[8-K] AMERICAN TOWER CORP /MA/ Reports Material Event

American Tower (AMT) announced that Robert J. Meyer, its Senior Vice President and Chief Accounting Officer, intends to retire.

Rhea-AI Filing Summary

American Tower (AMT) announced that Robert J. Meyer, its Senior Vice President and Chief Accounting Officer, intends to retire. He notified the company on November 5, 2025. The company has begun a search for his successor.

Meyer will remain in his current role until a successor is appointed, and then assist with the transition. His retirement will occur prior to the end of 2026. This plan provides continuity for financial reporting and accounting oversight during the leadership change.

Insights

Corporate governance analyst

Planned CAO retirement with structured transition; neutral impact.

American Tower disclosed that CAO Robert J. Meyer intends to retire, with notice given on November 5, 2025. He will stay until a successor is appointed and then support the handoff, with retirement occurring prior to the end of 2026.

This is a standard leadership transition in the finance function. The staged approach helps preserve continuity in accounting controls and reporting while the company conducts an external or internal search.

Actual impact will depend on timing of the appointment and the successor’s onboarding, which the company indicates will occur before the end of 2026. Subsequent filings may provide the effective date and successor details.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did American Tower (AMT) announce in this 8-K?

The company reported that Senior Vice President and Chief Accounting Officer Robert J. Meyer intends to retire.

When did Robert J. Meyer notify American Tower of his retirement plans?

He communicated his intention on November 5, 2025.

How long will Robert J. Meyer remain at American Tower (AMT)?

He will stay in his current role until a successor is appointed, then assist with transition.

When will Robert J. Meyer retire from American Tower (AMT)?

His retirement will occur prior to the end of 2026.

Is American Tower (AMT) conducting a search for a new CAO?

Yes. The company has begun a search to replace Mr. Meyer.

Does the filing mention any changes to other executive roles at AMT?

No. The announcement pertains specifically to the Chief Accounting Officer role.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 11/07/2025 - 08:33 AM Learn about SEC filing dates

AMERICAN TOWER CORP /MA/0001053507false00010535072025-11-052025-11-050001053507us-gaap:CommonStockMemberexch:XNYS2025-11-052025-11-050001053507amt:A1950SeniorNotesDue2026Memberexch:XNYS2025-11-052025-11-050001053507amt:A0450SeniorNotesDue2027Memberexch:XNYS2025-11-052025-11-050001053507amt:A0400SeniorNotesDue2027Memberexch:XNYS2025-11-052025-11-050001053507amt:A4125SeniorNotesDue2027Memberexch:XNYS2025-11-052025-11-050001053507amt:A0500SeniorNotesDue2028Memberexch:XNYS2025-11-052025-11-050001053507amt:A0875SeniorNotesDue2029Memberexch:XNYS2025-11-052025-11-050001053507amt:A0950SeniorNotesDue2030Memberexch:XNYS2025-11-052025-11-050001053507amt:A3.900SeniorNotesDue2030Memberexch:XNYS2025-11-052025-11-050001053507amt:A4625SeniorNotesDue2031Memberexch:XNYS2025-11-052025-11-050001053507amt:A1.000SeniorNotesDue2032Memberexch:XNYS2025-11-052025-11-050001053507amt:A3.625SeniorNotesDue2032Memberexch:XNYS2025-11-052025-11-050001053507amt:A1250SeniorNotesDue2033Memberexch:XNYS2025-11-052025-11-050001053507amt:A4.100SeniorNotesDue2034Memberexch:XNYS2025-11-052025-11-05

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): November 5, 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 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(b) On November 5, 2025, Robert J. Meyer communicated his intention to retire from his role as Senior Vice President and Chief Accounting Officer of American Tower Corporation (the “Company”). The Company is undertaking a search process to replace Mr. Meyer, who has agreed to remain with the Company in his current role until his successor is appointed, after which he will assist with the transition until his retirement from the Company, which will occur prior to the end of 2026.

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:			November 7, 2025			By:			/s/ Rodney M. Smith
									Rodney M. Smith
									Executive Vice President, Chief Financial Officer and Treasurer