BX: Company disclosure

Item 7.01 Regulation FD Disclosure On September 22, 2026, Blackstone Inc. (“Blackstone”) posted on its website at www.blackstone.com/news a press release (the “Press Release”) announcing a preliminary estimate regarding revenue Blackstone expects to record related to realization activity for the period from July 1, 2026 to September 22, 2026. The Press Release is attached hereto as Exhibit 99.1 and incorporated by reference herein. The information in Item 7.01 of this Current Report on Form 8-K shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. Furthermore, such information shall not be incorporated by reference into any filing or other document pursuant to the Securities Act of 1933, as amended, or the Exchange Act except as shall be expressly set forth by specific reference in such filing or document. Item 9.01 Financial Statements and Exhibits. (d) Exhibits. Exhibit No. Description 99.1 Press release of Blackstone Inc. dated September 22, 2026. 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: September 22, 2026 Blackstone Inc. By: /s/ Victoria Portnoy Name: Victoria Portnoy Title: Managing Director - Assistant Secretary