American Tower executive sells 5,000 shares

American Tower Corp. executive Robert Joseph Meyer, SVP & Advisor to the CFO, reported a sale of 5,000 shares of Common Stock on 29 July 2026 at $178.89 per share in an open-market or private transaction.

Rhea-AI Filing Summary

American Tower Corp. executive Robert Joseph Meyer, SVP & Advisor to the CFO, reported a sale of 5,000 shares of Common Stock on 29 July 2026 at $178.89 per share in an open-market or private transaction. Following the sale, he directly holds 21,428 shares, which include 142 shares acquired through the company’s employee stock purchase plan in May 2026. The transaction was not reported as executed under a Rule 10b5‑1 trading plan.

Insider Trade Summary

Net Seller: 5,000 shares

Net Sell 1 txn

Insider Meyer Robert Joseph

Role SVP & Advisor to the CFO

Sold 5,000 shs ($894K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	5,000	$178.89	$894K

Holdings After Transaction: Common Stock — 21,428 shares (Direct)

Footnotes (1)

1. F1. Includes 142 shares acquired under the issuer's employee stock purchase plan in May 2026.

Key Figures

Shares sold: 5,000 shares Sale price per share: $178.89 Shares held after sale: 21,428 shares +1 more

4 metrics

Shares sold 5,000 shares Common Stock sale reported on 29 July 2026

Sale price per share $178.89 Price per share for 5,000 Common Stock shares sold

Shares held after sale 21,428 shares Direct Common Stock holdings following the transaction

ESPP shares included 142 shares Shares acquired under employee stock purchase plan in May 2026

Key Terms

employee stock purchase plan, open market or private transaction, direct ownership

3 terms

employee stock purchase plan financial

"Includes 142 shares acquired under the issuer's employee stock purchase plan in May 2026."

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

open market or private transaction financial

"transaction_code_description: Sale in open market or private transaction"

direct ownership financial

"ownership_type is classified as direct for the reported holdings"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What transaction did American Tower (AMT) executive Robert Joseph Meyer report?

Robert Joseph Meyer reported selling 5,000 shares of American Tower (AMT) Common Stock. The sale occurred on 29 July 2026 at a reported price of $178.89 per share in an open-market or private transaction.

How many American Tower (AMT) shares does Robert Joseph Meyer hold after this Form 4 sale?

After the reported sale, Robert Joseph Meyer directly holds 21,428 American Tower (AMT) shares. This total includes 142 shares acquired under the company’s employee stock purchase plan in May 2026.

At what price did the American Tower (AMT) insider shares sell on 29 July 2026?

The reported sale by the American Tower (AMT) insider was executed at $178.89 per share. The transaction involved 5,000 Common Stock shares in an open-market or private transaction, as reflected in the Form 4 data.

Was the American Tower (AMT) insider sale made under a Rule 10b5-1 trading plan?

The filing indicates the sale was not under a Rule 10b5-1 trading plan. The Rule 10b5-1 checkbox was left unchecked, so the transaction was not reported as executed pursuant to a pre-arranged trading plan.

What role does the reporting person hold at American Tower (AMT)?

The reporting person, Robert Joseph Meyer, serves as SVP & Advisor to the CFO at American Tower (AMT). His position classifies him as an officer, and his holdings and transactions are therefore reportable on Form 4.

How are employee stock purchase plan shares reflected in this American Tower (AMT) Form 4?

The Form 4 notes that 142 shares were acquired under American Tower’s employee stock purchase plan in May 2026. These shares are included in Meyer’s 21,428 total direct holdings after the reported sale.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/31/2026 - 04:09 PM Accepted by SEC EDGAR 07/31/2026 - 04:08 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Meyer Robert Joseph

(Last) (First) (Middle)

222 BERKELEY STREET

(Street)

BOSTON MASSACHUSETTS 02116

(City) (State) (Zip)

UNITED STATES

(Country)

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 & Advisor to the CFO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/29/2026

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

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

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

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	07/29/2026		S		5,000	D	$178.89	21,428(1)	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

Explanation of Responses:

1. Includes 142 shares acquired under the issuer's employee stock purchase plan in May 2026.

Remarks:

	/s/ Marina A. Breed, as attorney-in-fact	07/31/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)