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Sam Altman’s Sister Files Amended Childhood Abuse Lawsuit Under Missouri Law

The case turns on whether the filing meets Missouri’s childhood sexual abuse law.

Overview

  • The amended complaint, filed Wednesday in St. Louis federal court, invokes Missouri’s childhood sexual abuse statute after a March 20 ruling narrowed the original case.
  • Annie Altman alleges Sam Altman sexually abused and raped her at their Clayton, Missouri home between 1997 and 2006, saying it began when she was three and he was 12.
  • Judge Zachary Bluestone previously ruled standalone assault and battery claims expired in 2008, but the Missouri statute can allow older claims based on a limited window tied to age 21 or later discovery of injury.
  • Sam Altman has denied the allegations, filed a defamation counterclaim tied to his sister’s 2021–2024 social media posts, and said in court filings that his family has supported her financially.
  • The court must now decide if the amended pleading satisfies the Missouri statute before any merits phase or trial can begin.