This went bad for him (and her) in all kinds of ways.
She reported his dealings to her bosses at BP, which later fired her despite having no evidence that she knowingly leaked information to her husband. She eventually moved out of the couple’s home and filed for divorce.
https://www.theguardian.com/business/2024/feb/23/us-man-accused-of-making-18m-from-insider-trading-wife-remote-calls-working-from-home
This went bad for him (and her) in all kinds of ways.