BX: Other company developments

Item 8.01 Other Events. On October 27, 2026, Blackstone Inc. (“Blackstone”) issued a press release announcing the intention of Blackstone Reg Finance Co. L.L.C. (the “Issuer”), an indirect subsidiary of Blackstone, to offer senior notes guaranteed by Blackstone and its indirect subsidiaries, Blackstone Holdings I L.P., Blackstone Holdings AI L.P., Blackstone Holdings II L.P., Blackstone Holdings III L.P. and Blackstone Holdings IV L.P. in an underwritten public offering pursuant to an automatically effective shelf registration statement filed with the Securities and Exchange Commission on December 2, 2024, as amended on February 27, 2026. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated herein by reference. Item 9.01 Financial Statements and Exhibits. (d) Exhibits. Exhibit No. Description Exhibit 99.1 Press release of Blackstone, dated October 27, 2026, relating to the senior notes offering. Exhibit 104 The cover page from this Current Report on Form 8-K, formatted in Inline XBRL. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: October 27, 2026 Blackstone Inc. By: /s/ Victoria Portnoy Name: Victoria Portnoy Title: Managing Director – Assistant Secretary .