American Tower SVP has 153 shares withheld for taxes

American Tower executive Robert Joseph Meyer, SVP & Advisor to the CFO, reported a routine tax-related share disposition.

Rhea-AI Filing Summary

American Tower executive Robert Joseph Meyer, SVP & Advisor to the CFO, reported a routine tax-related share disposition. On June 1, 2026, 153 shares of Common Stock were delivered to the company at $187.53 per share to cover withholding taxes on vesting restricted stock units under the 2007 Equity Incentive Plan. After this non‑market transaction, he directly holds 26,286 shares of American Tower common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 153 shares

Exercise Price or Tax Liability 1 txn

Insider Meyer Robert Joseph

Role SVP & Advisor to the CFO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	153	$187.53	$29K

Holdings After Transaction: Common Stock — 26,286 shares (Direct)

Footnotes (1)

1. F1. Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of restricted stock units previously granted under the 2007 Equity Incentive Plan, as amended.

Key Figures

Shares delivered for taxes: 153 shares Price per share: $187.53 per share Post-transaction holdings: 26,286 shares +1 more

4 metrics

Shares delivered for taxes 153 shares Common Stock delivered for withholding taxes on RSU vesting on June 1, 2026

Price per share $187.53 per share Value used for the 153-share tax-withholding disposition

Post-transaction holdings 26,286 shares American Tower common shares held directly by Robert Meyer after the transaction

Tax-withholding shares 153 shares Total tax withholding shares in transactionSummary

Key Terms

restricted stock units, withholding taxes, 2007 Equity Incentive Plan, tax-withholding disposition

4 terms

restricted stock units financial

"in connection with the vesting of restricted stock units previously granted under the 2007 Equity Incentive Plan"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

withholding taxes financial

"Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting"

Withholding taxes are amounts a payer or government takes out of payments — such as wages, interest, or dividends — before the recipient gets the money, functioning like a cashier keeping part of a bill to pay taxes on your behalf. For investors this matters because it reduces the cash they actually receive, affects net returns and yield calculations, and may require additional paperwork or treaty claims to recover or offset the withheld amount against final tax bills.

2007 Equity Incentive Plan financial

"previously granted under the 2007 Equity Incentive Plan, as amended"

tax-withholding disposition financial

"transaction_action: tax-withholding disposition for 153.0000 shares"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

FAQ

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

What insider transaction did AMT executive Robert Joseph Meyer report?

Robert Joseph Meyer reported a tax-related share disposition of 153 American Tower shares. These shares were delivered to the company to pay withholding taxes when his restricted stock units vested under the 2007 Equity Incentive Plan.

Was the AMT insider transaction by Robert Meyer an open-market sale?

No, the transaction was not an open-market sale. The 153 shares were delivered back to American Tower to cover withholding taxes on vested restricted stock units, a common administrative step rather than a discretionary sale in the open market.

How many AMT shares were used to cover Robert Meyer’s tax withholding?

A total of 153 shares of American Tower common stock were used to cover tax withholding. They were valued at $187.53 per share and were delivered to the company in connection with the vesting of restricted stock units.

How many AMT shares does Robert Meyer hold after this Form 4 transaction?

After this tax-withholding transaction, Robert Joseph Meyer directly holds 26,286 shares of American Tower common stock. This figure reflects his position following the 153-share delivery to the company for RSU-related withholding taxes.

What plan were Robert Meyer’s vested AMT restricted stock units granted under?

The vested restricted stock units were granted under American Tower’s 2007 Equity Incentive Plan, as amended. Shares were delivered to the company from Robert Meyer’s holdings to satisfy withholding taxes triggered by the vesting of those RSUs.

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

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Accepted by SEC EDGAR 06/03/2026 - 04:17 PM EDT 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)
06/01/2026

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	06/01/2026		F(1)		153	D	$187.53	26,286	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. Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of restricted stock units previously granted under the 2007 Equity Incentive Plan, as amended.

Remarks:

	/s/ Marina A. Breed, as attorney-in-fact	06/03/2026
	** 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)