Sam Altman's sister, Ann, has filed a federal lawsuit accusing him of sexually abusing her from 1997 to 2006, starting when she was three years old. Sam Altman and his family have labeled the allegations as “utterly untrue,” attributing them to Ann's mental health challenges. The family expressed pain over the situation, stating they have tried to support her. Sam Altman is currently valued at $1.1 billion, primarily from investments in various companies.