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On September 17, American Tower elected Kristen M. Ludgate to its board of directors, effective immediately. Ms. Ludgate previously served as the Chief People Officer at HP and held several leadership roles at 3M. She will also join the committee that oversees how the company pays its executives.
While a new director is a standard part of corporate governance, her background in organizational strategy and transformation at large global companies could be useful as American Tower shifts into a more disciplined growth phase. She will serve until the 2027 annual meeting, when shareholders will vote on her continued role.
Source: 8-K filing
SEC filing on 2026-09-14: 8-K, 8-K filing: entered a material agreement; took on new debt or obligations.
What the filing says (its own text, every fact in the card must come from here, and NAME the specific person, role and date it gives): 8-K AMERICAN TOWER CORP /MA/ false 0001053507 0001053507 2026-09-14 2026-09-14 0001053507 us-gaap:CommonStockMember 2026-09-14 2026-09-14 0001053507 amt:A0450SeniorNotesDue2027Member 2026-09-14 2026-09-14 0001053507 amt:A0400SeniorNotesDue2027Member 2026-09-14 2026-09-14 0001053507 amt:A4125SeniorNotesDue2027Member 2026-09-14 2026-09-14 0001053507 amt:A0500SeniorNotesDue2028Member 2026-09-14 2026-09-14 0001053507 amt:A0875SeniorNotesDue2029Member 2026-09-14 2026-09-14 0001053507 amt:A0950SeniorNotesDue2030Member 2026-09-14 2026-09-14 0001053507 amt:A3.900SeniorNotesDue2030Member 2026-09-14 2026-09-14 0001053507 amt:A4625SeniorNotesDue2031Member 2026-09-14 2026-09-14 0001053507 amt:A1.000SeniorNotesDue2032Member 2026-09-14 2026-09-14 0001053507 amt:A3.625SeniorNotesDue2032Member 2026-09-14 2026-09-14 0001053507 amt:A1250SeniorNotesDue2033Member 2026-09-14 2026-09-14 0001053507 amt:A4.000SeniorNotesDue2033Member 2026-09-14 2026-09-14 0001053507 amt:A4.100SeniorNotesDue2034Member 2026-09-14 2026-09-14 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): September 14, 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) (IRS 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 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 4.000% Senior Notes due 2033 AMT 33D 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 1.01 Entry into a Material Definitive Agreement. On September 14, 2026, American Tower Corporation (the "Company") completed a registered public offering of $500.0 million aggregate principal amount of its 5.300% senior unsecured notes due 2031 (the "2031 notes"), $500.0 million aggregate principal amount of its 5.560% senior unsecured notes due 2033 (the "2033 notes") and $600.0 million aggregate principal amount of its 5.750% senior unsecured notes due 2036 (the "2036 notes" and, collectively with the 2031 notes and the 2033 notes, the "Notes"), which resulted in aggregate net proceeds to the Company of approximately $1,579.9 million, after deducting commissions and estimated expenses. The Company intends to use the net proceeds to repay $600.0 million aggregate principal amount of its 1.450% senior unsecured notes due 2026, to repay existing indebtedness under its $6.0 billion senior unsecured multicurrency revolving credit facility, as amended and restated in December 2021, as further amended, and for general corporate purposes. The Company issued the Notes under an indenture dated as of June 2, 2025 (the "Base Indenture"), as supplemented by a supplemental indenture dated as of September 14, 2026 (the "Supplemental Indenture No. 3" and, together with the Base Indenture, the "Indenture"), each between the Company and U.S. Bank Trust Company, National Association, as trustee (the "Trustee"). The following description of the Indenture is a summary and is qualified in its entirety by reference to the detailed provisions of the Indenture. The 2031 notes will mature on September 15, 2031 and bear interest at a rate of 5.300% per annum. The 2033 notes will mature on September 15, 2033 and bear interest at a rate of 5.560% per annum. The 2036 notes will mature on September 15, 2036 and bear interest at a rate of 5.750% per annum. Accrued and unpaid interest on the Notes will be payable in U.S. Dollars semi-annually in arrears on March 15 and September 15 of each year, beginning on March 15, 2027. Interest on the Notes will accrue from September 14, 2026 and will be computed on the basis of a 360-day year comprised of twelve 30-day months. The terms of the Ind
Source: 8-K filing
American Tower priced a sale of $1.6 billion in senior notes, which are a type of corporate bond, with interest rates ranging from 5.3 percent to 5.56 percent. The money is intended to pay down existing debt and cover general corporate costs.
As a real estate business that owns thousands of cell towers, the company carries a lot of debt to fund its infrastructure. This move is routine housekeeping to push its debt deadlines further into the future. While the interest rates are higher than the rock-bottom levels of a few years ago, they are in line with today's market and keep the company's finances stable.
Source: Business Wire
CoreSite, the data center business owned by American Tower, opened a new direct connection to Oracle’s cloud network at its Silicon Valley campus. This setup, known as an on-ramp, allows companies to move data between their own servers and Oracle’s cloud without using the public internet, which is usually faster and more secure. While cell towers are this company's main business, its data centers are becoming more important as artificial intelligence and cloud computing grow. This move makes CoreSite’s Silicon Valley site more attractive to large tech customers who need reliable links to the major cloud providers.
Source: Business Wire
The race to build out artificial intelligence infrastructure has led to roughly $1.5 trillion in lease obligations from the world's largest technology companies. These firms are signing long-term contracts to secure the space and power needed for their AI chips. While these massive obligations carry risks if the AI boom cools, the immediate effect is a surge in demand for specialized real estate.
This trend matters because American Tower has expanded beyond cell towers into data centers. These facilities house the servers that process AI data, and having the biggest tech companies locked into long-term leases makes the company's income more predictable. As long as the AI buildout continues, American Tower sits in a strong position to capture this spending.
Management has cleared the bar in six of the last eight quarters, showing they have a firm handle on the business and set targets they can reliably hit.
| Expectation | |
|---|---|
| EPS | $1.64 |
| Revenue | $2.76B |
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