AMERICAN TOWER CORP /MA/ - Director's Dealing 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TOWER CORP /MA/ (AMT)
CIK: 0001053507
Period of Report: 2021-07-12

Reporting Person: Vondran Steven O (EVP & President, U.S. Tower)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-07-12	Common Stock	S	1478	$278.01	Disposed	25755	Direct
2021-07-12	Common Stock	S	6268	$279.31	Disposed	19487	Direct
2021-07-12	Common Stock	S	300	$279.79	Disposed	19187	Direct
2021-07-13	Common Stock	S	816	$278.14	Disposed	18371	Direct

F1: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 11, 2021.

F2: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $277.71 to $278.63 per share.

F3: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $278.76 to $279.75 per share.