144 0001257647 XXXXXXXX LIVE 0001051627 AXT, INC. 000-24085 4281 Technology Drive Fremont CA 94538 510-385-6205 Gary Fischer Officer Common Merrill Lynch

4900 Hopyard Road Ste. 140 Pleasanton CA 94588

494265 18782070 46623170 03/02/2026 NYSE Common 10/20/2020 Stock Option Exercise AXT, INC. N 40328 10/20/2020 Stock Option Exercise Common 10/28/2025 Stock Option Exercise AXT, INC. N 10280 10/28/2025 Stock Option Exercise Common 11/05/2023 Restricted Stock Award AXT, INC N 9618 11/05/2023 Restricted Stock Award Common 11/05/2024 Restricted Stock Award AXT, INC N 9618 11/05/2024 Restricted Stock Award Common 02/18/2025 Restricted Stock Award AXT, INC N 19400 02/18/2025 Restricted Stock Award Common 11/10/2025 Restricted Stock Award AXT, INC N 19400 11/10/2025 Restricted Stock Award Common 02/18/2026 Restricted Stock Award AXT, INC N 18940 02/18/2026 Restricted Stock Award Common 11/05/2024 Restricted Stock Award AXT, INC N 6412 11/05/2024 Restricted Stock Award Common 02/19/2025 Restricted Stock Award AXT, INC N 2000 02/19/2025 Restricted Stock Award Common 11/10/2023 Restricted Stock Award AXT, INC N 4013 11/10/2023 Restricted Stock Award Common 11/05/2018 Stock Option Exercise AXT, INC. N 18318 11/05/2018 Stock Option Exercise Common 11/05/2018 Stock Option Exercise AXT, INC. N 37182 11/05/2018 Stock Option Exercise Common 10/27/2017 Stock Option Exercise AXT, INC N 10147 10/27/2017 Stock Option Exercise Common 10/27/2017 Stock Option Exercise AXT, INC N 24056 10/27/2017 Stock Option Exercise Common 11/10/2024 Restricted Stock Award AXT, INC. N 4012 11/10/2024 Restricted Stock Award Common 11/10/2025 Restricted Stock Award AXT, INC. N 4012 11/10/2025 Restricted Stock Award Common 11/10/2023 Restricted Stock Award AXT, INC. N 1500 11/10/2023 Restricted Stock Award Common 11/10/2024 Restricted Stock Award AXT, INC. N 1500 11/10/2024 Restricted Stock Award Common 11/10/2025 Restricted Stock Award AXT, INC. N 1500 11/10/2025 Restricted Stock Award Common 10/28/2023 Restricted Stock Award AXT, INC. N 9700 10/28/2023 Restricted Stock Award Common 10/28/2025 Restricted Stock Award AXT, INC. N 9700 10/28/2025 Restricted Stock Award Common 11/10/2024 Restricted Stock Award AXT, INC. N 9700 11/10/2024 Retricted Stock Award Common 11/10/2025 Restricted Stock Award AXT, INC. N 9700 11/10/2025 Restricted Stock Award Common 02/18/2026 Restricted Stock Award AXT, INC. N 13233 02/18/2026 Restricted Stock Award Common 08/20/2025 Restricted Stock Award AXT, INC. N 4412 08/20/2025 Restricted Stock Award Common 02/18/2026 Restricted Stock Award AXT, INC. N 9756 02/18/2026 Restricted Stock Award Common 10/29/2025 Restricted Stock Award AXT, INC. N 3253 10/29/2025 Restricted Stock Award Common 11/11/2025 Restricted Stock Award AXT, INC. N 9700 11/11/2025 Restricted Stock Award Common 02/18/2025 Restricted Stock Award AXT, INC. N 3688 02/18/2025 Restricted Stock Award Common 02/18/2025 Restricted Stock Award AXT, INC. N 11062 02/18/2025 Restricted Stock Award Common 11/06/2019 Stock Option Exercise AXT, INC. N 29880 11/06/2019 Stock Option Exercise Common 11/06/2019 Stock Option Exercise AXT, INC. N 62560 11/06/2019 Stock Option Exercise Common 10/28/2016 Stock Option Exercise AXT, INC. N 23385 10/28/2016 Stock Option Exercise Common 10/28/2016 Stock Option Exercise AXT, INC. N 42300 10/28/2016 Stock Option Exercise Y Be advised we are locking in the four-week average for week ending 2/27/26 for 42,600,000 shares. 03/02/2026 Gary Fischer