American Tower (NYSE: AMT) director Hormats to leave board after 2026 meeting

Rhea-AI Filing Summary

American Tower Corporation reported that board member Robert D. Hormats has decided not to stand for re-election at the company’s 2026 Annual Meeting of Stockholders. The company stated that his decision did not involve any disagreements with American Tower. Hormats currently serves on the Nominating & Corporate Governance Committee and will continue in this role until the Annual Meeting.

AMERICAN TOWER CORP /MA/0001053507false00010535072026-03-062026-03-060001053507us-gaap:CommonStockMemberexch:XNYS2026-03-062026-03-060001053507amt:A1950SeniorNotesDue2026Memberexch:XNYS2026-03-062026-03-060001053507amt:A0450SeniorNotesDue2027Memberexch:XNYS2026-03-062026-03-060001053507amt:A0400SeniorNotesDue2027Memberexch:XNYS2026-03-062026-03-060001053507amt:A4125SeniorNotesDue2027Memberexch:XNYS2026-03-062026-03-060001053507amt:A0500SeniorNotesDue2028Memberexch:XNYS2026-03-062026-03-060001053507amt:A0875SeniorNotesDue2029Memberexch:XNYS2026-03-062026-03-060001053507amt:A0950SeniorNotesDue2030Memberexch:XNYS2026-03-062026-03-060001053507amt:A3.900SeniorNotesDue2030Memberexch:XNYS2026-03-062026-03-060001053507amt:A4625SeniorNotesDue2031Memberexch:XNYS2026-03-062026-03-060001053507amt:A1.000SeniorNotesDue2032Memberexch:XNYS2026-03-062026-03-060001053507amt:A3.625SeniorNotesDue2032Memberexch:XNYS2026-03-062026-03-060001053507amt:A1250SeniorNotesDue2033Memberexch:XNYS2026-03-062026-03-060001053507amt:A4.100SeniorNotesDue2034Memberexch:XNYS2026-03-062026-03-06

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

FAQ

What board change did American Tower (AMT) disclose in this 8-K?

American Tower disclosed that director Robert D. Hormats has decided not to stand for re-election at the company’s 2026 Annual Meeting of Stockholders. He will serve out his current term and remain on the Nominating & Corporate Governance Committee until then.

Did Robert D. Hormats resign due to disagreements with American Tower (AMT)?

No. The company stated that Mr. Hormats’ decision to not stand for re-election did not involve any disagreements with American Tower. This indicates his departure is presented as a personal decision rather than a dispute over company policies, practices, or operations.

What committee does Robert D. Hormats serve on at American Tower (AMT)?

Robert D. Hormats is a member of the Nominating & Corporate Governance Committee of American Tower’s Board of Directors. He will continue to serve on this committee until the company’s 2026 Annual Meeting of Stockholders, when his board term ends.

Until when will Robert D. Hormats continue serving American Tower (AMT)?

Robert D. Hormats will continue serving as a director and as a member of the Nominating & Corporate Governance Committee until American Tower’s 2026 Annual Meeting of Stockholders. After that meeting, he will no longer serve on the Board of Directors.

Who signed the American Tower (AMT) report announcing the director change?

The report was signed on behalf of American Tower by Rodney M. Smith, the company’s Executive Vice President, Chief Financial Officer and Treasurer. His signature indicates the company’s official authorization of the disclosure regarding the board transition.

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