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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 (Date of Earliest Event Reported): June 2, 2026
AMERICAN TOWER CORPORATION
(Exact Name of Registrant as Specified in Charter)
Delaware
001-14195
65-0723837
(State or Other Jurisdiction of Incorporation)
(Commission File Number)
(I.R.S. Employer Identification No.)
222 Berkeley Street
Boston, Massachusetts 02116
(Address of Principal Executive Offices) (Zip Code)
(617375-7500
(Registrant's telephone number, including area code)
Not Applicable
(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 (see General Instruction A.2. below):
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 classTrading Symbol(s)Name of each exchange on which registered
Common Stock, $0.01 par value AMTNew York Stock Exchange
0.450% Senior Notes due 2027AMT 27CNew York Stock Exchange
0.400% Senior Notes due 2027AMT 27DNew York Stock Exchange
4.125% Senior Notes due 2027AMT 27FNew York Stock Exchange
0.500% Senior Notes due 2028AMT 28ANew York Stock Exchange
0.875% Senior Notes due 2029AMT 29BNew York Stock Exchange
0.950% Senior Notes due 2030AMT 30CNew York Stock Exchange
3.900% Senior Notes due 2030AMT 30DNew York Stock Exchange
4.625% Senior Notes due 2031AMT 31BNew York Stock Exchange
1.000% Senior Notes due 2032AMT 32New York Stock Exchange
3.625% Senior Notes due 2032AMT 32BNew York Stock Exchange
1.250% Senior Notes due 2033AMT 33New York Stock Exchange
4.000% Senior Notes due 2033AMT 33DNew York Stock Exchange
4.100% Senior Notes due 2034AMT 34ANew 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 June 2, 2026, American Tower Corporation (the “Company”) sent a notice of partial redemption for €250,000,000 of its outstanding €600,000,000 aggregate principal amount 4.125% senior unsecured notes due 2027 (the “4.125% Notes”).

In accordance with the redemption provisions of the 4.125% Notes and the Indenture, dated as of June 1, 2022 (the “Base Indenture”), as supplemented by the Supplemental Indenture No. 2, dated as of May 16, 2023 (“Supplemental Indenture No. 2” and, together with the Base Indenture, the “4.125% Indenture”) among the Company, U.S. Bank Trust Company, National Association, as trustee, and U.S. Bank Europe DAC, UK Branch (f/k/a Elavon Financial Services DAC, UK Branch), as paying agent, the 4.125% Notes will be redeemed at a price equal to the principal amount of the 4.125% Notes to be redeemed then outstanding plus a make-whole premium calculated pursuant to the terms of the 4.125% Indenture, together with accrued and unpaid interest, if any, up to, but excluding, the redemption date, which has been set for June 18, 2026. Upon completion of the redemption, €350,000,000 of the 4.125% Notes will remain outstanding.



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.
AMERICAN TOWER CORPORATION
(Registrant)
Date:June 2, 2026By:/s/ Rodney M. Smith
Rodney M. Smith
Executive Vice President, Chief Financial Officer and Treasurer