# EDGAR Filing Document

**Accession Number:** 0001053507
**File Stem:** 0001193125-26-146429
**Filing Date:** 2026-4
**Character Count:** 1244
**Document Hash:** 4285d1eb93bb84743cfd0399fa40d087
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-146429.hdr.sgml**: 20260408

**ACCESSION NUMBER**: 0001193125-26-146429

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260408

**DATE AS OF CHANGE**: 20260408

**EFFECTIVENESS DATE**: 20260408

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMERICAN TOWER CORP /MA/
- **CENTRAL INDEX KEY:** 0001053507
- **STANDARD INDUSTRIAL CLASSIFICATION:** REAL ESTATE INVESTMENT TRUSTS [6798]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 650723837
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-14195
- **FILM NUMBER:** 26846628

**BUSINESS ADDRESS:**
- **STREET 1:** 222 BERKELEY STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116
- **BUSINESS PHONE:** 6173757500

**MAIL ADDRESS:**
- **STREET 1:** 222 BERKELEY STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AMERICAN TOWER SYSTEMS CORP
- **DATE OF NAME CHANGE:** 19980128

### Attached PDF Documents

**Attachment 1:** `d54935dars.pdf`

_No text found in this document._