Nebius (NBIS) CRO Marc Boroditsky Sells 7,000 Shares

What Happened
Marc Boroditsky, Chief Revenue Officer of Nebius Group N.V. (NBIS), exercised/converted derivatives and sold a total of 7,000 shares in open-market transactions on September 14, 2026. The sales comprised 5,000 shares at $209.26 ($1,046,300) and 2,000 shares at $208.63 ($417,260), for aggregate proceeds of approximately $1,463,560. The Form 4 also reports the related exercise/conversion entries at a $0.00 per-share amount.

Key Details

• Transaction date: September 14, 2026 (Form filed Sept 16, 2026). Filing appears timely.
• Sales: 5,000 shares @ $209.26 (proceeds $1,046,300); 2,000 shares @ $208.63 (proceeds $417,260). Total proceeds ≈ $1,463,560.
• Derivative activity: Exercise/conversion entries for 5,000 and 2,000 shares reported at $0.00 per share (per Form 4). Footnote F2: options vested in quarterly installments beginning May 31, 2026.
• Plan/authorization: Footnote F1 states the sales were made under a Rule 10b5-1 trading plan adopted June 15, 2026.
• Shares owned after transaction: Not disclosed in the provided filing.
• Exemption note: As a foreign private issuer, Nebius and these transactions are exempt from Sections 16(b) and 16(c) under Rule 3a12-3(b) (per the filing remarks).

Context
The filing indicates Boroditsky exercised or converted derivative awards (reported at $0 on the Form 4) and sold the resulting shares the same day in the open market — effectively monetizing vested awards. The trades were executed under a pre-established 10b5-1 plan, which typically means the sales were pre-planned rather than opportunistic market timing. As always, sales are routine insider liquidity events and do not, by themselves, indicate the insider's view of the company's prospects.