X0508 4 2025-10-28 0001051627 AXT INC AXTI 0001078582 YOUNG MORRIS S 4281 TECHNOLOGY DR. FREMONT CA 94538 1 CEO 0 Common Stock 2025-10-28 4 A 0 100000 A 2549490 D Represents a grant of restricted stock under the Issuer's 2025 Equity Incentive Plan on October 28, 2025 (the "Grant Date"), in a transaction exempt under Rule 16b-3, in consideration for past services rendered by the Reporting Person. The grant is subject to the terms of a restricted stock agreement. /S/Jeff Sensiba, Attorney-in-Fact 2025-10-30