Ruth T. Dowling - 01 Oct 2025 Form 4 Insider Report for AMERICAN TOWER CORP /MA/ (AMT)

Role
EVP, Chief Admin Ofr, GC & Sec
Signature
/s/ Marina A. Breed, as attorney-in-fact
Issuer symbol
AMT
Transactions as of
01 Oct 2025
Transactions value $
-$10,633
Form type
4
Filing time
03 Oct 2025, 16:11:27 UTC
Previous filing
12 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec 116 HUNTINGTON AVENUE, BOSTON /s/ Marina A. Breed, as attorney-in-fact 03 Oct 2025 0001960785

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMT Common Stock Tax liability -$10,632 -55 -0.26% $193.32 21,262 01 Oct 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.
F2 Includes 35 shares acquired under the issuer's employee stock purchase plan in May 2025.