8-K current report · filed Sep 9, 2026

American Tower (AMT) 8-K Current Report: September 9, 2026

Item 8.01Item EX-99.1AMT overview

Short answer

American Tower (AMT) filed an 8-K current report with the SEC on September 9, 2026 reporting Item 8.01 (Other Events), Item EX-99.1 (Exhibit EX-99.1). $1.6B senior unsecured notes priced across maturities due 2031, 2033 and 2036.

American Tower 8-K event analysis

AI summary of each reported item and its exhibits

Item 8.01 · Other Events

  • $1.6B senior unsecured notes priced across maturities due 2031, 2033 and 2036
  • 2031 notes: $500M at 5.300% interest, issued at 99.718% of face value
  • 2033 notes: $500M at 5.560% interest, issued at 99.776% of face value
  • 2036 notes: $600M at 5.750% interest, issued at 99.497% of face value
  • New debt increases fixed financing obligations through 2036, with proceeds and use detailed in Exhibit 99.1

Item EX-99.1 · Exhibit EX-99.1

  • $1.6B senior unsecured notes priced across 2031, 2033 and 2036 maturities
  • Coupon rates of 5.300%, 5.560% and 5.750%, increasing long-term interest expense
  • $1,579.9M net proceeds, including repayment of $600.0M 1.450% notes due 2026
  • Remaining proceeds targeted at revolving-credit debt repayment and general corporate purposes
  • Refinancing extends maturities but replaces low-cost debt with materially higher coupons

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