It’s not clear to me how she’d be responsible for that and it’s also not clear to me what evidence they expected to turn up related to such an offense by raiding her home decades after the offense was alleged to have occurred.
But seriously - insider trading should be straight to jail for a politician, at any level or party.
Like coming here on a student visa, and working for startups, explicitly against the visa requirements.
While they're at it, they can look at Melania, who started working without a work visa, not to mention the granting of an O-1 visa to her in the first place (Eastern European model of zero prominence even in her home country, working for an agency that had ties to organized prostitution and sex trafficking).
These are all willful acts by an adult.