X0508 4 2025-12-01 0 0001061630 BLACKSTONE MORTGAGE TRUST, INC. BXMT 0001587738 Marone Anthony F. JR C/O BLACKSTONE MORTGAGE TRUST 345 PARK AVENUE NEW YORK NY 10154 0 1 0 0 Chief Financial Officer 0 Class A Common Stock 2025-12-01 4 S 0 506 19.375 D 62064 D The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person prior to February 27, 2023 to satisfy certain tax withholding related obligations in connection with the vesting of previously granted restricted stock awards. /s/ Anthony F. Marone, Jr. 2025-12-02