Nebius stock dips into New Year holiday as insider sale notice puts Jan. 2 in focus
Nebius Group shares closed down 1.7% at $83.71 in the final U.S. session of 2025. A Form 144 filing showed director Kira Radinsky plans to sell 500 Class A shares on Jan. 2. U.S. markets are closed for New Year’s Day and reopen Friday. The planned insider sale follows a year of increased investor attention after Nebius signed a multi-year AI infrastructure deal with Microsoft.