AMERICAN TOWER CORP /MA/ — Director's Dealing 2016

Mar 14, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TOWER CORP /MA/ (AMT)
CIK: 0001053507
Period of Report: 2016-03-10

Reporting Person: SHARBUTT DAVID E (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-03-10	Common Stock	A	1584	—	Acquired	5124	Direct
2016-03-11	Common Stock	M	12500	$35.72	Acquired	17624	Direct
2016-03-11	Common Stock	S	12500	$95.78	Disposed	5124	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-03-11	Option to Purchase Common Stock	$35.72	M	12500	Disposed	2016-09-01	Common Stock (12500)	Direct

Footnotes

F1: These Restricted Stock Units (RSUs) were granted pursuant to the 2007 Equity Incentive Plan and vest on March 10, 2017. Each RSU represents a contingent right to receive one share of Common Stock.

F2: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $95.55 to $96.12 per share.