Sam Altman’s Attorneys Claim Elon Musk’s Lawyer Made ‘Unsubstantiated Allegations’ During OpenAI Trial

BreakingBusinessSam Altman’s Attorneys Claim Elon Musk’s Lawyer Made ‘Unsubstantiated Allegations’ During OpenAI TrialByAlison Durkee,Forbes Staff. Alison is a senior news reporter covering US politics and legal news.Follow AuthorMay 13, 2026, 09:44am EDT--:-- / --:--This voice experience is generated by AI. Learn more.This voice experience is generated by AI. Learn more.ToplineOpenAI CEO Sam Altman’s attorneys asked for the jury in his trial against Elon Musk to disregard part of his testimony Tuesday, after Musk’s lawyer made “unsubstantiated allegations” suggesting the Senate was investigating Altman, with Altman’s lawyers accusing Musk’s attorney of unfairly prejudicing the jury against the OpenAI chief.OpenAI CEO Sam Altman arrives to court on May 12 in Oakland, California. Getty ImagesKey FactsAltman’s attorneys filed a court brief after the OpenAI CEO testified Tuesday at the trial, in which Musk claims Altman and other OpenAI cofounders deceived him by getting him to invest in OpenAI as a nonprofit and then changing its model to be a for-profit venture.Altman’s attorneys accused Musk’s lawyer Steven Molo of using his cross-examination of Altman “as a vehicle to present the jury with a parade of unsubstantiated allegations” against the OpenAI chief and making “a litany of unproven and untestable hearsay allegations.”Molo, during his questioning, mistakenly suggested Altman was being investigated by the Senate, after it was instead House lawmakers who sent a letter to the OpenAI CEO last week asking for details about his personal investments.Molo also falsely suggested that congressional investigation was over testimony Altman gave to Congress in 2023 saying he doesn’t receive any equity from OpenAI, after Altman testified Tuesday he doesn’t receive any direct equity from OpenAI, but has an indirect investment in the company through a different fund.The court brief also took issue with Molo asking Altman questions regarding an unflattering article about Altman...