Nebius (NBIS)

=== 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: Boroditsky Marc CIK: 0001779922 Role: Officer (Chief Revenue Officer) --- Holdings --- [Holding #1] Security: Class A Shares Ownership: D (Direct) Footnotes: [F1] Represents restricted share units ("RSUs") granted on June 1, 2025 under the Company's Amended and Restated Equity Incentive Plan, as amended on August 15, 2024. The RSUs vest in quarterly installments beginning on September 1, 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: Stock Options Ownership: D (Direct) Footnotes: [F2] Options granted on June 1, 2025 under the Company's Amended and Restated Equity Incentive Plan, as amended on August 15, 2024. The options vest in quarterly installments beginning on May 31, 2025. --- Footnotes (Complete Index) --- F1: Represents restricted share units ("RSUs") granted on June 1, 2025 under the Company's Amended and Restated Equity Incentive Plan, as amended on August 15, 2024. The RSUs vest in quarterly installments beginning on September 1, 2025. Each RSU represents a right to receive one Class A Share of Nebius upon vesting. F2: Options granted on June 1, 2025 under the Company's Amended and Restated Equity Incentive Plan, as amended on August 15, 2024. The options vest in quarterly installments beginning on May 31, 2025. --- Signature --- /s/ /s/ Marc Boroditsky (2026-03-18)