$AMT · American Tower Corporation

This filing is a Form 3 initial statement of beneficial ownership filed with the SEC for Kristen M. Ludgate. It reports that she became a director of American Tower Corporation on September 17, 2026. The form is required to disclose any securities she beneficially owns in the company upon taking that role.

According to the filing, Ms. Ludgate reported no non-derivative securities and no derivative securities beneficially owned. The remarks state directly that no securities are beneficially owned. The filing was signed on September 23, 2026, by an attorney-in-fact.