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: Boynton John Wilson IV CIK: 0002096831 Role: Director --- Holdings --- [Holding #1] Security: Class A Shares Ownership: D (Direct) [Holding #2] Security: Class A Shares Ownership: D (Direct) [Holding #3] Security: Class A Shares Ownership: I (Indirect) Footnotes: [F1] Class A Shares held by trusts for the benefit of the reporting person's child, who is a member of his household. The reporting person is not a trustee of the trusts and disclaims beneficial ownership of such shares. --- Footnotes (Complete Index) --- F1: Class A Shares held by trusts for the benefit of the reporting person's child, who is a member of his household. The reporting person is not a trustee of the trusts and disclaims beneficial ownership of such shares. --- Signature --- /s/ /s/ John Boynton (2026-03-18)