AMT Filing
144Filing Date: Jul 28, 2026
AMERICAN TOWER CORP /MA/ (AMT) · Proposed Sale (Form 144) SEC Filing
Insider Proposed Sale Notice
descriptionView SEC Filing
ACC: 0001950047-26-007366open_in_new
Sale Plan
RUTH T DOWLING
Officer·AMERICAN TOWER CORP /MA/ (AMT)
Proposed
CommonNYSE
Shares1.79K
Est. DateJul 28
Market Value$298.6K
BrokerMorgan Stanley Smith Barney LLC Executive Financial Services
AcquisitionRestricted Stock Units · Issuer
Acquired DateMar 10, 2023
Amount Acquired1.79K
10b5-1 Plan Adoption10/29/2025
% Outstanding0.0004%
10b5-1
Exercise / Payment Details
Paid: Mar 10, 2023Method: N/A
Sales Past 3 Months Total $73.9K · 416 sh. expand_more
Apr
29
$73.9K
416 sh.
Signature & Compliance expand_more
Notice DateJul 28, 2026
10b5-1 Plan Adoption10/29/2025
Signature /s/ Ruth T Dowling
Issuer Info expand_more
CompanyAMERICAN TOWER CORPORATION
CIK0001053507
SEC File No.001-14195
Phone6173757500
Address222 Berkeley Street, Boston, MA 02116