EUGENE F. REILLY - 22 Aug 2025 Form 3 Insider Report for AMERICAN TOWER CORP /MA/ (AMT)

Role
Director
Signature
/s/ Marina A. Breed, as attorney-in-fact
Issuer symbol
AMT
Transactions as of
22 Aug 2025
Net transactions value
$0
Form type
3
Filing time
29 Aug 2025, 16:22:25 UTC
Previous filing
19 Jan 2023
Next filing
23 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
REILLY EUGENE F Director 116 HUNTINGTON AVENUE, BOSTON /s/ Marina A. Breed, as attorney-in-fact 29 Aug 2025 0001266076

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding AMT Common Stock 135 22 Aug 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding AMT Call Option (Obligation to Sell) 22 Aug 2025 Common Stock 100 $220.00 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The Call Option was entered into prior to the reporting person's appointment to the issuer's board of directors.