Nebius (NBIS) stock slips after insider sale notices hit SEC filings in thin year-end trade
NEW YORK, December 29, 2025, 19:45 ET — After-hours Nebius Group N.V. shares slid on Monday after SEC filings showed founder Arkady Volozh and two other insiders planned share sales around year-end. The stock was down 1.8% at $86.04 in late trade. SEC+2SEC+2 The notices matter now because NBIS has been a high-beta trade — a stock that tends to swing more than the market — and additional supply can weigh on prices when liquidity is thin in the final days of the year. The filings landed as U.S. stocks dipped broadly, with the Nasdaq ending down 0.5%. “We’re seeing