0001338678-12-000039.txt : 20120702 0001338678-12-000039.hdr.sgml : 20120702 20120702173727 ACCESSION NUMBER: 0001338678-12-000039 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120629 FILED AS OF DATE: 20120702 DATE AS OF CHANGE: 20120702 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Marshall Steven C. CENTRAL INDEX KEY: 0001417856 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-14195 FILM NUMBER: 12941394 MAIL ADDRESS: STREET 1: C/O AMERICAN TOWER CORPORATION STREET 2: 116 HUNTINGTON AVE., 11TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 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 edgar.xml PRIMARY DOCUMENT X0306 4 2012-06-29 0001053507 AMERICAN TOWER CORP /MA/ AMT 0001417856 Marshall Steven C. 116 HUNTINGTON AVENUE BOSTON MA 02116 0 1 0 0 EVP & President, U.S. Tower Common Stock 2012-06-29 4 M 0 51488 28.39 A 54898 D Common Stock 2012-06-29 4 S 0 51488 70.13 D 3410 D Option to Purchase Common Stock 28.39 2012-06-29 4 M 0 51488 0 D 2019-03-10 Common Stock 51488 17162 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan. This option was granted pursuant to the 2007 Equity Incentive Plan, and vests in 25% cumulative annual increments beginning March 10, 2010. /s/ Michael J. McCormack, as attorney-in-fact 2012-07-02