Sam Altman's estranged younger sister, Ann Altman, filed suit against the OpenAI CEO on Monday, accusing him of childhood sexual abuse.Justin Sullivan/Getty ImagesSam Altman's estranged sister, Ann Altman, filed a lawsuit against the OpenAI CEO alleging childhood sexual abuse.She had previously accused her brothers of sexual, physical, and emotional abuse on social media.On Tuesday, the Altman family issued a statement denying the accusations.Sam Altman's estranged younger sister, Ann Altman, filed suit against the OpenAI CEO on Monday, accusing him of childhood sexual abuse.On Tuesday afternoon, Sam Altman posted a statement on social media, signed by his mother, Connie, and younger brothers, Max and Jack, denying the allegations.In Monday's complaint, Ann Altman alleges her older brother sexually assaulted her multiple times during the 1990s and 2000s, beginning when she was three years old, resulting in post-traumatic stress disorder and physical injuries."At all times relevant herein, Defendant, Sam Altman, groomed and manipulated Plaintiff, Ann Altman, into believing the aforementioned sexual acts were her idea, despite the fact she was under the age of five years old when the sexual abuse began and Defendant was nearly a teenager," the complaint reads.In addition to the physical and psychological impacts of the alleged abuse, the suit says Ann Altman has "suffered a loss of enjoyment of a normal life as a consequence of her emotional injuries."The complaint seeks unspecified damages in excess of $75,000 in addition to legal fees.In Sam Altman's post on Tuesday, he and the family write:"Our family loves Annie and is very concerned about her well-being.