Trump-tied crypto firm ALT5 Sigma denies SEC probe rumors ALT5 Sigma has denied a report suggesting one of its executives was being investigated by the SEC for insider trading tied to the Trump family’s World Liberty Financial. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Altcoins - @ August 20, 2025 5:15 am