Welcome to our dedicated page for American Tower SEC filings (Ticker: AMT), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
American Tower Corporation (NYSE: AMT) files a broad range of documents with the U.S. Securities and Exchange Commission that provide detailed information on its operations as a global REIT focused on multitenant communications real estate and U.S. data centers. On this page, you can review AMT’s SEC filings alongside AI-powered summaries that help explain the key points in clear language.
Core filings for American Tower include annual reports on Form 10-K and quarterly reports on Form 10-Q, which describe the company’s U.S. & Canada, international property and Data Centers segments, as well as risk factors, liquidity, capital structure and the impact of foreign currency on its results. These reports also discuss how the company’s portfolio of communications sites and data centers supports global data demand and leasing activity.
Current reports on Form 8-K are particularly important for tracking material events. Recent 8-K filings have covered quarterly earnings announcements, cash distributions on common stock, senior note offerings and legal or customer matters. For example, filings describe registered public offerings of senior unsecured notes with various maturities and interest rates, with proceeds used to repay revolving credit facilities and for general corporate purposes. Other 8-Ks outline agreements with customers such as AT&T Mexico and changes in the Board of Directors or senior management.
American Tower also has multiple series of senior notes registered under Section 12(b) of the Exchange Act, and related indentures and supplemental indentures are filed as exhibits. These documents detail covenants limiting mergers, asset sales and certain liens, as well as redemption terms and events of default.
With real-time updates from EDGAR and AI-generated highlights, this filings page allows users to quickly identify significant items in AMT’s 10-Ks, 10-Qs, 8-Ks and note indentures, and to monitor distributions, financing activities and other regulatory disclosures without reading every page manually.
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.
Ruth T. Dowling, Executive Vice President, Chief Administrative Officer, General Counsel and Secretary of American Tower Corp (AMT), reported a sale of 55 shares of Common Stock on 10/01/2025 at a price of $193.32 per share. The filing explains the 55 shares were delivered to the issuer to satisfy withholding taxes related to the vesting of restricted stock units previously granted under the company’s 2007 Equity Incentive Plan. After the transaction the reporting person beneficially owns 21,262 shares, which includes 35 shares acquired under the issuer’s employee stock purchase plan in May 2025.
American Tower Corporation reports progress in its dispute with AT&T Mexico over tower rent payments. AT&T Mexico, which accounted for approximately $300 million of tenant revenue in 2024, had been withholding tower rents since the start of 2025 while the parties pursued arbitration.
On September 23, 2025, the companies reached an agreement under which AT&T Mexico will pay the majority of the previously withheld tower rents and resume monthly payments for the majority of its owed tower rents going forward. The remaining outstanding receivables and future unpaid amounts will be placed into an irrevocable escrow account, managed by an independent trustee, to be released based on the final arbitration ruling or by mutual consent of the parties.
Eugene F. Reilly, a director of American Tower Corp (AMT), reported transactions dated 09/19/2025. He disposed of 135 shares of AMT common stock. The filing also reports a derivative transaction: a call option (obligation to sell) with $220 strike showing a related disposition of 100 underlying shares and 0 shares held thereafter. The form is signed by an attorney-in-fact on 09/23/2025.
American Tower Corporation announced that its Board of Directors declared a cash distribution of $1.70 per share on the company’s common stock. The distribution is payable on October 20, 2025 to stockholders of record at the close of business on September 30, 2025. The company filed a copy of the press release as Exhibit 99.1 to this report. This disclosure supplies the key payment amount and the specific record and payment dates for shareholders entitled to receive the distribution.
American Tower Corporation filed an Form 8-K reporting a material event dated September 16, 2025. The filing includes an opinion of Cleary Gottlieb Steen & Hamilton LLP and the consent of Cleary Gottlieb (referenced as Exhibit 5.1). The submission also states that a Cover Page Interactive Data File is embedded within the Inline XBRL document. The document identifies American Tower as the registrant and supplies the listed legal opinion and consent as part of the filing record.
American Tower Corporation has priced a registered public offering of senior unsecured notes, adding $200.0 million of notes due 2030 and $375.0 million of notes due 2035.
The new 2030 notes carry a 4.900% annual interest rate and are being issued at 102.452% of face value, and will form a single, fully fungible series with the company’s existing $650,000,000 4.900% senior unsecured notes due 2030 issued on March 14, 2025.
The new 2035 notes carry a 5.350% annual interest rate and are being issued at 103.567% of face value, and will consolidate into the existing $350,000,000 5.350% senior unsecured notes due 2035 from March 14, 2025, effectively increasing both series’ total size.
American Tower Corporation is offering senior notes: 4.900% due 2030 and 5.350% due 2035. Interest is payable March 15 and September 15, beginning March 15, 2026, and will accrue from September 15, 2025. The notes are issued in minimum denominations of $2,000 and multiples of $1,000, will not be listed on any exchange, and U.S. Bank Trust Company, National Association is the trustee.
The company states the net proceeds are expected to be approximately an amount not specified in the text and intends to use proceeds to repay indebtedness under its 2021 Multicurrency Credit Facility and 2021 Credit Facility and for general corporate purposes. The notes are redeemable at the issuer’s option, with a make-whole premium if redeemed before specified dates, and require an offer to purchase at 101% upon a Change of Control and Ratings Decline. As of June 30, 2025, American Tower reported nearly 150,000 communications sites globally and 30 U.S. data center facilities.
American Tower Corporation used a conference appearance to highlight a dispute with a major customer in Mexico. AT&T Mexico, which represented approximately $300 million of tenant revenue in 2024, has been withholding tower rent payments since the start of 2025, leading the company to record about $10 million of reserves in the second quarter of 2025 and indicating that additional reserves are likely if non-payment continues.
The company believes it has valid defenses, is vigorously defending the full enforceability of its Master Lease Agreement with AT&T Mexico, and has an arbitration hearing scheduled for August 2026. Separately, management noted that DISH Network accounts for roughly 2% of total annual property revenue and 4% of U.S. & Canada property revenue under a Master Lease Agreement running through 2036, providing context on customer concentration.
Reilly Eugene F filed an initial Form 3 reporting ownership of 135 shares of American Tower Corporation (AMT) common stock held directly. The filing notes a call option (obligation to sell) on 100 common shares exercisable 08/18/2025 and expiring 09/19/2025 with a $220 exercise price. The reporting person is identified as a Director and the triggering event date is 08/22/2025. The form was signed by an attorney-in-fact on 08/29/2025. The call option was entered into prior to the director appointment.