Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2022, or ☐ Transition report pursuant to section 13 or 15(d) of the Securities Exchange Act of 1934 Commission File Number 1-13374 REALTY INCOME CORPORATION (Exact name of registrant as specified in its charter) Maryland 33-0580106 (State or Other Jurisdiction of Incorporation or Organiz ...