Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001053507-26-000035
Filing Date
2026-02-24
Accepted
2026-02-24 16:08:23
Documents
175
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 10-K amt-20251231.htm   iXBRL 10-K 4332424
2 EX-4.35 exhibit435fy2025.htm EX-4.35 286003
3 EX-10.32 exhibit1032fy2025.htm EX-10.32 16144
4 EX-19.1 exhibit191fy2025.htm EX-19.1 96744
5 EX-21 exhibit21fy2025.htm EX-21 208151
6 EX-23 exhibit23fy2025.htm EX-23 2506
7 EX-31.1 exhibit311fy2025.htm EX-31.1 12261
8 EX-31.2 exhibit312fy2025.htm EX-31.2 12610
9 EX-32 exhibit32fy2025.htm EX-32 8256
10 EX-97 exhibit97fy2025.htm EX-97 50967
16 amt-20251231_g1.jpg GRAPHIC 36412
17 amtlogoa.jpg GRAPHIC 13382
18 image.jpg GRAPHIC 38157
  Complete submission text file 0001053507-26-000035.txt   24447788

Data Files

Seq Description Document Type Size
11 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT amt-20251231.xsd EX-101.SCH 151814
12 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT amt-20251231_cal.xml EX-101.CAL 193302
13 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT amt-20251231_def.xml EX-101.DEF 903153
14 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT amt-20251231_lab.xml EX-101.LAB 1535291
15 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT amt-20251231_pre.xml EX-101.PRE 1309840
178 EXTRACTED XBRL INSTANCE DOCUMENT amt-20251231_htm.xml XML 4422279
Mailing Address 222 BERKELEY STREET BOSTON MA 02116
Business Address 222 BERKELEY STREET BOSTON MA 02116 6173757500
AMERICAN TOWER CORP /MA/ (Filer) CIK: 0001053507 (see all company filings)

EIN.: 650723837 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-14195 | Film No.: 26671596
SIC: 6798 Real Estate Investment Trusts
(CF Office: 05 Real Estate & Construction)