Sam Altman faced pointed questions about his financial ties to the Everett, Wash., fusion startup during testimony in the ...

Beyond the massive curtains of its Everett, Wash., R&D facility, Helion is betting that a downsized testbed can answer key ...

OpenAI CEO Sam Altman's investments in Helion Energy, Cerebras, and other companies were shown in trial on Tuesday.

OpenAI CEO Sam Altman's significant investments in companies doing business with his AI firm have come under scrutiny. Court ...

OpenAI cofounder and CEO Sam Altman testified he has $2 billion worth of personal stakes in companies that conduct business ...

Court filings have revealed that Sam Altman holds billions of dollars in companies linked to OpenAI partnerships, triggering ...

Sam Altman faces scrutiny over $2bn investments linked to OpenAI amid Elon Musk lawsuit and governance concerns ...

Newly surfaced trial documents detail how Sam Altman amassed a $4 billion fortune through strategic investments in companies ...

Sam Altman, OpenAI’s chief executive, is defending the company against Elon Musk’s allegations that the start-up betrayed its ...

Musk’s lawsuit accusing Altman and OpenAI of abandoning their mission as a non-profit has shed light on their workings at the ...