AMERICAN TOWER CORP /MA/ — Director's Dealing 2019

Jan 4, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TOWER CORP /MA/ (AMT)
CIK: 0001053507
Period of Report: 2019-01-02

Reporting Person: THOMPSON SAMME L (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-01-02	Common Stock	M	2000	$28.39	Acquired	20625	Direct
2019-01-02	Common Stock	S	2000	$157.11	Disposed	18625	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-01-02	Option to Purchase Common Stock	$28.39	M	2000	Disposed	2019-03-10	Common Stock (2000)	Direct

Footnotes

F1: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 31, 2018.

F2: This option was granted pursuant to the 2007 Equity Incentive Plan, as amended.