United States

Securities and Exchange Commission

Washington, D.C. 20549

Form 8-K

Current Report

Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of report: October 6, 2025

(Date of Earliest Event Reported)

REALTY INCOME CORPORATION

(Exact name of registrant as specified in its charter)

Maryland	1-13374	33-0580106
(State or Other Jurisdiction of Incorporation or Organization)	(Commission File Number)	(IRS Employer Identification No.)

11995 El Camino Real, San Diego, California 92130
(Address of principal executive offices)

(858) 284-5000
(Registrant’s telephone number, including area code)

N/A
(former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading symbol	Name of Each Exchange On Which Registered
Common Stock, $0.01 Par Value	O	New York Stock Exchange
1.125% Notes due 2027	O27A	New York Stock Exchange
1.875% Notes due 2027	O27B	New York Stock Exchange
5.000% Notes due 2029	O29B	New York Stock Exchange
1.625% Notes due 2030	O30	New York Stock Exchange
4.875% Notes due 2030	O30B	New York Stock Exchange
5.750% Notes due 2031	O31A	New York Stock Exchange
3.375% Notes due 2031	O31B	New York Stock Exchange
1.750% Notes due 2033	O33A	New York Stock Exchange
5.125% Notes due 2034	O34	New York Stock Exchange
3.875% Notes due 2035	O35B	New York Stock Exchange
6.000% Notes due 2039	O39	New York Stock Exchange
5.250% Notes due 2041	O41	New York Stock Exchange
2.500% Notes due 2042	O42	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 8.01 Other Events

On October 6, 2025, Realty Income Corporation (the “Company”) closed its offering of $400.0 million aggregate principal amount of its 3.950% Notes due 2029 and $400.0 million aggregate principal amount of its 4.500% Notes due 2033, pursuant to a purchase agreement dated September 25, 2025 entered into by and among the Company, Wells Fargo Securities, LLC, Barclays Capital Inc., BofA Securities, Inc., Mizuho Securities USA LLC and TD Securities (USA) LLC, as representatives of the underwriters.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

4.1	Indenture dated as of October 28, 1998 between the Company and The Bank of New York Mellon Trust Company, N.A. as successor trustee (filed as exhibit 4.1 to the Company’s Form 8-K, filed on October 28, 1998 and dated October 27, 1998 and incorporated herein by reference).
4.2	Form of 3.950% Note due 2029 issued on October 6, 2025 (contained in Exhibit 4.4 hereto).
4.3	Form of 4.500% Note due 2033 issued on October 6, 2025 (contained in Exhibit 4.4 hereto).
4.4	Officers’ Certificate dated October 6, 2025 pursuant to Sections 201, 301 and 303 of the Indenture dated as of October 28, 1998 between the Company and The Bank of New York Mellon Trust Company, N.A., as successor trustee, establishing the terms of a new series of debt securities entitled “3.950% Notes due 2029” and a new series of debt securities entitled “4.500% Notes due 2033” and including the forms of debt securities of each such series.
5.1	Opinion of Venable LLP.
5.2	Opinion of Latham & Watkins LLP.
23.1	Consent of Venable LLP (contained in the opinion filed as Exhibit 5.1 hereto).
23.2	Consent of Latham & Watkins (contained in the opinion filed as Exhibit 5.2 hereto).
104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: October 6, 2025	REALTY INCOME CORPORATION
	By:	/s/ Bianca Martinez
		Bianca Martinez
		Senior Vice President, Associate General Counsel and Assistant Secretary