0001053507-21-000138.txt : 20210909 0001053507-21-000138.hdr.sgml : 20210909 20210909161709 ACCESSION NUMBER: 0001053507-21-000138 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210907 FILED AS OF DATE: 20210909 DATE AS OF CHANGE: 20210909 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: HORMATS ROBERT D CENTRAL INDEX KEY: 0001029613 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14195 FILM NUMBER: 211244595 MAIL ADDRESS: STREET 1: 85 BROAD STREET CITY: NEW YORK STATE: NY ZIP: 10004 ISSUER: 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 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 4 1 wf-form4_163121861412169.xml FORM 4 X0306 4 2021-09-07 0 0001053507 AMERICAN TOWER CORP /MA/ AMT 0001029613 HORMATS ROBERT D 116 HUNTINGTON AVENUE BOSTON MA 02116 1 0 0 0 Common Stock 2021-09-07 4 S 0 100 300.50 D 6240 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 6, 2021. /s/ Mneesha O. Nahata, as attorney-in-fact 2021-09-09