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: TAICLET JAMES D JR (Director, Chairman, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-03-10	Common Stock	A	38011	—	Acquired	253764	Direct
2016-03-10	Common Stock	F	9011	$94.71	Disposed	244753	Direct
2016-03-11	Common Stock	F	6544	$98.46	Disposed	238209	Direct
2016-03-12	Common Stock	F	7137	$98.46	Disposed	231072	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1420	Indirect
Common Stock	74887	Indirect

Footnotes

F1: These Restricted Stock Units (RSUs) were granted pursuant to the 2007 Equity Incentive Plan and vest in 25% cumulative annual increments beginning March 10, 2017. Each RSU respresents a contingent right to receive one share of Common Stock.

F2: Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of RSUs previously granted under the 2007 Equity Incentive Plan.

F3: The reporting person disclaims beneficial ownership in shares owned by minor children.