AREAlexandria Real Estate Equities

On June 18, 2026 , Hallie E. Kuhn , our Executive Vice President – Capital Markets and Co-Lead – Life Science , terminated a Rule 10b5-1 trading arrangement that she had previously adopted in December 2025 for the sale from time to time of up to 2,574 shares of common stock. The trading arrangement was intended to satisfy the affirmative defense conditions of Securities Exchange Act Rule 10b5-1(c) and was scheduled to expire on October 16, 2026 . On June 25, 2026 , Hart Cole , our Co-President & Co-Regional Market Director – Seattle , terminated a Rule 10b5-1 trading arrangement that he had previously adopted in December 2025 for the sale from time to time of up to 20,000 shares of common stock. The trading arrangement was intended to satisfy the affirmative defense conditions of Securities Exchange Act Rule 10b5-1(c) and was scheduled to expire on January 29, 2027 .

On June 17, 2026 , Marc E. Binda , our Chief Financial Officer and Treasurer , terminated a Rule 10b5-1 trading arrangement that he had previously adopted in December 2025 for the sale from time to time of up to 23,368 shares of common stock. The trading arrangement was intended to satisfy the affirmative defense conditions of Securities Exchange Act Rule 10b5-1(c) and was scheduled to expire on December 1, 2026 .

On December 15, 2025 , Hallie E. Kuhn , our Executive Vice President – Capital Markets and Co-Lead – Life Science, entered into a Rule 10b5-1 trading arrangement providing for the sale, from time to time, of up to 2,574 shares of common stock through October 16, 2026 .

On December 15, 2025 , Marc E. Binda , our Chief Financial Officer and Treasurer , entered into a Rule 10b5-1 trading arrangement providing for the sale, from time to time, of up to 23,368 shares of common stock through December 1, 2026 .

On December 10, 2025 , Hart Cole , our Co-President and Co-Regional Market Director – Seattle , entered into a Rule 10b5-1 trading arrangement providing for the sale, from time to time, of up to 20,000 shares of common stock through January 29, 2027 .

On December 16, 2024 , Daniel J. Ryan , our Co-President and Regional Market Director – San Diego , entered into a Rule 10b5-1 trading arrangement providing for the sale, from time to time, of up to 30,000 shares of common stock. The arrangement will be effective through August 14, 2025 . Mr. Ryan’s trading plan was entered into during an open insider trading window and is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and our insider trading policy.

On December 12, 2024 , Marc E. Binda , our Chief Financial Officer and Treasurer , entered into a Rule 10b5-1 trading arrangement providing for the sale, from time to time, of up to 15,945 shares of common stock through December 12, 2025 . Mr. Binda’s trading plan was entered into during an open insider trading window and is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and our insider trading policy.