US Top News and Analysis | OpenAI trial live updates: Musk takes the stand again after heated cross-examination AI generated summary, Read the full article for complete information. Elon Musk returned to the stand for a third time on Thursday as the OpenAI trial entered its fourth day, facing heated cross‑examination by OpenAI’s lawyer William Savitt. Musk reiterated that he lost trust in Sam Altman by late 2022, citing Microsoft’s $10 billion investment in 2023 as the tipping point that convinced him the company’s for‑profit arm had overtaken its original nonprofit mission, effectively “stealing the charity” he helped seed with $38 million. He argued that a small for‑profit subsidiary could support the nonprofit, but it should not become the “main event.” After Musk’s testimony, his attorneys are expected to call Jared Birchall, the manager of Musk’s family office, and possibly Greg Brockman and Stanford professor Stuart Russell as additional witnesses. The case is overseen by Judge Yvonne Gonzalez Rogers in federal court in Oakland, California. Read more: https://www.cnbc.com/2026/04/30/openai-trial-elon-musk-sam-altman-live-updates.html #ElonMusk #WilliamSavitt #SamAltman #OpenAI #Microsoft #GregBrockman #YvonneGonzalezRogers #JaredBirchall #StuartRussell