UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-14625 (Host Hotels & Resorts, Inc.) 0-25087 (Host Hotels & Resorts, L.P.) HOST HOTELS & RESORTS, INC. HOST HOTELS & RESORTS, L.P. (Exact Name of Registrant as Specified in Its C ...