Oklo (OKLO) Stock After Hours on Dec. 24, 2025: Insider Selling, Nuclear Catalysts, and What to Know Before the Next Market Open
Oklo Inc. (NYSE: OKLO) finished Christmas Eve trading with a modest pullback, then stayed relatively steady in late trading as investors digested fresh insider-selling disclosures and weighed the company’s longer-term nuclear milestones against near-term dilution and execution risks. The big calendar note first: U.S. markets are closed Thursday, Dec. 25, 2025 (Christmas Day), so there is no regular “tomorrow” opening bell. Today’s session was also holiday-shortened, with NYSE closing early at 1:00 p.m. ET and late trading sessions ending at 5:00 p.m. ET. New York Stock Exchange+2Nasdaq+2 OKLO stock price after the bell today (Dec. 24, 2025) In the regular