Apple Hospitality REIT, Inc. This supplement (this “Supplement”) is being filed to update, amend and supplement certain information in the prospectus supplement dated andfiled with the Securities and Exchange Commission (the “SEC”) on February25, 2025 (the “Prospectus Supplement”) and the base prospectus datedFebruary25, 2025 (the “Base Prospectus”), relating to the offer and sale, from time to time, of up to $500,000,000 in the aggregate of our commonshares, no par value, pursuant to that certain equity distribution agreement, dated February23, 2024, as amended February25, 2025 and August6, 2026(the “Equity Distribution Agreement”), by and among the Company and Jefferies LLC, Robert W. Baird& Co. Incorporated, BMO Capital MarketsCorp., BofA Securities, Inc., BTIG, LLC, Huntington Securities, Inc., KeyBanc Capital Markets Inc., Regions Securities LLC, Truist Securities, Inc.,and Wells Fargo Securities, LLC (collectively, the “sales agents” and each individually, a “sales agent”). This Supplement should be read in conjunctionwith the Prospectus Supplement and accompanying Base Prospectus. This Supplement is only intended to update, amend and supplement certaininformation in the Prospectus Supplement to the extent set forth herein. Capitalized terms used and not defined herein shall have the meanings ascribedto such terms in the Prospectus Supplement. On August6, 2026, we entered into an amendment to the Equity Distribution Agreement, pursuant to which Huntington Securities, Inc. was addedas a sales agent under the Equity Distribution Agreement, and B. Riley Securities, Inc., SMBC Nikko Securities America, Inc. and Scotia Capital (USA)Inc. were removed as sales agents under the Equity Distribution Agreement, and accordingly, any reference to “sales agents” in the ProspectusSupplement shall hereafter be deemed to include Huntington Securities, Inc. and deemed not to include B. Riley Securities, Inc., SMBC NikkoSecurities America, Inc., or Scotia Capital (USA) Inc. As of the date hereof, $500,000,000 in the aggregate of our common shares remains available for issuance pursuant to the Prospectus Supplementunder the Equity Distribution Agreement. Our common shares are listed on the New York Stock Exchange (the “NYSE”) under the symbol “APLE.” The last reported sale price of ourcommon shares on the NYSE on August5, 2026 was $16.55 per share. The validity of the common shares offered by means of the Prospectus Supplement and the accompanying prospectus, as well as certain U.S.federal income tax matters, have been passed upon for us by Hogan Lovells Cadwalader US LLP. Certain legal matters will be passed upon for the salesagents by Morrison& Foerster LLP. Investing in our common shares involves risk. You should carefully read and consider the “Risk Factors”referenced on page S-4 of the Prospectus Supplement, as well as those described in our most recent Annual Report onForm 10-K and in other information that we file from time to time with the SEC. Neither the SEC nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy oraccuracy of this Supplement, the Prospectus Supplement or the accompanying Base Prospectus. Any representation to the contrary is acriminal offense. JefferiesHuntingtonCapital Markets BairdKeyBancCapitalMarkets Supplement No.1 dated August6, 2026 to Prospectus Supplement dated February25, 2025.