UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Blackstone Mortgage Trust, Inc. (Exact name of registrant as specified in its charter) (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R.S. Employer FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 30, 2025 Not Applicable (Former Name or Address, if Changed Since Last Report) Check the appropriate box below if ...