---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-236155"
form_type: "8-K"
ticker: "AMT"
cik: "0001053507"
company_name: "AMERICAN TOWER CORP /MA/"
filed_at: "2023-09-15T23:59:59+00:00"
generated_at: "2026-06-10T15:54:36.022142+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# American Tower issues $1.5B senior notes at 5.8% and 5.9% to repay revolver

## Summary
- Issued $750M of 5.800% senior notes due 2028 and $750M of 5.900% senior notes due 2033.
- Net proceeds of ~$1.4828B after commissions and expenses.
- Proceeds used to repay borrowings under its $6.0B revolving credit facility.
- Interest payable semi-annually on May 15 and Nov 15 starting May 2024.
- Notes subject to make-whole redemption prior to Oct 15, 2028 and Aug 15, 2033 respectively.

## SEC filing metadata
- accession: 0001193125-23-236155
- form_type: 8-K
- ticker: AMT
- cik: 0001053507
- company_name: AMERICAN TOWER CORP /MA/
- filed_at: 2023-09-15T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1053507/000119312523236155/0001193125-23-236155-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1053507/000119312523236155/d481989d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-236155
- JSON: https://secwatch.observer/filing/0001193125-23-236155.json
- Plain text: https://secwatch.observer/filing/0001193125-23-236155.txt

## Key facts
- Debt Financings
  AMERICAN TOWER CORP /MA/ incurred senior notes of $750.0 million aggregate principal amount of its 5.800% senior unsecured notes due 2028 and $750.0 million aggregate pri with U.S. Bank Trust Company, National Association at 5.800% per annum and 5.900% per annum maturing November 15, 2028 and November 15, 2033.
  - Instrument: senior notes
  - Principal: $750.0 million aggregate principal amount of its 5.800% senior unsecured notes due 2028 and $750.0 million aggregate pri
  - Counterparty: U.S. Bank Trust Company, National Association
  - Rate: 5.800% per annum and 5.900% per annum
  - Maturity: November 15, 2028 and November 15, 2033
  - Event: incurrence
  source text: On September 15, 2023, American Tower Corporation (the “Company”) completed a registered public offering of $750.0 million aggregate principal amount of its 5.800% senior unsecured notes due 2028 (the “2028 notes”) and $750.0 million aggregate principal amount of its 5.900% senior unsecured notes due 2033 (the “2033 notes” and, together with the 2028 notes, the “Notes”), which resulted in aggregate net proceeds to the Company of approximately $1,482.8 million, after deducting commissions and estimated expenses.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1053507/000119312523236155/0001193125-23-236155-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.