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

Jun 12, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TOWER CORP /MA/ (AMT)
CIK: 0001053507
Period of Report: 2019-06-10

Reporting Person: Puech Olivier (EVP & President, LatAm & EMEA)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-06-10	Common Stock	M	4142	$94.57	Acquired	23416	Direct
2019-06-10	Common Stock	M	4078	$94.71	Acquired	27494	Direct
2019-06-10	Common Stock	S	2955	$209.91	Disposed	24539	Direct
2019-06-10	Common Stock	S	5165	$210.37	Disposed	19374	Direct
2019-06-10	Common Stock	S	227	$212.82	Disposed	19147	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-06-10	Option to Purchase Common Stock	$94.57	M	4142	Disposed	2025-03-10	Common Stock (4142)	Direct
2019-06-10	Option to Purchase Common Stock	$94.71	M	4078	Disposed	2026-03-10	Common Stock (4078)	Direct

Footnotes

F1: Includes 127 shares acquired under the issuer's employee stock purchase plan in May 2019.

F2: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 10, 2019.

F3: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $209.07 to $210.06 per share.

F4: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $210.08 to $210.98 per share.

F5: This option was granted pursuant to the 2007 Equity Incentive Plan, as amended (the "Plan"), and is exercisable in 25% cumulative annual increments beginning March 10, 2016.

F6: This option was granted pursuant to the Plan and is exercisable in 25% cumulative annual increments beginning March 10, 2017.