Nebius Group N.V. (NBIS) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-20 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: Nebius Group N.V. (NBIS) CIK: 0001513845 --- Reporting Owner --- Name: Tal Boaz CIK: 0002118018 Role: Officer (General Counsel) --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Shares Date: 2026-05-20 | Code: S (Open market sale) Shares: -2,600 | Price: $199.00 Total Value: $517,400.00 Shares Owned After: 83,254 | Ownership: D (Direct) Footnotes: [F1] The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 18, 2026. [Transaction #2] Security: Class A Shares Date: 2026-05-20 | Code: S (Open market sale) Shares: -2,000 | Price: $200.00 Total Value: $400,000.00 Shares Owned After: 81,254 | Ownership: D (Direct) Footnotes: [F1] The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 18, 2026. [Transaction #3] Security: Class A Shares Date: 2026-05-20 | Code: S (Open market sale) Shares: -500 | Price: $199.01 Total Value: $99,504.60 Shares Owned After: 80,754 | Ownership: D (Direct) Footnotes: [F1] The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 18, 2026. --- Footnotes (Complete Index) --- F1: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 18, 2026. --- Signature --- /s/ /s/ Anna Akimova, attorney-in fact for Mr. Tal (2026-05-22)