0001972362-24-000243.txt : 20240228 0001972362-24-000243.hdr.sgml : 20240228 20240228180522 ACCESSION NUMBER: 0001972362-24-000243 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240228 DATE AS OF CHANGE: 20240228 SUBJECT COMPANY: 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 IRS NUMBER: 650723837 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-14195 FILM NUMBER: 24697693 BUSINESS ADDRESS: STREET 1: 116 HUNTINGTON AVE CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 6173757500 MAIL ADDRESS: STREET 1: 116 HUNTINGTON AVE CITY: BOSTON STATE: MA ZIP: 02116 FORMER COMPANY: FORMER CONFORMED NAME: AMERICAN TOWER SYSTEMS CORP DATE OF NAME CHANGE: 19980128 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: REEVE PAMELA D A CENTRAL INDEX KEY: 0001032946 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O AMERICAN TOWER CORPORATION STREET 2: 116 HUNTINGTON AVE CITY: BOSTON STATE: MA ZIP: 02116 144 1 primary_doc.xml 144 0001032946 XXXXXXXX LIVE 0001053507 AMERICAN TOWER CORP /MA/ 001-14195 116 HUNTINGTON AVE BOSTON MA 02116 6173757500 REEVE PAMELA D A Director COMMON Morgan Stanley Smith Barney LLC Executive Services

200 W Civic Center Dr - 4th Floor SANDY UT 84070

5054 962580.72 466200000 02/28/2024 NYSE COMMON 02/28/2024 STOCK OPTION EXERCISE ISSUER N 5054 02/28/2024 COMPENSATION Y 02/28/2024 /s/ Pamela D A Reeve