief Executive Officer Wang Li - President and Chief Operating Officer Wang Yu - Founder and Chief Executive Officer of Tantan Jonathan Zhang - Chief Financial Officer Conference Call Participants Thomas Chong - Credit Suisse Jialong Shi - Nomura Daniel Chen - JPMorgan Tianxiao Hou - TH Capital Operator Ladies and gentlemen, thank you ...