American Tower (AMT) announces Q3 2025 results; 8‑K furnished

American Tower Corporation filed an 8‑K stating it announced financial results for the quarter ended September 30, 2025.

Rhea-AI Filing Summary

American Tower Corporation filed an 8‑K stating it announced financial results for the quarter ended September 30, 2025. The company furnished a press release as Exhibit 99.1 under Item 2.02 (Results of Operations and Financial Condition).

The press release is furnished and not deemed filed under Section 18 of the Exchange Act, and is only incorporated by reference where expressly specified.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

What did AMT (American Tower) disclose in this 8‑K?

It announced financial results for the quarter ended September 30, 2025, and furnished a press release as Exhibit 99.1 under Item 2.02.

Which period do the results cover for AMT?

The results cover the quarter ended September 30, 2025.

Where can I find the detailed results for AMT?

In Exhibit 99.1, the press release furnished with the 8‑K.

Is the press release considered filed under the Exchange Act?

No. It is furnished and not deemed filed under Section 18 of the Exchange Act.

Which item of the 8‑K applies to AMT’s disclosure?

Item 2.02, Results of Operations and Financial Condition.

What is the significance of Exhibit 99.1 in AMT’s 8‑K?

Exhibit 99.1 contains the press release announcing the quarterly financial results.

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Accepted by SEC EDGAR 10/28/2025 - 07:04 AM Learn about SEC filing dates

AMERICAN TOWER CORP /MA/0001053507false00010535072025-10-282025-10-280001053507exch:XNYSus-gaap:CommonStockMember2025-10-282025-10-280001053507exch:XNYSamt:A1950SeniorNotesDue2026Member2025-10-282025-10-280001053507exch:XNYSamt:A0450SeniorNotesDue2027Member2025-10-282025-10-280001053507exch:XNYSamt:A0400SeniorNotesDue2027Member2025-10-282025-10-280001053507exch:XNYSamt:A4125SeniorNotesDue2027Member2025-10-282025-10-280001053507exch:XNYSamt:A0500SeniorNotesDue2028Member2025-10-282025-10-280001053507exch:XNYSamt:A0875SeniorNotesDue2029Member2025-10-282025-10-280001053507exch:XNYSamt:A0950SeniorNotesDue2030Member2025-10-282025-10-280001053507exch:XNYSamt:A3.900SeniorNotesDue2030Member2025-10-282025-10-280001053507exch:XNYSamt:A4625SeniorNotesDue2031Member2025-10-282025-10-280001053507exch:XNYSamt:A1.000SeniorNotesDue2032Member2025-10-282025-10-280001053507exch:XNYSamt:A3.625SeniorNotesDue2032Member2025-10-282025-10-280001053507exch:XNYSamt:A1250SeniorNotesDue2033Member2025-10-282025-10-280001053507exch:XNYSamt:A4.100SeniorNotesDue2034Member2025-10-282025-10-28

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): October 28, 2025

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.)

116 Huntington Avenue

Boston, Massachusetts 02116

(Address of Principal Executive Offices) (Zip Code)

(617) 375-7500

(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 class			Trading Symbol(s)			Name of each exchange on which registered
Common Stock, $0.01 par value			AMT			New York Stock Exchange
1.950% Senior Notes due 2026			AMT 26B			New York Stock Exchange
0.450% Senior Notes due 2027			AMT 27C			New York Stock Exchange
0.400% Senior Notes due 2027			AMT 27D			New York Stock Exchange
4.125% Senior Notes due 2027			AMT 27F			New York Stock Exchange
0.500% Senior Notes due 2028			AMT 28A			New York Stock Exchange
0.875% Senior Notes due 2029			AMT 29B			New York Stock Exchange
0.950% Senior Notes due 2030			AMT 30C			New York Stock Exchange
3.900% Senior Notes due 2030			AMT 30D			New York Stock Exchange
4.625% Senior Notes due 2031			AMT 31B			New York Stock Exchange
1.000% Senior Notes due 2032			AMT 32			New York Stock Exchange
3.625% Senior Notes due 2032			AMT 32B			New York Stock Exchange
1.250% Senior Notes due 2033			AMT 33			New York Stock Exchange
4.100% Senior Notes due 2034			AMT 34A			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 2.02    Results of Operations and Financial Condition.

On October 28, 2025, American Tower Corporation (the “Company”) issued a press release (the “Press Release”) announcing financial results for the quarter ended September 30, 2025. A copy of the Press Release is furnished herewith as Exhibit 99.1.

Exhibit 99.1 is furnished and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such exhibit be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits

Exhibit No.						Description
99.1						Press Release, dated October 28, 2025 (Furnished herewith).
104						Cover Page Interactive Data File (embedded within the Inline XBRL document).

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:			October 28, 2025			By:			/s/ Rodney M. Smith
									Rodney M. Smith
									Executive Vice President, Chief Financial Officer and Treasurer