---
schema_version: "secwatch.filing_event.v1"
accession: "0001053507-26-000145"
form_type: "8-K"
ticker: "AMT"
cik: "0001053507"
company_name: "AMERICAN TOWER CORP /MA/"
filed_at: "2026-09-18T12:50:18+00:00"
generated_at: "2026-09-18T12:55:07.044951+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# American Tower elects Kristen M. Ludgate to board; declares $1.79 quarterly dividend

## Summary
- Kristen M. Ludgate elected director and Compensation and Human Capital Committee member, effective Sept 17, 2026.
- Ludgate was HP Inc. Chief People Officer (2021-2025); prior 15+ years at 3M in HR, legal, compliance roles.
- Quarterly cash distribution of $1.79 per share declared, payable Oct 20, 2026 to holders of record Sept 30, 2026.
- Ludgate serves on Associated Banc-Corp board (Compensation chair) and previously on OpenText board.

## SEC filing metadata
- accession: 0001053507-26-000145
- form_type: 8-K
- ticker: AMT
- cik: 0001053507
- company_name: AMERICAN TOWER CORP /MA/
- filed_at: 2026-09-18T12:50:18+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1053507/000105350726000145/0001053507-26-000145-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1053507/000105350726000145/amt-20260917.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001053507-26-000145
- JSON: https://secwatch.observer/filing/0001053507-26-000145.json
- Plain text: https://secwatch.observer/filing/0001053507-26-000145.txt

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