---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-390605"
form_type: "8-K"
ticker: "AMT"
cik: "0001053507"
company_name: "AMERICAN TOWER CORP /MA/"
filed_at: "2026-09-14T20:16:17+00:00"
generated_at: "2026-09-14T20:17:18.503897+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# American Tower issues $1.6B in three senior note tranches

## Summary
- Issued $500M 5.300% notes due 2031, $500M 5.560% notes due 2033, $600M 5.750% notes due 2036.
- Net proceeds of approximately $1,579.9M after deducting commissions and estimated expenses.
- Proceeds to be used to repay $600M 1.450% notes due 2026 and borrowings under $6.0B revolving credit facility.
- Notes are senior unsecured; redeemable at make-whole premium before certain dates, change-of-control repurchase at 101%.

## SEC filing metadata
- accession: 0001193125-26-390605
- form_type: 8-K
- ticker: AMT
- cik: 0001053507
- company_name: AMERICAN TOWER CORP /MA/
- filed_at: 2026-09-14T20:16:17+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1053507/000119312526390605/0001193125-26-390605-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1053507/000119312526390605/d156192d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-390605
- JSON: https://secwatch.observer/filing/0001193125-26-390605.json
- Plain text: https://secwatch.observer/filing/0001193125-26-390605.txt

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