A federal judge has tossed a lawsuit brought by the sister of OpenAI CEO Sam Altman alleging he sexually abused her as a child.
Annie Altman’s allegations were brought too late for her lawsuit to survive, US District Judge Zachary Bluestone ruled Friday.
Bluestone, however, gave Annie Altman’s lawsuit a lifeline by allowing her to refile it using Missouri’s particular Childhood Sexual Abuse law, which offers an extended statute of limitations. He gave her until April 3 to file a new lawsuit.
In the same Friday order, the judge greenlit a countersuit from Sam Altman accusing Annie of defamation and of abusing the legal process.
Annie Altman filed her lawsuit in a federal court in Missouri in January 2025. She alleged that Sam Altman, who is nine years older than her, sexually abused her between 1997 and 2006, beginning when she was three years old, when they were growing up in Clayton, Missouri.
Sam Altman has denied the allegations. In a public statement following the filing of the lawsuit, he, his two younger brothers, and their mother said Annie Altman had “mental health issues.”
Sam Altman’s countersuit said that his sister made up the allegations of sexual abuse — posting them on social media as well as including them in her lawsuit — after their family declined her “demands for unrestricted financial support” in light of her mental health issues.
“One of the only points of agreement in this case is that the claims are disturbing — particularly so if they prove true but nonetheless unfortunate if not,” Bluestone wrote in his Friday ruling.
An attorney for Sam Altman declined to comment for this story. Attorneys for Annie Altman didn’t immediately respond to Business Insider’s requests for comment.
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