Elon Musk Trial Could Derail OpenAI's Massive IPO Plans

The fate of OpenAI's anticipated trillion-dollar initial public offering may hinge on the outcome of a high-stakes legal battle unfolding in an Oakland jury room. According to CNBC, Elon Musk's lawsuit against OpenAI CEO Sam Altman and president Greg Brockman alleges they reneged on a vow to keep the AI lab a nonprofit in perpetuity. The trial, described by the SF Standard as "the AI trial of the century," commenced with jury selection on April 27, 2026, at the Ronald V. Dellums Federal Building.

Core Allegations and High-Stakes Claims

Musk's $134 billion lawsuit centers on OpenAI's 2019 pivot from a nonprofit to a for-profit entity backed by a $1 billion Microsoft investment. As reported by NPR, Musk testified that he was "a fool" for investing in OpenAI and accused its leaders of "looting the nonprofit." His attorney framed the case succinctly during opening statements, with Musk stating, "It's not ok to steal a charity." The SF Examiner notes that OpenAI is now valued at a staggering $852 billion and is expected to go public this year in what could be the biggest IPO ever, a prospect now under direct legal threat.

The civil lawsuit, as detailed by KTVU, accuses Altman and Brockman of double-crossing Musk by straying from the company's founding mission to be an altruistic steward of AI technology. Musk, who left OpenAI's board in 2018, is seeking the ouster of Altman and Brockman and the rollback of the for-profit structure—a move that would radically alter the company's trajectory and potentially invalidate its IPO plans.

Market Implications and IPO Shadow

The trial's outcome carries profound implications beyond the courtroom. The SF Examiner reports that the expected mega-IPOs of SpaceX, OpenAI, and Anthropic later this year could paradoxically hamper other companies waiting to go public. Their massive valuations and the capital they are likely to raise could "suck all the oxygen out of the room" for other candidates. Furthermore, should their stocks perform poorly post-offering, it could dissuade other companies from heading to Wall Street.

Musk's own commercial interests are deeply intertwined with the proceedings. CNBC reports that Musk is simultaneously preparing to take SpaceX public in a likely record IPO, and recently merged his AI venture, xAI, with SpaceX in a deal valuing the combined entity at $1.25 trillion. This creates a complex backdrop where one of the world's richest men is litigating against a former ally while managing his own blockbuster public market ambitions.

According to the SF Standard, the jury's decision will prompt a reexamination of OpenAI's 2019 restructuring and fundamentally answer which structure—and which individuals—are best equipped to shepherd a company building super-intelligent technology with global implications. The trial is not merely a contractual dispute but a philosophical debate over the governance of transformative AI.

As testimony continues in Oakland, the financial world watches closely. A verdict favoring Musk could force OpenAI to dismantle its for-profit subsidiary, scuttling its IPO and redistributing control of its technology. A verdict for OpenAI would cement its current path and clear the final legal hurdle before its historic market debut. The Elon Musk trial, therefore, stands as the ultimate gatekeeper for OpenAI's commercial ambitions.