Meyer Robert Joseph JR Form 4 AMERICAN TOWER / Robert Joseph Meyer JR ownership change

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Meyer Robert Joseph JR

(Last) (First) (Middle)

116 HUNTINGTON AVENUE

(Street)

BOSTON MA 02116

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AMERICAN TOWER CORP /MA/ [ AMT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
SVP, Finance & Corp Controller

3. Date of Earliest Transaction (Month/Day/Year)
04/28/2017

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/28/2017		M		10,000	A	$43.11	36,060	D
Common Stock	04/28/2017		M		11,690	A	$50.78	47,750	D
Common Stock	04/28/2017		S		21,690	D	$125.78(1)	26,060	D
Common Stock	05/01/2017		M		15,796	A	$62	41,856	D
Common Stock	05/01/2017		S		18,963	D	$126.59(2)	22,893	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Option to Purchase Common Stock	$43.11	04/28/2017		M			10,000	(3)	03/10/2020	Common Stock	10,000	$0	0	D
Option to Purchase Common Stock	$50.78	04/28/2017		M			11,690	(4)	03/10/2021	Common Stock	11,690	$0	0	D
Option to Purchase Common Stock	$62	05/01/2017		M			15,796	(5)	03/12/2022	Common Stock	15,796	$0	0	D

Explanation of Responses:

1. Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $125.50 to $126.03 per share.

2. Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $126.50 to $126.65 per share.

3. This option was granted pursuant to the 2007 Equity Incentive Plan, as amended (the "2007 Plan"), and is exercisable in 25% cumulative annual increments beginning March 10, 2011.

4. This option was granted pursuant to the 2007 Plan and is exercisable in 25% cumulative annual increments beginning March 10, 2012.

5. This option was granted pursuant to the 2007 Plan and is exercisable in 25% cumulative annual increments beginning March 12, 2013.

Remarks:

	/s/ Mneesha O. Nahata, as attorney-in-fact	05/02/2017
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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