X0609 4 2026-06-02 0001513845 Nebius Group N.V. NBIS 0002091046 Alonso Sanchez Maria del Dado true SCHIPHOL BOULEVARD 165 SCHIPHOL P7 1118BG NETHERLANDS 1 CFO 0 Class A Shares 2026-06-02 4 S 0 1509 276.2002 D 12672 D The shares were sold upon the vesting of restricted share units solely to cover estimated withholding taxes, pursuant to automatic sale instructions included in the relevant Restricted Share Unit Agreement. The sale was not a discretionary trade by the Reporting Person. 1 Exhibit 24 - Power of Attorney of Attorney 2 Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. /s/ Anna Akimova, attorney-in-fact for Ms. Alonso Sanchez 2026-06-03