AMTAmerican Tower

Ruth T. Dowling, our Executive Vice President, Chief Administrative Officer, General Counsel and Secretary, entered into a pre-arranged stock trading plan on October 29, 2025. Ms. Dowling’s plan provides for the potential sale of up to 5,679 shares of our common stock between February 27, 2026 and November 2, 2026. This trading plan was entered into during an open insider trading window and is intended to satisfy the affirmative defense of Rule 10b5-1 under the Exchange Act and our policies regarding transactions in our securities. Generally, this trading plan pre-establishes the amounts, prices and dates of future purchases or sales of our stock, including shares issued upon the exercise or vesting of equity awards. Under this trading plan, the individual officer relinquishes control over the transactions once the trading plan is put into place. Accordingly, sales under this plan may occur at any time, including possibly before, simultaneously with, or immediately after, significant company events.

Rodney M. Smith, our Executive Vice President, Chief Financial Officer and Treasurer, entered into a pre-arranged stock trading plan on May 22, 2025. Mr. Smith’s plan provides for the potential exercise of vested stock options and the sale of up to 34,341 shares of our common stock, including such exercised options, between August 21, 2025 and February 20, 2026.

Steven O. Vondran, our President and Chief Executive Officer, entered into a pre-arranged stock trading plan on May 6, 2025. Mr. Vondran’s plan provides for the potential exercise of vested stock options and the associated sale of up to 33,482 shares of our common stock, including such exercised options, between August 5, 2025 and March 10, 2026.

Olivier Puech, our Executive Vice President and President, International, entered into a pre-arranged stock trading plan on April 30, 2025. Mr. Puech’s plan provides for the potential sale of up to 29,167 shares of our common stock, a number of shares of our common stock to be determined that will be purchased under the ESPP, and a number of shares of our common stock to be determined that may be earned in connection with the grant of the 2023 PSUs (as further discussed in note 9 to our consolidated and condensed consolidated financial statements included in this Quarterly Report) between August 1, 2025 and March 15, 2026.

Eugene M. Noel, our Executive Vice President and Chief Operating Officer, entered into a pre-arranged stock trading plan on February 26, 2025. Mr. Noel’s plan provides for the potential exercise of vested stock options and the associated sale of up to 41,209 shares of our common stock between May 28, 2025 and March 2, 2026. This trading plan was entered into during an open insider trading window and is intended to satisfy the affirmative defense of Rule 10b5-1 under the Exchange Act and our policies regarding transactions in our securities. Generally, this trading plan pre-establishes the amounts, prices and dates of future purchases or sales of our stock, including shares issued upon the exercise or vesting of equity awards. Under this trading plan, the individual officer relinquishes control over the transactions once the trading plan is put into place. Accordingly, sales under this plan may occur at any time, including possibly before, simultaneously with, or immediately after, significant Company events.

Rodney M. Smith, our Executive Vice President, Chief Financial Officer and Treasurer, entered into a pre-arranged stock trading plan on May 13, 2024. Mr. Smith’s plan provides for the potential exercise of vested stock options and the associated sale of up to 33,135 shares of our common stock between November 14, 2024 and February 21, 2025.

Eugene M. Noel, our Executive Vice President and President, U.S. Tower Division, entered into a pre-arranged stock trading plan on May 9, 2024. Mr. Noel’s plan provides for the potential exercise of vested stock options and the associated sale of up to 33,135 shares of our common stock between August 12, 2024 and March 10, 2025.

Olivier Puech, our Executive Vice President and President, Latin America and EMEA, entered into a pre-arranged stock trading plan on May 3, 2024. Mr. Puech’s plan provides for the sale of up to 38,982 shares of our common stock between August 2, 2024 and December 31, 2024.

Steven O. Vondran, our President and Chief Executive Officer, entered into a pre-arranged stock trading plan on March 6, 2024. Mr. Vondran’s plan provides for the potential exercise of vested stock options and the associated sale of up to 21,537 shares of our common stock between June 5, 2024 and March 10, 2025.

Rodney M. Smith, our Executive Vice President, Chief Financial Officer and Treasurer, entered into a pre-arranged stock trading plan on November 9, 2023. Mr. Smith’s plan provides for the potential exercise of vested stock options and associated sale of up to 23,019 shares of our common stock between March 1, 2024 and March 8, 2024.

Samme Thompson, one of our Directors, entered into a pre-arranged stock trading plan on October 27, 2023. Mr. Thompson’s plan provides for the potential exercise of vested stock options and associated sale of up to 5,054 shares of our common stock between February 26, 2024 and March 8, 2024.

Olivier Puech, our Executive Vice President and President, Latin America and EMEA, entered into a pre-arranged stock trading plan on May 19, 2023. Mr. Puech’s plan provides for the potential sale of up to 31,599 shares of our common stock, a number of shares of our common stock to be determined that will be purchased under the ESPP, and a number of shares of our common stock to be determined that may be earned in connection with the grant of the 2021 PSUs (as further discussed in note 9 to our consolidated and condensed consolidated financial statements included in this Quarterly Report) between August 17, 2023 and May 1, 2024.

Robert D. Hormats, one of our Directors, entered into a pre-arranged stock trading plan on April 27, 2023. Mr. Hormat’s plan provides for the potential sale of up to 550 shares of our common stock between August 1, 2023 and October 31, 2023.

Rodney M. Smith, our Executive Vice President, Chief Financial Officer and Treasurer, entered into a pre-arranged stock trading plan on April 27, 2023. Mr. Smith’s plan provides for the potential exercise of vested stock options and the sale of up to 16,251 shares of our common stock, including such exercised options, between August 3, 2023 and October 6, 2023.

Steven O. Vondran, our Executive Vice President and President, U.S. Tower Division, entered into a pre-arranged stock trading plan on April 27, 2023. Mr. Vondran’s plan provides for the potential exercise of vested stock options and the associated sale of up to 3,265 shares of our common stock between August 4, 2023 and March 8, 2024.