Nebius (NBIS) 3: Volozh Arkadiy transacted N/A shares of Class A Shares at $… (Mar 18, 2026)

=== SEC Form 3 — Statement of Changes in Beneficial Ownership === Document Type: 3 Period of Report: 2026-03-18 --- Issuer --- Name: Nebius Group N.V. (NBIS) CIK: 0001513845 --- Reporting Owner --- Name: Volozh Arkadiy CIK: 0002060780 Role: Director, Officer (CEO), 10%+ Owner --- Holdings --- [Holding #1] Security: Class A Shares Ownership: D (Direct) Footnotes: [F1] Represents restricted share units ("RSUs") granted on October 1, 2024 under the Company's Amended and Restated Equity Incentive Plan, as amended on August 15, 2024. The RSUs vest in quarterly installments beginning on January 2, 2025. Each RSU represents a right to receive one Class A Share of Nebius upon vesting. [Holding #2] Security: Class A Shares Ownership: D (Direct) [Holding #3] Security: Class B Shares Ownership: I (Indirect) Footnotes: [F2] Class B Shares held by Highvern Cayman Limited, as Trustee of the LASTAR Trust, the beneficiaries of which include Mr. Volozh or members of his family. --- Footnotes (Complete Index) --- F1: Represents restricted share units ("RSUs") granted on October 1, 2024 under the Company's Amended and Restated Equity Incentive Plan, as amended on August 15, 2024. The RSUs vest in quarterly installments beginning on January 2, 2025. Each RSU represents a right to receive one Class A Share of Nebius upon vesting. F2: Class B Shares held by Highvern Cayman Limited, as Trustee of the LASTAR Trust, the beneficiaries of which include Mr. Volozh or members of his family. --- Signature --- /s/ /s/ Arkady Volozh (2026-03-18)