0001053507-23-000014.txt : 20230208 0001053507-23-000014.hdr.sgml : 20230208 20230208161624 ACCESSION NUMBER: 0001053507-23-000014 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230206 FILED AS OF DATE: 20230208 DATE AS OF CHANGE: 20230208 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: THOMPSON SAMME L CENTRAL INDEX KEY: 0001197598 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14195 FILM NUMBER: 23599296 MAIL ADDRESS: STREET 1: C/O TELIT ASSOCIATES, INC. STREET 2: 333 NORTH MICHIGAN AVENUE CITY: CHICAGO STATE: IL ZIP: 60601 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_167589097056395.xml FORM 4 X0306 4 2023-02-06 0 0001053507 AMERICAN TOWER CORP /MA/ AMT 0001197598 THOMPSON SAMME L 116 HUNTINGTON AVENUE BOSTON MA 02116 1 0 0 0 Common Stock 2023-02-06 4 M 0 1739 76.90 A 23838 D Common Stock 2023-02-06 4 S 0 1739 218.59 D 22099 D Option to Purchase Common Stock 76.9 2023-02-06 4 M 0 1739 0 D 2013-03-11 2023-03-11 Common Stock 1739.0 0 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 28, 2022. This option was granted pursuant to the 2007 Equity Incentive Plan, as amended. /s/ Marina A. Breed, as attorney-in-fact 2023-02-08