8-K Featured Impact 6/10 Debt Issuance

$AMT · AMERICAN TOWER CORP /MA/

November 9, 2026 · AI-analyzed SEC filing · Verify material figures against the official SEC.gov filing

American Tower priced a registered public offering of senior unsecured notes totaling $1.5B in aggregate principal: $450M 5.300% notes due 2031, $500M 5.560% notes due 2033, and $550M 5.750% notes due 2036. Each tranche is fungible with existing notes issued September 14, 2026. Net proceeds are expected to be $1,474.9M, used to repay existing indebtedness under its $6.0B revolving credit facility and for general corporate purposes.

  • $450M 5.300% notes due 2031 priced at 99.387% of face value.
  • $500M 5.560% notes due 2033 priced at 99.369% of face value.
  • $550M 5.750% notes due 2036 priced at 98.986% of face value.
  • Net proceeds expected at $1,474.9M after underwriting discounts and expenses.
  • Proceeds to repay the $6.0B multicurrency revolving credit facility and for general corporate purposes.

Extended-hours last trade $186.95, down 1.08% vs regular close and 1.10% vs price at filing, a modest negative drift on a routine refinancing.

A routine, low-cost refinancing that extends American Tower's debt maturity profile without changing its capital structure materially.

_Not applicable._

Incremental leverage from the new notes adds to American Tower's existing debt load, though proceeds refinance revolver borrowings rather than fund new spending.

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