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AMT · Current Report (Form 8-K) · Filed March 10, 2026

American Tower Corp — Current Report (Form 8-K)

Form
8-K
Filed
March 10, 2026
Period
Mar 6, 2026
Ticker
AMT
Accession
0001053507-26-000048
Boardroom Alpha · Filing insights

Robert D. Hormats will not stand for re-election at the 2026 Meeting; remains on the Nominating & Corporate Governance Committee.

About American Tower Corp
Market cap
$86.4B
1Y TSR
−13.7%
3Y TSR
+1.7%
Board grade
C
Sector
Real Estate
CEO
Steven O Vondran
Last annual meeting: May 20, 2026 · View full American Tower Corp profile →
amt-20260306

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): March 6, 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)
(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 classTrading Symbol(s)Name of each exchange on which registered
Common Stock, $0.01 par value AMTNew York Stock Exchange
1.950% Senior Notes due 2026AMT 26BNew 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
4.100% 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 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(b) On March 6, 2026, Robert D. Hormats notified the Corporate Secretary of American Tower Corporation (the “Company”) of his decision to not stand for re-election as a director at the Company’s 2026 Annual Meeting of Stockholders (the “Annual Meeting”). Mr. Hormats’ decision to not stand for re-election did not involve any disagreements with the Company. Mr. Hormats is currently a member of the Nominating & Corporate Governance Committee of the Board of Directors of the Company and will continue his service on such committee until the Annual Meeting.




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:March 10, 2026By:/s/ Rodney M. Smith
Rodney M. Smith
Executive Vice President, Chief Financial Officer and Treasurer


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Reference

Frequently asked questions

When did American Tower Corp file this 8-K?
American Tower Corp (AMT) filed this Current Report (Form 8-K) with the SEC on March 10, 2026. The accession number assigned by EDGAR is 0001053507-26-000048.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Robert D. Hormats will not stand for re-election at the 2026 Meeting; remains on the Nominating & Corporate Governance Committee. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find American Tower Corp's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K American Tower Corp has filed under CIK 1053507, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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