OpenAI CEO Sam Altman is stepping down as chairman of nuclear startup Oklo. The move gives Oklo, which is developing advanced nuclear reactors, more flexibility to potentially explore partnerships with OpenAI or other hyperscalers,

Oklo said Tuesday that OpenAI CEO Sam Altman was stepping down as chairman of its board and indicated a partnership with the artificial-intelligence company could be on the horizon. Altman, who has served as chairman since 2015,

Shares of Santa Clara, California-based Oklo, Inc. (OKLO) fell in Tuesday's after-hours session after the company announced that OpenAI co-founder Sam Altman will step down as chairman of its board. Altman has functioned as the company's chair since 2015.