0001950047-24-001379.txt : 20240226 0001950047-24-001379.hdr.sgml : 20240226 20240226160244 ACCESSION NUMBER: 0001950047-24-001379 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240226 DATE AS OF CHANGE: 20240226 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: 24678569 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: THOMPSON SAMME L CENTRAL INDEX KEY: 0001197598 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O TELIT ASSOCIATES, INC. STREET 2: 333 NORTH MICHIGAN AVENUE CITY: CHICAGO STATE: IL ZIP: 60601 144 1 primary_doc.xml 144 0001197598 XXXXXXXX LIVE 0001053507 AMERICAN TOWER CORPORATION 001-14195 116 Huntington Avenue Boston MA 02116 (617) 375-7500 SAMME THOMPSON Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

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2527 480690.49 466165118 02/26/2024 NYSE COMMON 02/26/2024 Stock Option Exercise ISSUER N 2527 02/26/2024 Cash Y 02/26/2024 10/27/2023 /s/ Samme L Thompson