---
schema_version: "secwatch.filing_event.v1"
accession: "0001053507-23-000167"
form_type: "8-K"
ticker: "AMT"
cik: "0001053507"
company_name: "AMERICAN TOWER CORP /MA/"
filed_at: "2023-12-14T23:59:59+00:00"
generated_at: "2026-06-07T12:30:45.820184+00:00"
event_type: "dividend"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# American Tower declares $1.70/share quarterly dividend; adopts universal proxy rule bylaw amendments

## Summary
- Quarterly cash distribution of $1.70 per share, payable Feb 1, 2024 to holders of record Dec 28, 2023.
- Bylaws amended effective Dec 13, 2023 to comply with SEC universal proxy rules under Rule 14a-19.
- Dividend rate unchanged from prior quarter; no change in quarterly payout.

## SEC filing metadata
- accession: 0001053507-23-000167
- form_type: 8-K
- ticker: AMT
- cik: 0001053507
- company_name: AMERICAN TOWER CORP /MA/
- filed_at: 2023-12-14T23:59:59+00:00
- event_type: dividend
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1053507/000105350723000167/0001053507-23-000167-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1053507/000105350723000167/amt-20231213.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001053507-23-000167
- JSON: https://secwatch.observer/filing/0001053507-23-000167.json
- Plain text: https://secwatch.observer/filing/0001053507-23-000167.txt

## Key facts
- Governance Changes
  AMERICAN TOWER CORP /MA/: Amended by-laws to update advance notice procedures and disclosure requirements for director nominees and proposals to comply with universal proxy rules (Rule 14a-19) (effective 2023-12-13).
  - Change: bylaw amendment
  - Effective: 2023-12-13
  source text: Effective December 13, 2023, the Board of Directors (the “Board”) of American Tower Corporation (the “Company”) adopted amendments to the Company’s Amended and Restated By-Laws (as so amended, the “By-Laws”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1053507/000105350723000167/0001053507-23-000167-index.htm

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