<SEC-DOCUMENT>0001053507-20-000082-index.html : 20200406 <SEC-HEADER>0001053507-20-000082.hdr.sgml : 20200406 <ACCEPTANCE-DATETIME>20200406084427 ACCESSION NUMBER: 0001053507-20-000082 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 5 FILED AS OF DATE: 20200406 DATE AS OF CHANGE: 20200406 EFFECTIVENESS DATE: 20200406 FILER: COMPANY DATA: COMPANY CONFORMED NAME: AMERICAN TOWER CORP /MA/ CENTRAL INDEX KEY: 0001053507 STANDARD INDUSTRIAL CLASSIFICATION: REAL ESTATE INVESTMENT TRUSTS [6798] IRS NUMBER: 650723837 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-14195 FILM NUMBER: 20775852 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 </SEC-HEADER> <DOCUMENT> <TYPE>DEFA14A <SEQUENCE>1 <FILENAME>americantowercorporation20.htm <DESCRIPTION>DEFA14A <TEXT> Document 1 - file: americantowercorporation20.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>notice120201.jpg <TEXT> Document 2 - file: notice120201.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>notice220201.jpg <TEXT> Document 3 - file: notice220201.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>notice320201.jpg <TEXT> Document 4 - file: notice320201.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>notice420201.jpg <TEXT> Document 5 - file: notice420201.jpg
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