Boroditsky Marc 4

What Happened
Marc Boroditsky, Chief Revenue Officer of Nebius Group N.V. (NBIS), sold 4,500 shares on May 15, 2026 at $217.55 per share, for total proceeds of $978,975. The Form 4 lists the transaction as a sale (open market or private sale).

Key Details

• Transaction date and price: May 15, 2026 — 4,500 shares sold at $217.55 each.
• Total value: $978,975.
• Shares owned after transaction: Not disclosed on this Form 4.
• Footnote: The sale was made under a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025.
• Filing timeliness: Form 4 was filed May 19, 2026; this is within the standard two-business-day reporting window (timely).
• Regulatory note: Because Nebius is a foreign private issuer under Rule 3a12-3(b), these transactions are exempt from Sections 16(b) and 16(c).

Context
This was a sale executed under a pre-established 10b5-1 plan, which typically indicates a planned, rule-compliant disposition rather than an ad-hoc trade. For retail investors, purchases generally carry clearer signals about insider sentiment; sales — especially those under 10b5-1 plans — are often routine and can be driven by pre-set plans or personal liquidity needs rather than a change in view on the company.