OpenAI CEO Sam Altman arrives at the federal courthouse, as the trial in Elon Musk's lawsuit over OpenAI's for-profit conversion continues, in Oakland, California, U.S., May 14, 2026. Manuel Orbegozo | Reuters The first phase of the Musk v. Altman trial concluded proceedings in federal court in Oakland, California, on Thursday after attorneys for Elon Musk and OpenAI presented their closing arguments to the jury. The nine-person jury , which is made up of six women and three men, will begin deliberating on Monday. The jury’s verdict will be advisory, which means Judge Yvonne Gonzalez Rogers will make the final decision on liability. “You must decide the case solely on the evidence before you,” Gonzalez Rogers told the jury Thursday morning, in reading out the formal instructions.…