0001053507-23-000080.txt : 20230314 0001053507-23-000080.hdr.sgml : 20230314 20230314162544 ACCESSION NUMBER: 0001053507-23-000080 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230310 FILED AS OF DATE: 20230314 DATE AS OF CHANGE: 20230314 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Chambliss Kelly C CENTRAL INDEX KEY: 0001684464 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14195 FILM NUMBER: 23731368 MAIL ADDRESS: STREET 1: C/O CORESITE REALTY CORPORATION STREET 2: 1001 17TH STREET, SUITE 500 CITY: DENVER STATE: CO ZIP: 80202 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_167882553167423.xml FORM 4 X0306 4 2023-03-10 0 0001053507 AMERICAN TOWER CORP /MA/ AMT 0001684464 Chambliss Kelly C 116 HUNTINGTON AVENUE BOSTON MA 02116 1 0 0 0 Common Stock 2023-03-10 4 A 0 1072 0 A 1072 D These restricted stock units ("RSUs") were granted pursuant to the 2007 Equity Incentive Plan, as amended, and vest on March 10, 2024. Each RSU represents a contingent right to receive one share of Common Stock. /s/ Marina A. Breed, as attorney-in-fact 2023-03-14