OpenAI is discussing giving CEO Sam Altman a 7 percent stake in the company and restructuring it into a for-profit enterprise, according to people familiar with the matter, a major shift that would mark Altman's first ownership of the artificial intelligence start-up. The company is considering becoming a nonprofit company that helps society while making a profit, the people said. People familiar with the matter also said that the transformation is still under discussion and the timeline has not...