A Form 4 filing on October 14, 2026, revealed Nebius Group Chief Revenue Officer Marc Boroditsky sold 7,000 shares on October 12. The sale totaled approximately $1.48 million. This transaction occurred under a pre-arranged Rule 10b5-1 trading plan. It reduced Mr. Boroditsky's holdings by 50%.

Nebius Group stock declined over 5% in premarket trading on October 14. Reports attribute the drop to broader negative market sentiment. Technical selling pressure on growth and AI-related stocks also contributed.

Separately, Sax Wealth Advisors LLC acquired 17,752 shares of Nebius during the third quarter.