---
schema_version: "secwatch.filing_event.v1"
accession: "0001053507-26-000026"
form_type: "8-K"
ticker: "AMT"
cik: "0001053507"
company_name: "AMERICAN TOWER CORP /MA/"
filed_at: "2026-01-28T23:59:59+00:00"
generated_at: "2026-05-16T06:51:58.858552+00:00"
event_type: "litigation"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# American Tower reports DISH default on SCA; files declaratory judgment lawsuit

## Summary
- DISH Wireless failed to meet payment obligations and is in default under the March 2021 Strategic Collocation Agreement.
- American Tower filed a complaint seeking declaratory judgment that DISH is not excused from obligations and SCA remains in effect.
- Company does not expect the default to impact financial results for the year ended December 31, 2025.

## SEC filing metadata
- accession: 0001053507-26-000026
- form_type: 8-K
- ticker: AMT
- cik: 0001053507
- company_name: AMERICAN TOWER CORP /MA/
- filed_at: 2026-01-28T23:59:59+00:00
- event_type: litigation
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1053507/000105350726000026/0001053507-26-000026-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1053507/000105350726000026/amt-20260128.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001053507-26-000026
- JSON: https://secwatch.observer/filing/0001053507-26-000026.json
- Plain text: https://secwatch.observer/filing/0001053507-26-000026.txt

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