American Tower · 8-K exhibit

AMERICAN TOWER CORP /MA/0001053507false00010535072026-06-022026-06-020001053507exch:XNYSus-gaap:CommonStockMember2026-06-022026-06-020001053507exch:XNYSamt:A0450SeniorNotesDue2027Member2026-06-022026-06-020001053507exch:XNYSamt:A0400SeniorNotesDue2027Member2026-06-022026-06-020001053507exch:XNYSamt:A4125SeniorNotesDue2027Member2026-06-022026-06-020001053507exch:XNYSamt:A0500SeniorNotesDue2028Member2026-06-022026-06-020001053507exch:XNYSamt:A0875SeniorNotesDue2029Member2026-06-022026-06-020001053507exch:XNYSamt:A0950SeniorNotesDue2030Member2026-06-022026-06-020001053507exch:XNYSamt:A3.900SeniorNotesDue2030Member2026-06-022026-06-020001053507exch:XNYSamt:A4625SeniorNotesDue2031Member2026-06-022026-06-020001053507exch:XNYSamt:A1.000SeniorNotesDue2032Member2026-06-022026-06-020001053507exch:XNYSamt:A3.625SeniorNotesDue2032Member2026-06-022026-06-020001053507exch:XNYSamt:A1250SeniorNotesDue2033Member2026-06-022026-06-020001053507exch:XNYSamt:A4.000SeniorNotesDue2033Member2026-06-022026-06-020001053507exch:XNYSamt:A4.100SeniorNotesDue2034Member2026-06-022026-06-02

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

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

(State or Other Jurisdiction of Incorporation)

(Commission File Number)

(I.R.S. Employer Identification No.)

(Address of Principal Executive Offices) (Zip Code)

(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 class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, $0.01 par value

AMT

New York Stock Exchange

New York Stock Exchange

New York Stock Exchange

New York Stock Exchange

New York Stock Exchange

New York Stock Exchange

New York Stock Exchange

New York Stock Exchange

New York Stock Exchange

New York Stock Exchange

New York Stock Exchange

New York Stock Exchange

New York Stock Exchange

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.

American Tower Corporation (the “Company”) is providing an update regarding its relationship with DISH Wireless L.L.C., a subsidiary of DISH Network Corporation (“DISH”). T1The Company delivered a notice of termination, effective June 2, 2026, to DISH of the Company’s Strategic Collocation Agreement entered into in March 2021 (the “SCA”) and related agreements with DISH. T2Beginning on January 1, 2026, 100% of DISH revenue has been reflected in churn and T3this termination is not expected to impact the Company’s financial results for the year ending December 31, 2026. T4The Company continues to pursue litigation against DISH with respect to its obligations under the SCA.

Cautionary Language Regarding Forward-Looking Statements

This current report on Form 8-K contains “forward-looking statements” concerning the Company’s goals, beliefs, expectations, strategies, objectives, plans, future operating results and underlying assumptions and other statements that are not necessarily based on historical facts. Actual results may differ materially from those indicated in the Company’s forward-looking statements as a result of various factors, including those factors set forth under the caption “Risk Factors” in Item 1A of its most recent annual report on Form 10-K, and other risks described in documents the Company subsequently files from time to time with the Securities and Exchange Commission. The Company undertakes no obligation to update the information contained in this current report on Form 8-K to reflect subsequently occurring events or circumstances.

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:

By:

/s/ Rodney M. Smith

Rodney M. Smith

Executive Vice President, Chief Financial Officer and Treasurer